MARIN OPTOMETRIC GROUP, INC
NPI 1437632429
Optometrist in San Rafael, CA

Q: What is Marin Optometric Group, Inc's NPI number?

The NPI number for Marin Optometric Group, Inc is 1437632429. It was assigned to this organization in the NPPES registry on September 14, 2018.

Q: What is Marin Optometric Group, Inc's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Active since September 14, 2018

1001 GRAND AVE, SAN RAFAEL, CA 94901(415) 453-3812 Get Directions Write a Review

NPPES record last updated: September 14, 2018. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Marin Optometric Group, Inc NPPES

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

MARIN OPTOMETRIC GROUP, INC (NPI 1437632429) is a healthcare organization registered as an optometrist in San Rafael, California and active in the NPI registry since September 2018. The organization lists Darwin C Tsang, President, as its authorized official.

NPPES Registry Identity

NPI1437632429

Entity TypeOrganization

Primary Taxonomy152W00000X

Legal Business NameMARIN OPTOMETRIC GROUP, INC

Location Address1001 GRAND AVESan Rafael, CA 94901-3416

Mailing Address1001 Grand AveSan Rafael, CA 94901-3416

Phone(415) 453-3812

Organization SubpartNo

Authorized OfficialDarwin C TsangPresident · (510) 331-2875

Enumeration DateSeptember 14, 2018

✔ NPI 1437632429 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

1001 GRAND AVE, San Rafael, CA 94901

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marin Optometric Group, Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Marin Optometric Group, Inc, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Tina Cheung, O.D.

Optometry

NPI 1306213160

929 CLAY ST STE 405
San Francisco, CA 94108

(415) 986-3239

✔ PECOS✔ Accepts Medicare14 mi

Darwin Tsang, O.D.

Optometry

NPI 1619344918

401 KENILWORTH DR INSIDE TARGET OPTICAL
Petaluma, CA 94952

(707) 775-6022

✔ PECOS✔ Accepts Medicare20 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Marin Optometric Group, Inc's NPI number?

The NPI number for Marin Optometric Group, Inc is 1437632429. It was assigned to this organization in the NPPES registry on September 14, 2018.

Where is Marin Optometric Group, Inc located?

Marin Optometric Group, Inc is located at 1001 Grand Ave, San Rafael, CA 94901. The listed phone number is (415) 453-3812.

What is Marin Optometric Group, Inc's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Marin Optometric Group, Inc enrolled in Medicare?

Yes. Marin Optometric Group, Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Marin Optometric Group, Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Optometry, reassign their Medicare billing to Marin Optometric Group, Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Marin Optometric Group, Inc accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma, Blue Cross and Blue Shield of Texas and BlueCross BlueShield of Tennessee list Marin Optometric Group, Inc as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marin Optometric Group, Inc was last updated on September 14, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.