Robert Fenster, M.D.-PH.D.
NPI 1801141973 · Psychiatry Physician · Belmont, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Fenster, M.D.-PH.D. is a Psychiatry Physician provider in Belmont, MA (NPI 1801141973).
Provider details
- NPI number
- 1801141973
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.-PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 270775 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
2 documented practice locations
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
Additional practice locations (1)
- 325 9th AveSeattle, WA 98104-2420Phone: (206) 744-3452
Registry dates
- Enumerated
- 2012-07-16
- Last updated
- 2022-07-21
Frequently asked questions
- What is Robert Fenster's NPI number?
- Robert Fenster's National Provider Identifier (NPI) is 1801141973, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Fenster's specialty?
- Robert Fenster is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Fenster located?
- Robert Fenster's practice location on file with NPPES is 115 Mill St, Belmont, MA 02478-1064.
- What is Robert Fenster's phone number?
- The practice phone number listed in the NPPES registry for Robert Fenster is (617) 855-4221.
- Does Robert Fenster accept Medicare?
- Robert Fenster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Fenster's NPI active?
- Yes — Robert Fenster's NPI (1801141973) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.