Phi Doan, OD
- Medicare patients, 2024
- 88
- Part D claims, 2024
- 66
- Industry payments
- $122
- Affiliated sites
- 1
- State license
- 1
- Practice address
- 9039 Bolsa Ave Ste 203, Westminster, CA 92683-5595
- Practice phone
- Call (714) 891-4780
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Doan Hearing Aid Center
Physician office · Westminster, California
Find Phi Doan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Phi Doan is an optometrist in Westminster, California
Phi Doan practices at Doan Hearing Aid Center in Westminster, California.
Phi Doan's NPI, 1194878926, was assigned on January 18, 2007. Phi Doan graduated from University of California - School of Optometry in 2001. Phi Doan holds California license 11627T.
- NPI
- 1194878926NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870483183
- NPI enumeration date
- January 18, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (714) 891-4780
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Phi Doan practices at Doan Hearing Aid Center in Westminster, California
Phi Doan's primary practice is Doan Hearing Aid Center, at 9039 Bolsa Ave Ste 203, Westminster, CA 92683-5595. The practice phone is (714) 891-4780.
- Doan Hearing Aid Center9039 Bolsa Ave Ste 203, Westminster, CA 92683-5595Phone(714) 891-4780
Source: Dmand AI Affiliation Data
Phi Doan is affiliated with 1 site of care
Phi Doan's primary practice is Doan Hearing Aid Center in Westminster, California.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Phi Doan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Phi Doan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Doan Hearing Aid 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Phi Doan is one of 7,206 optometrists in California
Optometrist is Phi Doan's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Phi Doan is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Phi Doan
Counts of optometrists 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
Phi Doan treated 88 Medicare patients in 2024, average age 75
CMS counts 88 Medicare patients who saw Phi Doan in 2024. The largest group is 65 to 74, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Phi Doan's median patient age at 75, with 47% women.
Phi Doan's Medicare patients by age, 2024
Phi Doan's Medicare patients by sex, 2024
- Women5866%
- Men3034%
Chronic conditions among Phi Doan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes44%
- Osteoporosis44%
- Arthritis40%
- Chronic kidney disease26%
- Ischemic heart disease22%
- Heart failure16%
Share of Medicare patients with each condition. A patient can have several.
Phi Doan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Phi Doan wrote 66 Medicare Part D claims in 2024
In 2024, Phi Doan wrote 66 Medicare Part D claims for 24 patients. 33% of them were for generic drugs.
Phi Doan's Part D claims by kind of drug, 2024
- Generic22 claims33%
- Brand-name44 claims67%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Phi Doan takes part in Medicare
Phi Doan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Phi Doan received $122 in industry payments in 2025
CMS Open Payments shows 1 general payment to Phi Doan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $122.
Companies that paid Phi Doan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Phi Doan graduated from University of California - School of Optometry
Phi Doan graduated from University of California - School of Optometry in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Phi Doan'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 Data |
| 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 (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| 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 Phi Doan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Phi Doan's NPI number?
Phi Doan's NPI number is 1194878926. It was assigned on January 18, 2007, and it is active in the NPI Registry.
What does Phi Doan specialize in?
Phi Doan is an optometrist in Westminster, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Phi Doan practice?
Phi Doan practices at 9039 Bolsa Ave Ste 203, Westminster, CA 92683-5595. Phi Doan's primary practice is Doan Hearing Aid Center in Westminster, California.
What is Phi Doan's office phone number?
The practice phone on file for Phi Doan is (714) 891-4780.
What is Phi Doan's medical license number?
Phi Doan holds California license 11627T.
Does Phi Doan accept Medicare?
Yes. CMS lists Phi Doan as accepting Medicare assignment.
How many Medicare patients does Phi Doan see?
CMS counts 88 Medicare patients who saw Phi Doan in 2024, with an average age of 75.
Where did Phi Doan go to medical school?
Phi Doan graduated from University of California - School of Optometry in 2001.
Has Phi Doan received payments from drug or device companies?
CMS Open Payments shows $122 in general payments to Phi Doan from 1 company from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Phi Doan been practicing?
Phi Doan graduated from medical school in 2001, 25 years ago.
Selling to optometrist practices?
See optometrists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card