Katherine R. Newcomb M.D. Medical Corp
NPI 1285977587 · Internal Medicine Physician · Groveland, CA
Katherine R. Newcomb M.D. Medical Corp is a Internal Medicine Physician organization in Groveland, CA (NPI 1285977587).
Provider details
- NPI number
- 1285977587
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Katherine Newcomb, Ceo(209) 770-5283
- License
- G59102 (CA)
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
13 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
- 2013-04-04
- Last updated
- 2013-04-04
Frequently asked questions
- What is Katherine R. Newcomb M.D. Medical Corp's NPI number?
- Katherine R. Newcomb M.D. Medical Corp's National Provider Identifier (NPI) is 1285977587, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Katherine R. Newcomb M.D. Medical Corp?
- Katherine R. Newcomb M.D. Medical Corp is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katherine R. Newcomb M.D. Medical Corp located?
- Katherine R. Newcomb M.D. Medical Corp's practice location on file with NPPES is 18661 Main St, Groveland, CA 95321-9432.
- What is Katherine R. Newcomb M.D. Medical Corp's phone number?
- The practice phone number listed in the NPPES registry for Katherine R. Newcomb M.D. Medical Corp is (209) 962-7121.
- Who is the authorized official for Katherine R. Newcomb M.D. Medical Corp?
- The authorized official listed on Katherine R. Newcomb M.D. Medical Corp's NPPES record is Katherine Newcomb, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Katherine R. Newcomb M.D. Medical Corp's NPI active?
- Yes — Katherine R. Newcomb M.D. Medical Corp's NPI (1285977587) is active in the NPPES registry as of the last update on 2013-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.