Robert Feldman, MD
NPI 1689610321 · Ophthalmology Physician · Rockville, MD
Robert Feldman, MD is a Ophthalmology Physician provider in Rockville, MD (NPI 1689610321).
Provider details
- NPI number
- 1689610321
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D37020 (MD)
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
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
Mailing address
Registry dates
- Enumerated
- 2006-06-21
- Last updated
- 2011-07-07
Frequently asked questions
- What is Robert Feldman's NPI number?
- Robert Feldman's National Provider Identifier (NPI) is 1689610321, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Feldman's specialty?
- Robert Feldman is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Feldman located?
- Robert Feldman's practice location on file with NPPES is 15005 Shady Grove Rd., Rockville, MD 20850-6341.
- What is Robert Feldman's phone number?
- The practice phone number listed in the NPPES registry for Robert Feldman is (301) 279-9696.
- Is Robert Feldman's NPI active?
- Yes — Robert Feldman's NPI (1689610321) is active in the NPPES registry as of the last update on 2011-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.