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Hildred Pennoyer, M.D.
NPI 1083650592 · Internal Medicine Physician · Boston, MA
Hildred Pennoyer, M.D. is a Internal Medicine Physician provider in Boston, MA (NPI 1083650592).
Provider details
- NPI number
- 1083650592
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 70598 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
133 Brookline Ave
Internal Medicine
Boston, MA 02215-3904
Phone: (617) 421-5804
Fax: (617) 421-8865
Street-level locationGet directions
Mailing address
147 Milk St
Boston, MA 02109-4806
Registry dates
- Enumerated
- 2006-06-22
- Last updated
- 2011-06-08
Frequently asked questions
- What is Hildred Pennoyer's NPI number?
- Hildred Pennoyer's National Provider Identifier (NPI) is 1083650592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hildred Pennoyer's specialty?
- Hildred Pennoyer is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hildred Pennoyer located?
- Hildred Pennoyer's practice location on file with NPPES is 133 Brookline Ave, Boston, MA 02215-3904.
- What is Hildred Pennoyer's phone number?
- The practice phone number listed in the NPPES registry for Hildred Pennoyer is (617) 421-5804.
- Is Hildred Pennoyer's NPI active?
- Yes — Hildred Pennoyer's NPI (1083650592) is active in the NPPES registry as of the last update on 2011-06-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.