Huan Ngoc Phan
- Medicare services, 2024
- 12
- Medicare patients, 2024
- 16
- Part D claims, 2024
- 129
- Hospital affiliations
- 1
- Industry payments
- $4,145
- Practice address
- 225 N Jackson Avenue, San Jose, CA 95116
- Practice phone
- Call (408) 259-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Huan Phan's professional email, personal email and mobile number
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Huan Ngoc Phan is an ophthalmologist in San Jose, California
Huan Phan practices at Regional Medical Center in San Jose, California, part of County of Santa Clara, CA.
Huan Phan's NPI, 1841208352, was assigned on August 3, 2006. Huan Phan graduated from UC Davis School of Medicine in 1991. Huan Phan holds California license G77619.
- NPI
- 1841208352NPI Registry (opens in a new tab)
- NPI enumeration date
- August 3, 2006
- NPI status
- Active
- Practice phone
- (408) 259-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Huan Ngoc Phan practices at Regional Medical Center in San Jose, California
Huan Phan's primary practice is Regional Medical Center, at 225 N Jackson Avenue, San Jose, CA 95116 in Santa Clara County. The practice phone is (408) 259-5000.
- Regional Medical Center225 N Jackson Avenue, San Jose, CA 95116 · Santa Clara CountyPhone(408) 259-5000
Source: Dmand AI Affiliation Data
Huan Ngoc Phan is affiliated with 1 site of care
Huan Phan's primary practice is Regional Medical Center in San Jose, California, part of County of Santa Clara, CA.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Huan Ngoc Phan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Huan Phan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Santa Clara, CA and 6.2K+ hospitals, with verified contacts in the same login.
Huan Ngoc Phan is one of 2,621 ophthalmologists in California
Ophthalmology is Huan Phan's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Huan Phan is board certified in ophthalmology by the American Board of Ophthalmology. Huan Phan is licensed in California.
Specialties and state licenses
- Ophthalmology, CaliforniaPrimary
Clinical focus
Dmand AI lists cataract and eyelid inflammation among the conditions Huan Phan treats.
Ophthalmologists near Huan Phan
Counts of ophthalmologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Huan Ngoc Phan billed Medicare for 12 services in 2024
CMS data shows 12 Medicare services from Huan Phan across 1 procedure code in 2024, for 16 Medicare patients. Medicare paid $1,231 for them. Every service was in an office.
Huan Phan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 232024: 1248%
Huan Phan compared with the California median for ophthalmologists, 2024
- Huan Phan
- California median
- Medicare services
- 12vs 1,07999% below
- Medicare patients
- 16vs 42196% below
- Part D claims
- 91vs 61885% below
Medians across 2,568 ophthalmologists in California with Dmand AI profiles that report each measure.
Huan Phan's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Huan Phan?
Medicare shows one payer. Book a meeting to get commercial claims data for Huan Phan and other ophthalmologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Huan Ngoc Phan treated 16 Medicare patients in 2024, average age 76
CMS counts 16 Medicare patients who saw Huan Phan in 2024. 75% of them have high cholesterol, and 69% have high blood pressure. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Huan Phan's median patient age at 64, with 67% women.
Chronic conditions among Huan Phan's Medicare patients, 2024
- High cholesterol75%
- High blood pressure69%
Share of Medicare patients with each condition. A patient can have several.
Huan Phan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Huan Ngoc Phan wrote 129 Medicare Part D claims in 2024
In 2024, Huan Phan wrote 129 Medicare Part D claims for 26 patients. 32% of them were for generic drugs. CMS names the drug for 91 of them, across 4 drugs with 11 or more claims each, at $19,793 in total drug cost. In 2023, CMS named 218 claims across 7 drugs.
Huan Phan's Part D claims by kind of drug, 2024
- Generic41 claims32%
- Brand-name88 claims68%
Huan Phan's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2182024: 9158%
Drugs named by CMS: 4 in 2024, 7 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Huan Ngoc Phan received $4,145 in industry payments from 2016 to 2025
CMS Open Payments shows 90 general payments to Huan Phan from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Carl Zeiss Meditec, Inc. paid the most, $969.
General payments to Huan Phan by program year, 2016 to 2025
Companies that paid Huan Phan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Huan Ngoc Phan graduated from UC Davis School of Medicine
Huan Phan graduated from UC Davis School of Medicine in 1991.
- Medical school
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Huan Ngoc Phan accepts plans from 16 insurance carriers
Huan Phan is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- HCSC
- Humana
- United Healthcare
- Elevance
- Alliant Health Plans
- Blue Cross Blue Shield of Massachusetts
- +8 more carriersWith a free account
Plan types Huan Phan accepts, by number of carriers
- PPO11
- HMO10
- Medicare7
- POS6
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Huan Ngoc Phan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Huan Ngoc Phan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Huan Ngoc Phan's NPI number?
Huan Ngoc Phan's NPI number is 1841208352. It was assigned on August 3, 2006, and it is active in the NPI Registry.
What does Huan Ngoc Phan specialize in?
Huan Ngoc Phan is an ophthalmologist in San Jose, California. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Huan Ngoc Phan practice?
Huan Phan practices at 225 N Jackson Avenue, San Jose, CA 95116. Huan Phan's primary practice is Regional Medical Center in San Jose, California, part of County of Santa Clara, CA.
What is Huan Ngoc Phan's office phone number?
The practice phone on file for Huan Phan is (408) 259-5000.
What is Huan Ngoc Phan's medical license number?
Huan Phan holds California license G77619.
Which hospitals is Huan Ngoc Phan affiliated with?
Huan Phan practices at Regional Medical Center in San Jose, California.
Does Huan Ngoc Phan accept Medicare?
Yes. CMS data shows Huan Phan billed Medicare for 12 services in 2024.
How many Medicare patients does Huan Ngoc Phan see?
CMS counts 16 Medicare patients who saw Huan Phan in 2024, with an average age of 76.
Is Huan Ngoc Phan board certified?
Yes. Huan Phan is board certified in ophthalmology by the American Board of Ophthalmology.
What services does Huan Ngoc Phan bill to Medicare?
In 2024, Huan Phan's most billed Medicare services were eye exam or test (92014).
Show 5 more questionsShow fewer questions
Where did Huan Ngoc Phan go to medical school?
Huan Phan graduated from UC Davis School of Medicine in 1991.
What drugs does Huan Ngoc Phan prescribe most?
In 2024 Medicare Part D data, Huan Phan's most prescribed drugs by claims were Latanoprost, Cyclosporine and Timolol Maleate.
Has Huan Ngoc Phan received payments from drug or device companies?
CMS Open Payments shows $4,145 in general payments to Huan Phan from 16 companies from 2016 to 2025. The largest total came from Carl Zeiss Meditec, Inc.
How long has Huan Ngoc Phan been practicing?
Huan Phan graduated from medical school in 1991, 35 years ago.
What insurance does Huan Ngoc Phan accept?
Huan Phan is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and HCSC. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.
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