IndividualActive
Frank Berson, MD
NPI 1821188855 · Ophthalmology Physician · Cambridge, MA
Frank Berson, MD is a Ophthalmology Physician provider in Cambridge, MA (NPI 1821188855).
Provider details
- NPI number
- 1821188855
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34837 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
77 Massachusetts Ave
E23-2south
Cambridge, MA 02139-4301
Phone: (617) 253-4351
Street-level locationGet directions
Mailing address
Po Box 425789
Cambridge, MA 02142-0015
Registry dates
- Enumerated
- 2006-10-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Frank Berson's NPI number?
- Frank Berson's National Provider Identifier (NPI) is 1821188855, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Frank Berson's specialty?
- Frank Berson is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Frank Berson located?
- Frank Berson's practice location on file with NPPES is 77 Massachusetts Ave, Cambridge, MA 02139-4301.
- What is Frank Berson's phone number?
- The practice phone number listed in the NPPES registry for Frank Berson is (617) 253-4351.
- Is Frank Berson's NPI active?
- Yes — Frank Berson's NPI (1821188855) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.