IndividualActive
Robert Gross, OD
NPI 1245204403 · Optometrist · Cambridge, MA
Robert Gross, OD is a Optometrist provider in Cambridge, MA (NPI 1245204403).
Provider details
- NPI number
- 1245204403
- Entity type
- Individual
- Primary specialty
- OptometristEye and Vision Services Providers
- Credential
- OD
- Sex
- Male
- Sole proprietor
- No
- License
- 2913 (MA)
Specialties & taxonomies
Eye and Vision Services Providers
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
20 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 Mass Ave
Medical E23-2s
Cambridge, MA 02139-4301
Phone: (617) 253-4351
Street-level locationGet directions
Mailing address
Po Box 425789
Cambridge, MA 02142-0015
Registry dates
- Enumerated
- 2006-02-15
- Last updated
- 2012-11-16
Frequently asked questions
- What is Robert Gross's NPI number?
- Robert Gross's National Provider Identifier (NPI) is 1245204403, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Gross's specialty?
- Robert Gross is listed in the NPPES registry with a primary specialty of Optometrist (Eye and Vision Services Providers).
- Where is Robert Gross located?
- Robert Gross's practice location on file with NPPES is 77 Mass Ave, Cambridge, MA 02139-4301.
- What is Robert Gross's phone number?
- The practice phone number listed in the NPPES registry for Robert Gross is (617) 253-4351.
- Is Robert Gross's NPI active?
- Yes — Robert Gross's NPI (1245204403) is active in the NPPES registry as of the last update on 2012-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.