NPPES file of Aug 9, 2026

Willie M. Yu, M.D.

Pain Medicine (Physical Medicine & Rehabilitation) Physician · Frederick, MD

Willie M. Yu, M.D. is a pain medicine (physical medicine & rehabilitation) physician with a practice address in Frederick, Maryland, and NPI 1881634491, issued on Jun 8, 2006. Check the license (Maryland D0053489, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1881634491
Name
Willie M. Yu
Credential
M.D.
Primary taxonomy
Pain Medicine (Physical Medicine & Rehabilitation) Physician 2081P2900X
License number
D0053489 MD
Self-reported in NPPES; status is on the state search
Practice location
6550 Mercantile Dr E, Frederick, MD 21703
Phone
(301) 668-0888
Enumerated
Jun 8, 2006
Record last updated
Oct 24, 2025
Fax
(301) 668-0999
Medicaid ID
158300000 MD
Medicare enrollment
Enrolled (PECOS I20070621000054); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 6550 Mercantile Dr E

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Lemonnier, D.D.S.General Practice Dentistry1780627778
  2. Mark Pitts, DDSOral and Maxillofacial Surgery (Dentist)1447279120

Verify Willie M. Yu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0053489
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Maryland license search

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89% more Medicare Part D claims than the average pain medicine (physical medicine & rehabilitation) physician in 2024

2,798 Medicare Part D claims for 272 beneficiaries, against an average of 1,479 among the 1,457 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 1,789 claims were for opioids.

  1. Willie Yu2,798
  2. Specialty average1,479

Most prescribed

  1. Oxycodone Hcl754 claims
  2. Oxycodone-Acetaminophen424 claims
  3. Hydrocodone-Acetaminophen250 claims
  4. Gabapentin217 claims
  5. Tramadol Hcl188 claims
  6. Cyclobenzaprine Hcl156 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.

The MIPS final score for 2023 (Medicare payment program): 85 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score73.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%99.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Willie M. Yu among 61 pain medicine (physical medicine & rehabilitation) physician records in Maryland

Willie M. Yu, M.D. is one of 61 pain medicine (physical medicine & rehabilitation) physician records with a practice address in Maryland. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 26% of them.

  • NPI issued2006 · 26% of these records are older, 48% newer
  • In a Medicare fileYes · 66% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1982 · median 2002 among the 38 with a school on file
  • Record last updated2025 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2081P2900X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pain Medicine (Physical Medicine & Rehabilitation) Physician providers in Maryland

There are 61 pain medicine (physical medicine & rehabilitation) physician records in Maryland.

The 8 pain medicine (physical medicine & rehabilitation) physician records with the nearest ZIP codes

  1. Thomas Caruso, D.O.Frederick, MD 217021144333972
  2. Ngozi Efobi, M.D.Hagerstown, MD 217401124091582
  3. Ramakrishna Kosuri, M.D.Hagerstown, MD 217421588624498
  4. Mark Yacyk, D.O.Hagerstown, MD 217421245224401
  5. Mandip Parmar, M.D., PHDSalisbury, MD 218011124021357
  6. Nasima Jaffery, M.D.Salisbury, MD 218041730139304
  7. Gina Ambrose, D.O.Cumberland, MD 215021790044220
  8. Thomas Lee, MDAnnapolis, MD 214011659357911

Common questions

What is Willie M. Yu, M.D.'s NPI number?

Willie M. Yu, M.D.'s National Provider Identifier (NPI) is 1881634491, issued on Jun 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Willie M. Yu, M.D. located?

The NPPES record lists a practice address at 6550 Mercantile Dr E, Frederick, MD, 21703. Phone: (301) 668-0888. Providers update this record themselves, so call before visiting.

How can I verify Willie M. Yu, M.D.'s license?

NPPES lists Maryland license number D0053489, 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 Willie M. Yu, M.D. prescribe under Medicare Part D?

In 2024, Willie M. Yu, M.D. had 2,798 Medicare Part D claims for 272 beneficiaries; the average among pain medicine (physical medicine & rehabilitation) physician prescribers was 1,479. Part D covers Medicare prescriptions only.

What is Willie M. Yu, M.D.'s MIPS final score?

The 2023 MIPS final score is 85 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.