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Jack Greenberg, MD
NPI 1790784502 · Ophthalmology Physician · New York, NY
Jack Greenberg, MD is a Ophthalmology Physician provider in New York, NY (NPI 1790784502).
Provider details
- NPI number
- 1790784502
- Entity type
- Individual
- Primary specialty
- Ophthalmology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 142512 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
21 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
30 E 40th St Rm 607
New York, NY 10016-1201
Phone: (212) 689-1331
Fax: (212) 685-1452
Street-level locationGet directions
Mailing address
7139 166th St
Flushing, NY 11365-3235
Registry dates
- Enumerated
- 2005-07-14
- Last updated
- 2008-08-01
Frequently asked questions
- What is Jack Greenberg's NPI number?
- Jack Greenberg's National Provider Identifier (NPI) is 1790784502, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Greenberg's specialty?
- Jack Greenberg is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Greenberg located?
- Jack Greenberg's practice location on file with NPPES is 30 E 40th St Rm 607, New York, NY 10016-1201.
- What is Jack Greenberg's phone number?
- The practice phone number listed in the NPPES registry for Jack Greenberg is (212) 689-1331.
- Is Jack Greenberg's NPI active?
- Yes — Jack Greenberg's NPI (1790784502) is active in the NPPES registry as of the last update on 2008-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.