Catherine Gerrish, MD
NPI 1770541807 · Internal Medicine Physician · Watertown, SD
Catherine Gerrish, MD is a Internal Medicine Physician provider in Watertown, SD (NPI 1770541807).
Provider details
- NPI number
- 1770541807
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 1394 (SD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-01
- Last updated
- 2008-09-04
Frequently asked questions
- What is Catherine Gerrish's NPI number?
- Catherine Gerrish's National Provider Identifier (NPI) is 1770541807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Catherine Gerrish's specialty?
- Catherine Gerrish is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Catherine Gerrish located?
- Catherine Gerrish's practice location on file with NPPES is 506 1st Ave Se, Watertown, SD 57201-4402.
- What is Catherine Gerrish's phone number?
- The practice phone number listed in the NPPES registry for Catherine Gerrish is (605) 886-8482.
- Is Catherine Gerrish's NPI active?
- Yes — Catherine Gerrish's NPI (1770541807) is active in the NPPES registry as of the last update on 2008-09-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.