Dr. Phong Nguyen, MD

  • Reston, VA
  • Pulmonologist
NPI1215080668PAC ID1254472145
Medicare services, 2021
12
Part D claims, 2024
155
Publications
2
Industry payments
$241
Affiliated sites
1
Practice address
8008 Westpark Dr, Mclean, VA 22102
Practice phone
Call (703) 536-1496
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

KFHP of Mas ESRD - Tysons Corner

Dialysis Center - Independent · Mclean, Virginia

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Dr. Phong Nguyen is a pulmonologist in Reston, Virginia

Dr. Nguyen practices at KFHP of Mas ESRD - Tysons Corner in Mclean, Virginia.

Dr. Nguyen's NPI, 1215080668, was assigned on January 19, 2007. Dr. Nguyen graduated from Virginia Commonwealth University, School of Medicine in 1983. Dr. Nguyen holds Virginia license 0101043746.

NPI and contact details
Medicare PAC ID
1254472145
NPI enumeration date
January 19, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(703) 536-1496
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
69
Medical school graduation
1983

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Phong Nguyen practices in Mclean and Reston

Dr. Nguyen's primary practice is KFHP of Mas ESRD - Tysons Corner, at 8008 Westpark Dr, Mclean, VA 22102 in Fairfax County. The practice phone is (703) 536-1496. The NPI Registry lists Dr. Nguyen's practice address as 1850 Town Center Pkwy, Reston, VA 20190.

  • KFHP of Mas ESRD - Tysons CornerPrimary
    8008 Westpark Dr, Mclean, VA 22102 · Fairfax CountyPhone(703) 536-1496
  • NPI Registry address
    1850 Town Center Pkwy, Reston, VA 20190 · Fairfax CountyPhone(703) 287-1075

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Dr. Phong Nguyen is affiliated with 1 site of care and 2 medical groups

Dr. Nguyen's primary practice is KFHP of Mas ESRD - Tysons Corner in Mclean, Virginia. The medical group on file is Mid-Atlantic Permanente Medical Group. Dmand AI also links Dr. Nguyen to 1 more medical group, named with a free account.

See all 3 affiliations for Dr. Nguyen

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Phong Nguyen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Nguyen practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
KFHP of Mas ESRD - Tysons CornerAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Phong Nguyen is one of 339 pulmonologists in Virginia

Pulmonary disease is Dr. Nguyen's primary specialty in the NPI Registry, under taxonomy code 207RP1001X. Dr. Nguyen is licensed in Virginia.

Specialties and state licenses

  • Pulmonary disease, VirginiaPrimaryLicense 0101043746 · taxonomy 207RP1001X

Pulmonologists near Dr. Nguyen

Counts of pulmonologists with a Dmand AI profile, by place and practice. Each opens the list.

339pulmonologists in Virginia
2pulmonologists in Reston

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Phong Nguyen billed Medicare for 12 services in 2021

CMS data shows 12 Medicare services from Dr. Nguyen across 1 procedure code in 2021, all of them office visits. Medicare paid $1,593 for them. Every service was in an office.

Medicare services, 202112
Paid by Medicare$1,593
Procedure codes1

Dr. Nguyen's Medicare services by type, 2019 to 2021

  • 2019
  • 2021
Office and hospital visits
2019: 112021: 129%

Dr. Nguyen compared with the Virginia median for pulmonologists, 2021

  • Dr. Nguyen
  • Virginia median
Medicare services
12vs 74798% below
Part D claims
69vs 59088% below

Medians across 324 pulmonologists in Virginia with Dmand AI profiles that report each measure.

Dr. Nguyen's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Phong Nguyen's patients have a median age of 69

Across all payers, Dmand AI patient panel data puts Dr. Nguyen's median patient age at 69, with 74% women.

Dr. Nguyen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 69

Patient panel by sex, all payers

  • Women74%
  • Men22%

Source: Dmand AI Patient Panel Data

Dr. Phong Nguyen wrote 155 Medicare Part D claims in 2024

In 2024, Dr. Nguyen wrote 155 Medicare Part D claims for 11 patients. 85% of them were for generic drugs. CMS names the drug for 69 of them, across 6 drugs with 11 or more claims each, at $9,272 in total drug cost. In 2022, CMS named 11 claims across 1 drug.

