Catherine C. Gerrish, MD
Internal Medicine Physician · Watertown, SD
Catherine C. Gerrish, MD is an internal medicine physician with a practice address in Watertown, South Dakota, and NPI 1770541807, issued on May 1, 2006. Check the license (South Dakota 1394, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Catherine C. Gerrish
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 1394 SD
Self-reported in NPPES; status is on the state search - Practice location
- 506 1St Ave SE, Watertown, SD 57201
- Phone
- (605) 886-8482
- Enumerated
- May 1, 2006
- Record last updated
- Sep 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (605) 884-4300
- Medicaid ID
- 6001123 SD
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 247 in South Dakota → Look up another NPI →
Also registered at 506 1St Ave SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adrienne Bak, NPFamily Nurse Practitioner1316739550
- Heidi Barber, CNPNurse Practitioner1831709369
- Lindsey Barthel, NP-CFamily Nurse Practitioner1689957565
- Kristina Boetel, CNPNurse Practitioner1184192650
- David Carlson, MDFamily Medicine Physician1114985132
- Bailley Danforth, PA-CPhysician Assistant1184348807
Verify Catherine C. Gerrish in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 1394Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Catherine C. Gerrish among 247 internal medicine physician records in South Dakota
Catherine C. Gerrish, MD is one of 247 internal medicine physician records with a practice address in South Dakota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 52% newer
- In a Medicare fileNo · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 internal medicine physician records list a practice address in Watertown
They are 9 of the 543 NPPES records with a practice address in Watertown, and 247 internal medicine physician records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 247 in South Dakota → Every provider in Watertown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ghaith Aboud, M.DWatertown, SD 572011497117618
- Edward Dickes, M.D.Watertown, SD 572011932411733
- Hollis Nipe, MDWatertown, SD 572011821056896
- Kristen Pickrel, MDWatertown, SD 572011306307160
- Aaron Pickrel, DOWatertown, SD 572011356802979
- Calvin Roseth, MDWatertown, SD 572011215916739
- Deepali Shah, M.D.Watertown, SD 572011174011027
- John Sneden, MDWatertown, SD 572011811999659
Common questions
What is Catherine C. Gerrish, MD's NPI number?
Catherine C. Gerrish, MD's National Provider Identifier (NPI) is 1770541807, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Catherine C. Gerrish, MD located?
The NPPES record lists a practice address at 506 1St Ave SE, Watertown, SD, 57201. Phone: (605) 886-8482. Providers update this record themselves, so call before visiting.
How can I verify Catherine C. Gerrish, MD's license?
NPPES lists South Dakota license number 1394, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.