Bettina Bentley, MD
NPI 1538267521 · Internal Medicine Physician · Cambridge, MA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Bettina Bentley, MD is a Internal Medicine Physician provider in Cambridge, MA (NPI 1538267521).
Provider details
- NPI number
- 1538267521
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 59424 (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
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
Mailing address
Registry dates
- Enumerated
- 2006-09-21
- Last updated
- 2015-01-14
Frequently asked questions
- What is Bettina Bentley's NPI number?
- Bettina Bentley's National Provider Identifier (NPI) is 1538267521, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Bettina Bentley's specialty?
- Bettina Bentley is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Bettina Bentley located?
- Bettina Bentley's practice location on file with NPPES is 75 Mount Auburn St, Cambridge, MA 02138-4960.
- What is Bettina Bentley's phone number?
- The practice phone number listed in the NPPES registry for Bettina Bentley is (617) 495-8414.
- Does Bettina Bentley accept Medicare?
- Bettina Bentley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Bettina Bentley's NPI active?
- Yes — Bettina Bentley's NPI (1538267521) is active in the NPPES registry as of the last update on 2015-01-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.