Preventing Osteoporosis and Building Stronger Bones

Osteoporosis is a disease in which bone density and quality of bone are reduced.  The loss of bone occurs silently and progressively.  Often there are no symptoms until the first fracture occurs.  Genetic factors play a significant roll in determining whether an individual is at heightened risk of osteoporosis.  The…
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Gerrish, Greg MD

Dr. Greg Gerrish is a board certified General Surgeon who diagnoses and treats health conditions. Patients can see Dr. Gerrish directly at the Prairie Lakes Specialty Clinic with or without a referral from another physician. Conditions treated by Dr. Gerrish include, but are not limited to, acid reflux, thyroid disease, stomach ulcers, rectal/anal disorders, gall bladder disorders, hernias, and breast disease. Dr. Gerrish also offers screenings like colonoscopies.

If surgical treatment is the best option for a patient, Dr. Gerrish performs procedures at Prairie Lakes Hospital, Prairie Lakes Mallard Pointe Surgical Center, and multiple outreach locations. 

Special Interests:

  • Minimally invasive surgery
  • Surgery of the colon and rectum
  • Hernia
  • Wound Management
  • Trauma
  • Acid Reflux
  • Colonoscopy/Upper endoscopy

Resources: General Surgery Procedures  See us for lumps, bumps & belly pain  Acid Reflux Center

Additional Info

  • Press Ganey ID 1992097703
  • Rating 4.8
  • Total Rating Count 146
  • First Name Greg
  • Last Name Gerrish
  • Professional Degree MD, FACS
  • Service Specialty Care
  • Specialty General Surgery
  • Location Prairie Lakes Healthcare System
  • Office Address

    Prairie Lakes Specialty Clinic
    401 9th Ave NW
    Watertown, SD 57201
  • Call for Appointment 605-882-7777
  • Board Certification(s)

    General Surgery
  • Additional Certification(s)

    Fellow of the American College of Surgeons
  • Outreach Locations

    Ortonville Area Health Services

    Avera Milbank Medical Center (Milbank, SD)
  • Education Education
  • Medical School

    University of South Dakota Sanford School of Medicine
  • Residency

    Hennepin County Medical Center in Minneapolis, Minnesota
  • Total Comments 19
  • Comments [ { "id": 1615154104, "surveyKey": "8473700941", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2025-02-03T05:00:00Z", "wordCount": 11, "comment": "Dr Gerrish and the entire staff was very informative and helpful.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1595887662, "surveyKey": "8349700707", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2025-01-16T05:00:00Z", "wordCount": 10, "comment": "Was absolutely a great experience and would definitely recommend him", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1576479581, "surveyKey": "8248596673", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-12-28T05:00:00Z", "wordCount": 2, "comment": "All good", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1558413117, "surveyKey": "7877736235", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-11-27T05:00:00Z", "wordCount": 2, "comment": "Great experience", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1542309400, "surveyKey": "7877739745", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-10-31T05:00:00Z", "wordCount": 5, "comment": "Calmed my fears and concerns", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1542309373, "surveyKey": "7782850769", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-10-23T05:00:00Z", "wordCount": 4, "comment": "Had very good service.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 4.8 } }, { "id": 1504543005, "surveyKey": "7433105241", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-08-19T05:00:00Z", "wordCount": 5, "comment": "Explanation given for further referral", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450683867, "surveyKey": "7008436206", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-06-13T05:00:00Z", "wordCount": 15, "comment": "Right on time with scheduled surgery. Dr Gerrish answered all questions I asked of him.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450684004, "surveyKey": "6893567631", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-05-21T05:00:00Z", "wordCount": 1, "comment": "Good", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450683967, "surveyKey": "6893573642", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-05-17T05:00:00Z", "wordCount": 16, "comment": "All physicians and staff listened to my concerns and advanced me to other staff if needed.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450684044, "surveyKey": "6688701639", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-04-12T05:00:00Z", "wordCount": 14, "comment": "I had diagnoses from another Dr. And he didn't think too much of that.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 3.8 } }, { "id": 1450684187, "surveyKey": "6362766380", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-02-11T05:00:00Z", "wordCount": 34, "comment": "He was very rude and short. Once he figured out that I was an addict he didn't seem to care. They almost treated me like less of a person and more of an inconvenience.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 1.6 } }, { "id": 1450684251, "surveyKey": "6059003787", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-12-14T05:00:00Z", "wordCount": 12, "comment": "Dr. Gerrish put me at ease and listened to all my concerns.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450684238, "surveyKey": "5861121191", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-11-27T05:00:00Z", "wordCount": 7, "comment": "Dr. Gerrish is very caring and compassionate", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450684226, "surveyKey": "5822029518", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-10-31T05:00:00Z", "wordCount": 35, "comment": "Both nurse and doctor were very attentive in not just hearing, but listening as to my reasoning for being there and I feel they follow through with any and all procedures to assess my situation.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450684266, "surveyKey": "5697133662", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-10-05T05:00:00Z", "wordCount": 2, "comment": "Super doctor.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450684293, "surveyKey": "5597426050", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-09-15T05:00:00Z", "wordCount": 2, "comment": "Very good.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450684288, "surveyKey": "5534064051", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-09-03T05:00:00Z", "wordCount": 79, "comment": "Dr. Gerrish did a great job of listening and putting together information that best laid out a plan for my husband and me individually. I feel he is being thorough and plans to get to the bottom of the symptoms I am having. I feel listened to and what I said matters and he wants to give me answers. He made me feel comfortable, easy to understand and came off as confident on the next steps to be taken.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450684289, "surveyKey": "5473351431", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-08-17T05:00:00Z", "wordCount": 3, "comment": "Always excellent care!", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } } ]
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Schaeffer, Jacob MD

