Win Phyu, M.D
Internal Medicine Physician · Gaithersburg, MD
Win Phyu, M.D is an internal medicine physician with a practice address in Gaithersburg, Maryland, and NPI 1770978272, issued on Apr 1, 2015. Check the license (Maryland D84855, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Win Phyu
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D84855 MD
Self-reported in NPPES; status is on the state search - Practice location
- 655 Watkins Mill RD, Gaithersburg, MD 20879
- Phone
- (240) 632-4000
- Enumerated
- Apr 1, 2015
- Record last updated
- May 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20181023000093); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,904 in Maryland → Look up another NPI →
Also registered at 655 Watkins Mill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Win Phyu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D84855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% more Medicare Part D claims than the average internal medicine physician in 2024
3,283 Medicare Part D claims for 363 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium413 claims
- Amlodipine Besylate226 claims
- Losartan Potassium175 claims
- Lisinopril125 claims
- Levothyroxine Sodium122 claims
- Metformin Hcl115 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: $34.60
1 payment: food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Win Phyu among 3,904 internal medicine physician records in Maryland
Win Phyu, M.D is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 77% of them.
- NPI issued2015 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2004 · median 2003 among the 2,445 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
67 internal medicine physician records list a practice address in Gaithersburg
They are 67 of the 2,580 NPPES records with a practice address in Gaithersburg, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Gaithersburg → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Julie Chen, M.D.Gaithersburg, MD 208791629048467
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- Jean Hou, MDGaithersburg, MD 208791750442273
- Shailini Jain, MDGaithersburg, MD 208791588711022
- Supriya Janakiraman, M.D., M.P.H.Gaithersburg, MD 208791114361672
- Poonam Maru, DO, FACPGaithersburg, MD 208791780974329
- Joseph McClain, M.D.Gaithersburg, MD 208791194968297
Common questions
What is Win Phyu, M.D's NPI number?
Win Phyu, M.D's National Provider Identifier (NPI) is 1770978272, issued on Apr 1, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Win Phyu, M.D located?
The NPPES record lists a practice address at 655 Watkins Mill RD, Gaithersburg, MD, 20879. Phone: (240) 632-4000. Providers update this record themselves, so call before visiting.
How can I verify Win Phyu, M.D's license?
NPPES lists Maryland license number D84855, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Win Phyu, M.D prescribe under Medicare Part D?
In 2024, Win Phyu, M.D had 3,283 Medicare Part D claims for 363 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.