Individual provider

Tuyet-mai Phan, M.D.

Ophthalmology Physician Medicare enrolled

Tuyet-mai Phan, M.D. is an Ophthalmology Physician in Westminster, CA, registered under NPI 1710900477. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.

Getting there

The practice address on file is 9500 BOLSA AVE STE P, Westminster, CA 92683. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

9500 BOLSA AVE STE P, Westminster, CA 92683 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
G57670 CA Ophthalmology Physician primary

This provider holds licence G57670 issued in CA. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.

Medicare (PECOS)
Status
Approved
Provider type
Practitioner - Ophthalmology
PAC ID
2961698576
Enrollment ID
I20101122001000

Medicare enrolment is recorded as approved under the provider type Practitioner - Ophthalmology. Being enrolled means the provider can bill Medicare; it does not tell you whether they are currently accepting new Medicare patients. Call the office to confirm.

What Ophthalmology covers

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. NUCC Health Care Provider Taxonomy, code 207W00000X
Allopathic & Osteopathic Physicians Ophthalmology

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1710900477 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateJul 25, 2006
Last updatedJan 27, 2021
StatusActive
Sole proprietorYes
CredentialM.D.
Practice address 9500 BOLSA AVE
STE P
Westminster, CA 92683
(714) 775-4400
Fax (714) 775-0149
Mailing address 10681 BOLSA AVE
Garden Grove, CA 92843
Other identifiers 00G576702 · Medicaid (CA)
The last update on file is Jan 27, 2021. Providers are only required to update NPPES when their information changes, so an older date does not necessarily mean the details are wrong — but it is worth a quick call before you travel.

Number check

1710900477 passes the NPI check digit test The final digit 7 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 7 1 0 9 0 0 4 7
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 7 2 0 9 0 0 4 5

Sum = 53 · next multiple of 10 = 60 · check digit = 7 · actual last digit = 7

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1710900477?
NPI 1710900477 is the National Provider Identifier assigned to Tuyet-mai Phan, M.D. in Westminster, CA. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Ophthalmology Physician cover?
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…
How do I contact Tuyet-mai Phan, M.D.?
The phone number on file with NPPES is (714) 775-4400, last updated Jan 27, 2021. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Does Tuyet-mai Phan, M.D. accept Medicare?
This NPI has an approved Medicare enrolment in PECOS, which means the provider is enrolled to bill Medicare. Enrolment does not guarantee they are accepting new Medicare patients — verify directly with the office.
Is NPI 1710900477 a valid number?
Yes. 1710900477 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.