Dr. Jacob Schaeffer General Surgeon, diagnoses and treats common conditions; such as, gall bladder disorders, hernias, breast diseases, thyroid disease, colon cancer screening and treatment, and gastroesophageal reflux. No referral is required.

Resources:  General Surgery Procedures See us for lumps, bumps & belly pain Prairie Lakes Acid Reflux Center

Additional Info

  • Press Ganey ID 1790077022
  • Rating 4.8
  • Total Rating Count 159
  • First Name Jacob
  • Last Name Schaeffer
  • Professional Degree MD, FACS
  • Service Specialty Care
  • Specialty General Surgery
  • Location Prairie Lakes Healthcare System
  • Office Address

    Prairie Lakes Specialty Clinic
    401 9th Ave NW
    Watertown, SD 57201
  • Call for Appointment 605-882-7777
  • Board Certification(s)

    General Surgery
  • Additional Certification(s)

    Fellow of the American College of Surgeons
  • Outreach Locations

    Ortonville Area Health Services

    Avera Milbank Medical Center (Milbank, SD)
  • Education Education
  • Medical School

    University of South Dakota Sanford School of Medicine
  • Residency

    Gunderson Health System in La Crosse, WI
  • Total Comments 19
  • Comments [ { "id": 1615154130, "surveyKey": "8473697982", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2025-02-03T05:00:00Z", "wordCount": 23, "comment": "Doctor was very good at explaining what he was doing during the whole procedure and made sure I was comfortable the whole time", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1595887673, "surveyKey": "8349699865", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2025-01-21T05:00:00Z", "wordCount": 13, "comment": "Dr Schaeffer was very calming about the procedure. Took genuine interest and care.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1542309427, "surveyKey": "7720006621", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-10-07T05:00:00Z", "wordCount": 15, "comment": "Very impressed with Dr. Schaeffer - both in his skill and how he treated me.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1523852573, "surveyKey": "7572126663", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-09-13T05:00:00Z", "wordCount": 6, "comment": "Friendly, open, honest approach. Good'eye contact.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 4.8 } }, { "id": 1523852562, "surveyKey": "7572125845", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-09-11T05:00:00Z", "wordCount": 1, "comment": "Good", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 4 } }, { "id": 1504543013, "surveyKey": "7433100167", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-08-21T05:00:00Z", "wordCount": 20, "comment": "Dr. Schaeffer always listens to me. It takes the time to explain things. It seems genuinely caring about my issues", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1504542991, "surveyKey": "7433098452", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-08-19T05:00:00Z", "wordCount": 23, "comment": "Doctor was very knowledgeable, asked questions\/was interested. Suggested causes and recommended what should be done to find cause. Easy to understand language!", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450683929, "surveyKey": "6921603558", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-05-25T05:00:00Z", "wordCount": 4, "comment": "I was very impressed", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450683993, "surveyKey": "6893564468", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-05-20T05:00:00Z", "wordCount": 31, "comment": "Dr. Schaeffer was outstanding in the way he communicated with my daughter! He was kind, did not rush, asked questions and encouraged answers and treated us both with kindness and respect!", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1504542874, "surveyKey": "6655084069", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-04-05T05:00:00Z", "wordCount": 35, "comment": "What I like best is just how much they go out of there way to make me feel comfortable that more than anything tells me that they are going to care what I tell them", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1504542858, "surveyKey": "6496767097", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-03-05T05:00:00Z", "wordCount": 2, "comment": "No concerns", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450684139, "surveyKey": "6469589360", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-03-02T05:00:00Z", "wordCount": 10, "comment": "The doctor was very professional and explained issues and treatment.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1450684147, "surveyKey": "6469589277", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-02-29T05:00:00Z", "wordCount": 12, "comment": "My doctor explained to me the procedure he was going to do.