OrganizationActive
Marvin C Mah, OD, Inc
NPI 1437417433 · Optometrist · Fremont, CA
Marvin C Mah, OD, Inc is a Optometrist organization in Fremont, CA (NPI 1437417433).
Provider details
- NPI number
- 1437417433
- Entity type
- Organization
- Primary specialty
- OptometristEye and Vision Services Providers
- Organization subpart
- No
- Authorized official
- Marvin Mah, President(510) 438-0508
- License
- CA6996T (CA)
Specialties & taxonomies
Eye and Vision Services Providers
Profile Score
Detailed profile(80/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
1556 Washington Blvd
Fremont, CA 94539-5100
Phone: (510) 438-0508
Fax: (510) 661-2362
Street-level locationGet directions
Mailing address
1556 Washington Blvd
Fremont, CA 94539-5100
Registry dates
- Enumerated
- 2012-04-26
- Last updated
- 2012-04-26
Frequently asked questions
- What is Marvin C Mah, OD, Inc's NPI number?
- Marvin C Mah, OD, Inc's National Provider Identifier (NPI) is 1437417433, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marvin C Mah, OD, Inc?
- Marvin C Mah, OD, Inc is classified in the NPPES registry as Optometrist (Eye and Vision Services Providers).
- Where is Marvin C Mah, OD, Inc located?
- Marvin C Mah, OD, Inc's practice location on file with NPPES is 1556 Washington Blvd, Fremont, CA 94539-5100.
- What is Marvin C Mah, OD, Inc's phone number?
- The practice phone number listed in the NPPES registry for Marvin C Mah, OD, Inc is (510) 438-0508.
- Who is the authorized official for Marvin C Mah, OD, Inc?
- The authorized official listed on Marvin C Mah, OD, Inc's NPPES record is Marvin Mah, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marvin C Mah, OD, Inc's NPI active?
- Yes — Marvin C Mah, OD, Inc's NPI (1437417433) is active in the NPPES registry as of the last update on 2012-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.