Dr. Nam Phan, DO
- Medicare services, 2024
- 836
- Medicare patients, 2024
- 374
- Part D claims, 2024
- 548
- Publications
- 7
- Hospital affiliations
- 4
- Practice address
- 3300 Gallows Rd, Falls Church, VA 22046
- Practice phone
- Call (703) 698-3659
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inova Fairfax Hospital - Unit
Acute Care Hospital-Unit · Falls Church, Virginia
Find Dr. Phan'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.
Dr. Nam Phan is an internist in Falls Church, Virginia
Dr. Phan practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia.
Dr. Phan's NPI, 1154883965, was assigned on April 1, 2019. Dr. Phan holds Virginia license 0102207338.
- NPI
- 1154883965NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2860721883
- NPI enumeration date
- April 1, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (703) 698-3659
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nam Phan practices at Inova Fairfax Hospital - Unit in Falls Church, Virginia
Dr. Phan's primary practice is Inova Fairfax Hospital - Unit, at 3300 Gallows Rd, Falls Church, VA 22046 in Falls Church City. The practice phone is (703) 698-3659.
- Inova Fairfax Hospital - Unit3300 Gallows Rd, Falls Church, VA 22046 · Falls Church CityPhone(703) 698-3659
Source: Dmand AI Affiliation Data
Dr. Nam Phan is affiliated with 4 sites of care and 2 medical groups
Dr. Phan's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dr. Phan is also affiliated with Inova Fairfax Hospital. The medical group on file is Emergency Medicine Physicians (EMP). Dmand AI also links Dr. Phan to 2 more hospitals and 1 medical group, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nam Phan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Phan practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inova Fairfax Hospital - Unit | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Nam Phan is one of 3,339 internists in Virginia
Internal medicine is Dr. Phan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Phan is licensed in Virginia.
Specialties and state licenses
- Internal medicine, VirginiaPrimary
Internists near Dr. Phan
Counts of internists 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
Dr. Nam Phan billed Medicare for 836 services in 2024
CMS data shows 836 Medicare services from Dr. Phan across 7 procedure codes in 2024, for 374 Medicare patients. Medicare paid $70,466 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Phan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 9882024: 83615%
- Other services
- 2023: 132024: 0100%
Dr. Phan compared with the Virginia median for internists, 2024
- Dr. Phan
- Virginia median
- Medicare services
- 836vs 60738% above
- Medicare patients
- 374vs 24652% above
- Part D claims
- 237vs 2246% above
Medians across 3,182 internists in Virginia with Dmand AI profiles that report each measure.
Dr. 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 Dr. Phan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Phan and other internists in Virginia.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nam Phan treated 374 Medicare patients in 2024, average age 76
CMS counts 374 Medicare patients who saw Dr. Phan in 2024. The largest group is 75 to 84, with 135 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 2.64, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Phan's median patient age at 64, with 52% women.
Dr. Phan's Medicare patients by age, 2024
Dr. Phan's Medicare patients by sex, 2024
- Women21056%
- Men16444%
Chronic conditions among Dr. Phan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis59%
- Chronic kidney disease59%
- Heart failure57%
- Ischemic heart disease56%
- Diabetes53%
- Mood disorders49%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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
- Women52%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nam Phan wrote 548 Medicare Part D claims in 2024
In 2024, Dr. Phan wrote 548 Medicare Part D claims for 222 patients. 84% of them were for generic drugs. CMS names the drug for 237 of them, across 14 drugs with 11 or more claims each, at $23,342 in total drug cost. In 2023, CMS named 168 claims across 10 drugs.
Dr. Phan's Part D claims by kind of drug, 2024
- Generic463 claims84%
- Brand-name85 claims16%
Dr. 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.
Drug classes CMS tracks in Dr. Phan's Part D claims, 2024
- Opioids3%14 of 548 claims
- Antibiotics20%110 of 548 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1682024: 23741%
Drugs named by CMS: 14 in 2024, 10 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
How Dr. Nam Phan takes part in Medicare
Dr. Phan 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)
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Dr. Nam Phan has 7 publications on record
Dmand AI links 7 papers to Dr. Phan, published from 2012 to 2024. Dr. Phan has published most often in Materials (Basel). Dr. Phan's most frequent co-author is Michael Nicholas, MD.
Dr. Phan's papers by year, 2012 to 2024
Dr. Phan's most frequent co-authors
Recent publications by Dr. Phan
See who Dr. Phan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Phan works with, so you can find a warm path to the right internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Nam Phan received $28 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Phan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Gilead Sciences, Inc. paid the most, $28.
Companies that paid Dr. Phan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Nam 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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Dr. Nam 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 Dr. Nam Phan's NPI number?
Dr. Nam Phan's NPI number is 1154883965. It was assigned on April 1, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Nam Phan?
Dr. Nam Phan is an internist in Falls Church, Virginia. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Nam Phan practice?
Dr. Phan practices at 3300 Gallows Rd, Falls Church, VA 22046. Dr. Phan's primary practice is Inova Fairfax Hospital - Unit in Falls Church, Virginia. Dmand AI also links Dr. Phan to 2 hospitals and 1 medical group.
What is Dr. Nam Phan's office phone number?
The practice phone on file for Dr. Phan is (703) 698-3659.
What is Dr. Nam Phan's medical license number?
Dr. Phan holds Virginia license 0102207338.
Which hospitals is Dr. Nam Phan affiliated with?
Dr. Phan is affiliated with Inova Fairfax Hospital. Dmand AI links Dr. Phan to 3 more hospitals.
What medical group is Dr. Nam Phan part of?
Dr. Phan is linked to Emergency Medicine Physicians (EMP). Dmand AI links Dr. Phan to 1 more medical group.
Does Dr. Nam Phan accept Medicare?
Yes. CMS data shows Dr. Phan billed Medicare for 836 services in 2024, and Dr. Phan accepts Medicare assignment.
How many Medicare patients does Dr. Nam Phan see?
CMS counts 374 Medicare patients who saw Dr. Phan in 2024, with an average age of 76.
What services does Dr. Nam Phan bill to Medicare?
In 2024, Dr. Phan's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99233).
Show 5 more questionsShow fewer questions
What drugs does Dr. Nam Phan prescribe most?
In 2024 Medicare Part D data, Dr. Phan's most prescribed drugs by claims were Furosemide, Metoprolol Succinate and Amlodipine Besylate.
Has Dr. Nam Phan received payments from drug or device companies?
CMS Open Payments shows $28 in general payments to Dr. Phan from 1 company from 2025 to 2025. The largest total came from Gilead Sciences, Inc.
How long has Dr. Nam Phan been practicing?
Dr. Phan graduated from medical school in 2019, 7 years ago.
Does Dr. Nam Phan do research?
Dmand AI links 7 publications to Dr. Phan, published from 2012 to 2024.
Who does Dr. Nam Phan publish with?
Dr. Phan's most frequent co-authors are Michael Nicholas, MD (1 shared paper).
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