Huan Ngoc Phan
Ophthalmology Physician · Cupertino, CA
Huan Ngoc Phan is an ophthalmology physician with a practice address in Cupertino, California, and NPI 1841208352, issued on Aug 3, 2006. Check the license (California G77619, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Huan Ngoc Phan
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- G77619 CA
Self-reported in NPPES; status is on the state search - Practice location
- 20269 Stevens Creek Blvd, Cupertino, CA 95014
- Phone
- (408) 296-0100
- Enumerated
- Aug 3, 2006
- Record last updated
- Jul 30, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (408) 296-1795
- Medicaid ID
- 00G776190 CA
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 20269 Stevens Creek Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Tran, O.D.Optometrist1447799671
Verify Huan Ngoc Phan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G77619Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average ophthalmology physician in 2024
129 Medicare Part D claims for 26 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 68% of claims.
Most prescribed
- Latanoprost31 claims
- Cyclosporine27 claims
- Timolol Maleate18 claims
- Lumigan15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $366.24
8 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Huan Ngoc Phan among 2,899 ophthalmology physician records in California
Huan Ngoc Phan is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2015 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Cupertino → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Deborah Alcorn, MDCupertino, CA 950141346332780
- Tarek El-Sawy, M.D.Cupertino, CA 950141922269083
- James Liu, M.D.Cupertino, CA 950141831139997
- Lawrence Birndorf, MDFreedom, CA 950191558450932
- John Crowder, MDFreedom, CA 950191215021480
- Conrad Hamako, MDFreedom, CA 950191679675029
- Anne Kato, M.D.Freedom, CA 950191871849984
- Louis CaiCampbell, CA 950081194220632
Common questions
What is Huan Ngoc Phan's NPI number?
Huan Ngoc Phan's National Provider Identifier (NPI) is 1841208352, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Huan Ngoc Phan located?
The NPPES record lists a practice address at 20269 Stevens Creek Blvd, Cupertino, CA, 95014. Phone: (408) 296-0100. Providers update this record themselves, so call before visiting.
How can I verify Huan Ngoc Phan's license?
NPPES lists California license number G77619, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Huan Ngoc Phan prescribe under Medicare Part D?
In 2024, Huan Ngoc Phan had 129 Medicare Part D claims for 26 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.