Gary Greenstein, M.D.
NPI 1235111493 · Obstetrics & Gynecology Physician · Lakewood, NJ
Gary Greenstein, M.D. is a Obstetrics & Gynecology Physician provider in Lakewood, NJ (NPI 1235111493).
Provider details
- NPI number
- 1235111493
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- License
- 79483 (NJ)
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
- 2005-11-15
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gary Greenstein's NPI number?
- Gary Greenstein's National Provider Identifier (NPI) is 1235111493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Greenstein's specialty?
- Gary Greenstein is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Greenstein located?
- Gary Greenstein's practice location on file with NPPES is 101 Prospect St, Lakewood, NJ 08701-5020.
- What is Gary Greenstein's phone number?
- The practice phone number listed in the NPPES registry for Gary Greenstein is (732) 942-4442.
- Is Gary Greenstein's NPI active?
- Yes — Gary Greenstein's NPI (1235111493) 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.