Katharine Griffey, M.D.
NPI 1912183831 · Internal Medicine Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katharine Griffey, M.D. is a Internal Medicine Physician provider in Worcester, MA (NPI 1912183831).
Provider details
- NPI number
- 1912183831
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 70674 (MA)
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
18 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
- 2008-01-10
- Last updated
- 2010-06-15
Frequently asked questions
- What is Katharine Griffey's NPI number?
- Katharine Griffey's National Provider Identifier (NPI) is 1912183831, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katharine Griffey's specialty?
- Katharine Griffey is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Katharine Griffey located?
- Katharine Griffey's practice location on file with NPPES is 119 Belmont St, Worcester, MA 01605-2903.
- What is Katharine Griffey's phone number?
- The practice phone number listed in the NPPES registry for Katharine Griffey is (508) 334-8515.
- Does Katharine Griffey accept Medicare?
- Katharine Griffey is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katharine Griffey's NPI active?
- Yes — Katharine Griffey's NPI (1912183831) is active in the NPPES registry as of the last update on 2010-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.