WIN PHYU M.D
NPI 1770978272
Internal Medicine in Gaithersburg, MD
About Win Phyu M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WIN PHYU M.D (NPI 1770978272) is an individual internal medicine provider in Gaithersburg, Maryland, licensed in Maryland (D84855) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Gaithersburg, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Win Phyu M.d is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Win Phyu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Gaithersburg, MD 20879
- Reassigned Medicare billing, District of Columbia enrollment
- 2,492 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 20879 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GAITHERSBURG, MD 20879
GAITHERSBURG, MD 20879
GAITHERSBURG, MD 20879
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Win Phyu's NPI number?
The NPI number for Win Phyu is 1770978272. It was assigned to this individual provider in the NPPES registry on April 1, 2015.
Where is Win Phyu located?
Win Phyu practices at 655 Watkins Mill Rd, Gaithersburg, MD 20879. The listed phone number is (240) 632-4000.
What is Win Phyu's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Win Phyu enrolled in Medicare?
Yes. Win Phyu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Win Phyu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Win Phyu reassigns Medicare benefits to Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (Gaithersburg, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Win Phyu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Win Phyu was last updated on May 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Win Phyu, M.D · NPI 1770978272
Internal Medicine physician in Gaithersburg, Maryland. Individual provider, active in the CMS NPPES registry since April 1, 2015.
## Identity
- **NPI:** 1770978272 (Entity type: Individual)
- **Enumerated:** April 1, 2015
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D84855 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 655 WATKINS MILL RD, Gaithersburg, MD 20879
- **Phone:** (240) 632-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kaiser Foundation Health Plan Of The Mid Atlantic States, Inc (NPI 1831471713, Gaithersburg, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** May 30, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1770978272) · Data from the CMS NPPES public registry.