MRS. JOAN TORIO MAH O.D.
NPI 1992854897
Optometrist in San Rafael, CA

Q: What is Joan Mah's NPI number?

The NPI number for Joan Mah is 1992854897. It was assigned to this individual provider in the NPPES registry on January 9, 2007.

Q: What is Joan Mah's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Joan Mah was last updated on January 3, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 January 09, 2007PECOS Enrolled

1033 3RD ST, SAN RAFAEL, CA 94901(415) 482-6705 Get Directions Write a Review

NPPES record last updated: January 3, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Mrs. Joan Torio Mah O.d. NPPES

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

MRS. JOAN TORIO MAH O.D. (NPI 1992854897) is an individual optometrist in San Rafael, California, licensed in California (9719) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992854897

Entity TypeIndividualFemale

Primary Taxonomy152W00000X

Provider Legal NameMRS. JOAN TORIO MAHCredential: O.D.

Location Address1033 3RD STSan Rafael, CA 94901-3107

Mailing Address1033 3rd StSan Rafael, CA 94901-3107

Phone(415) 482-6705

Sole ProprietorNo

Enumeration DateJanuary 9, 2007

Last NPPES UpdateJanuary 3, 2022

✔ NPI 1992854897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in CA · 9719

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.

1033 3RD ST, San Rafael, CA 94901

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Joan Torio Mah O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$154.04 typical visit price

range $69.07 – $202.63

Typical copayment $38.51 (range $17.26 – $50.65)

Most-billed visit code 99204

Established Patient

$85.00 typical visit price

range $23.44 – $166.64

Typical copayment $21.25 (range $5.86 – $41.66)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SABRINA N STILWELL O.D.

Optometrist