Part D claims, 2024155
Drugs named by CMS6
Total drug cost$9,272
Part D patients11

Dr. Nguyen's Part D claims by kind of drug, 2024

  • Generic131 claims85%
  • Brand-name24 claims15%

Dr. Nguyen'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, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 112024: 69527%

Drugs named by CMS: 6 in 2024, 1 in 2022.

See all prescribing by Dr. Nguyen

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. Phong Nguyen takes part in Medicare

Dr. Nguyen 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. Phong Nguyen has 2 publications on record

Dmand AI links 2 papers to Dr. Nguyen, published from 2022 to 2023.

Papers2
Years published2022 to 2023

Recent publications by Dr. Nguyen

See all 2 publications and co-authors

See who Dr. Nguyen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Nguyen works with, so you can find a warm path to the right pulmonologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Phong Nguyen received $241 in industry payments from 2016 to 2025

CMS Open Payments shows 14 general payments to Dr. Nguyen from 8 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Bristol-Myers Squibb Company paid the most, $62.

General payments to Dr. Nguyen by program year, 2016 to 2025

Companies that paid Dr. Nguyen the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Nguyen

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Phong Nguyen graduated from Virginia Commonwealth University, School of Medicine

Dr. Nguyen graduated from Virginia Commonwealth University, School of Medicine in 1983.

  1. Medical schoolVirginia Commonwealth University, School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Phong Nguyen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Phong Nguyen

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. Phong Nguyen's NPI number?

Dr. Phong Nguyen's NPI number is 1215080668. It was assigned on January 19, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Phong Nguyen?

Dr. Phong Nguyen is a pulmonologist in Reston, Virginia. The primary specialty in the NPI Registry is Pulmonary Disease Physician (taxonomy code 207RP1001X).

Where does Dr. Phong Nguyen practice?

Dr. Nguyen practices at 8008 Westpark Dr, Mclean, VA 22102. Dr. Nguyen also practices at 1850 Town Center Pkwy, Reston, VA 20190. Dr. Nguyen's primary practice is KFHP of Mas ESRD - Tysons Corner in Mclean, Virginia. Dmand AI also links Dr. Nguyen to 1 medical group.

What is Dr. Phong Nguyen's office phone number?

The practice phone on file for Dr. Nguyen is (703) 536-1496.

What is Dr. Phong Nguyen's medical license number?

Dr. Nguyen holds Virginia license 0101043746.

What medical group is Dr. Phong Nguyen part of?

Dr. Nguyen is linked to Mid-Atlantic Permanente Medical Group. Dmand AI links Dr. Nguyen to 1 more medical group.

Does Dr. Phong Nguyen accept Medicare?

Yes. CMS data shows Dr. Nguyen billed Medicare for 12 services in 2021, and Dr. Nguyen accepts Medicare assignment.

What services does Dr. Phong Nguyen bill to Medicare?

In 2021, Dr. Nguyen's most billed Medicare services were office visit, established patient (99214).

Where did Dr. Phong Nguyen go to medical school?

Dr. Nguyen graduated from Virginia Commonwealth University, School of Medicine in 1983.

What drugs does Dr. Phong Nguyen prescribe most?

In 2024 Medicare Part D data, Dr. Nguyen's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Xarelto.

Show 3 more questionsShow fewer questions

Has Dr. Phong Nguyen received payments from drug or device companies?

CMS Open Payments shows $241 in general payments to Dr. Nguyen from 8 companies from 2016 to 2025. The largest total came from Bristol-Myers Squibb Company.

How long has Dr. Phong Nguyen been practicing?

Dr. Nguyen graduated from medical school in 1983, 43 years ago.

Does Dr. Phong Nguyen do research?

Dmand AI links 2 publications to Dr. Nguyen, published from 2022 to 2023.

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