What is Mark Gelwan's NPI number?

Mark Gelwan's National Provider Identifier (NPI) is 1881792307, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mark Gelwan's specialty?

Mark Gelwan is listed in the NPPES registry with a primary specialty of Ophthalmology Physician (Allopathic & Osteopathic Physicians).

Where is Mark Gelwan located?

Mark Gelwan's practice location on file with NPPES is 12218 Rockaway Beach Blvd, Belle Harbor, NY 11694-1836.

What is Mark Gelwan's phone number?

The practice phone number listed in the NPPES registry for Mark Gelwan is (718) 634-3300.

Is Mark Gelwan's NPI active?

Yes — Mark Gelwan's NPI (1881792307) is active in the NPPES registry as of the last update on 2023-09-06.

IndividualActive

Mark Gelwan, M.D

NPI 1881792307 · Ophthalmology Physician · Belle Harbor, NY

Mark Gelwan, M.D is a Ophthalmology Physician provider in Belle Harbor, NY (NPI 1881792307).

Provider details

NPI number: 1881792307
Entity type: Individual
Primary specialty: Ophthalmology PhysicianAllopathic & Osteopathic Physicians
Credential: M.D
Sex: Male
Sole proprietor: Yes
License: 151785 (NY)

Specialties & taxonomies

Ophthalmology PhysicianPrimary207W00000XLicense 151785 (NY)
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

12218 Rockaway Beach Blvd

Belle Harbor, NY 11694-1836

Phone: (718) 634-3300

Fax: (718) 634-9723

Street-level locationGet directions

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Mailing address