DR. HAROLD HASSIN
NPI 1699221192
Ophthalmology in Belvedere, CA

Q: What is Harold Hassin's NPI number?

The NPI number for Harold Hassin is 1699221192. It was assigned to this individual provider in the NPPES registry on August 25, 2016.

Q: What is Harold Hassin's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

Q: When was this NPI record last updated?

The NPPES record for Harold Hassin was last updated on August 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since August 25, 2016

28 BAYVIEW AVE, 28, BELVEDERE, CA 94920(415) 435-5766 Get Directions Write a Review

NPPES record last updated: August 25, 2016. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Harold Hassin NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HAROLD HASSIN (NPI 1699221192) is an individual ophthalmology provider in Belvedere, California, licensed in California (G20663) and active in the NPI registry since August 2016.

NPPES Registry Identity

NPI1699221192

Entity TypeIndividualMale

Primary Taxonomy207W00000X

Provider Legal NameDR. HAROLD HASSIN

Location Address28 BAYVIEW AVE, 28Belvedere, CA 94920-2368

Mailing Address28 Bayview AveBelvedere, CA 94920-2368 · (415) 435-5766

Phone(415) 435-5766

Sole ProprietorYes

Enumeration DateAugust 25, 2016

✔ NPI 1699221192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians

Taxonomy Code207W00000X

License✔ Licensed in CA · G20663

Definition

An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.

28 BAYVIEW AVE, Belvedere, CA 94920

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Harold Hassin's NPI number?

The NPI number for Harold Hassin is 1699221192. It was assigned to this individual provider in the NPPES registry on August 25, 2016.

Where is Harold Hassin located?

Harold Hassin practices at 28 Bayview Ave 28, Belvedere, CA 94920. The listed phone number is (415) 435-5766.

What is Harold Hassin's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Harold Hassin was last updated on August 25, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.