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 4.8 } }, { "id": 1504542729, "surveyKey": "6179090696", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2024-01-05T05:00:00Z", "wordCount": 1, "comment": "Good!!!", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1504542713, "surveyKey": "6104006854", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-12-25T05:00:00Z", "wordCount": 14, "comment": "Provider was attentive on my concerns, ask me questions, and gave options and options", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 4 } }, { "id": 1504542673, "surveyKey": "6064423717", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-12-17T05:00:00Z", "wordCount": 29, "comment": "Just some post-op pains that I was concerned about. Dr Schaeffer took me seriously. Checked me out and alleviated my concerns. Made himself available for future visits if needed.", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1504542657, "surveyKey": "5904039366", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-11-16T05:00:00Z", "wordCount": 7, "comment": "Dr and nurse were friendly and personable", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1504542601, "surveyKey": "5739386080", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-10-14T05:00:00Z", "wordCount": 1, "comment": "Good", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } }, { "id": 1504542543, "surveyKey": "5621165275", "source": "Prairie Lakes Healthcare MD Survey", "mentionTime": "2023-09-20T05:00:00Z", "wordCount": 1, "comment": "Good!", "ratings": [], "overallRating": { "name": "Overall Satisfaction", "value": 5 } } ]
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Annual Run Raises Funds for the Caring Club House

On June 11, 2016 Prairie Lakes Healthcare System held the 20th Annual Hospital Hill Run. Over 170 runners and walkers participated to raise money for the Prairie Lakes Caring Club House. Two thousand dollars was generously donated to the Caring Club House, located in Watertown, SD. Shown presenting the check…
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Welcome Two General Surgeons to PLHS

Prairie Lakes Healthcare System welcomes General Surgeons Greg Gerrish, MD and Jacob Schaeffer, MD. They join Kendra Kamlitz, MD and staff at Prairie Lakes General Surgery Clinic. Dr. Greg Gerrish received his medical degree from the University of South Dakota Sanford School of Medicine. He completed a residency in General…
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Lou Holtz, Football Coach and Analyst, Coming to Watertown

2016 Feuerstein Series to Feature Legendary Football Coach and Analyst Lou Holtz  The Lake Area Technical Institute Foundation and the Prairie Lakes Healthcare Foundation are excited to jointly host the 2016 Feuerstein Series event featuring legendary football coach and analyst, ESPN (2004-2015) Lou Holtz. The event will take place on…
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Is your child's backpack too heavy?

It’s back to school time once again. As schedules and routines become established we may find our children's backpacks becoming more and more heavy.   The weight of their backpacks could be a cause for concern as injuries may result.  Carrying backpacks, especially overloaded ones, can cause chronic back pain which…
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Watertown Rec Center's New Facility Receives Name from PLHS

The City of Watertown announced the Watertown Community Center has been renamed after entering into a naming rights agreement with Prairie Lakes Healthcare System. The Watertown Community Center will officially be called the Prairie Lakes Wellness Center. “The biggest influence on the health of our community now and into the…
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PLHS Welcomes Physical Therapist, Karen Skogstad

Prairie Lakes Healthcare System welcomes Physical Therapist, Karen Skogstad to Prairie Lakes Rehabilitation Services. Skogstad serves patients of all ages needing physical therapy in their homes. Karen Skogstad has twenty four years experience as a physical therapist. She has extensive experience in treating all ages with a variety of conditions;…
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Car Seat Safety Reminders

Car Seat Checkup   Motor vehicle crashes claim the lives of more than 12 children each week.  To best protect your child, choose a safety seat that fits your vehicle, fits your child, and that you will use correctly every time. Right Seat:  This is an easy one. Check the label…
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