NPPES file of Aug 9, 2026

Alexander Xinlei Wu, MD

Internal Medicine Physician · Fulton, MD

Alexander Xinlei Wu, MD is an internal medicine physician with a practice address in Fulton, Maryland, and NPI 1831584879, issued on Apr 6, 2015. Check the license (Maryland D0091699, 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
1831584879
Name
Alexander Xinlei Wu
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
D0091699 MD
Self-reported in NPPES; status is on the state search
Practice location
11810 W Market PL # 200, Fulton, MD 20759
Phone
(301) 761-8538
Enumerated
Apr 6, 2015
Record last updated
Jan 7, 2026
Fax
(301) 709-8005
Medicare enrollment
Enrolled (PECOS I20210902000406); accepts Medicare assignment
Medical or professional school
University Of Pittsburgh School Of Medicine, 2015
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 11810 W Market PL # 200

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

  1. Shruti Aggarwal, M.B.B.SCornea and External Diseases Specialist Physician1518372853

Verify Alexander Xinlei Wu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMaryland Board of Physicians
    Search for license D0091699
    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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94% fewer Medicare Part D claims than the average internal medicine physician in 2024

200 Medicare Part D claims for 64 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Alexander Wu200
  2. Specialty average3,176

Most prescribed

  1. Levothyroxine Sodium16 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 practice group's MIPS final score for 2023 (Medicare payment program): 86.8 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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 score86.5
  2. Costout of 100 · 30%72.0
  3. Promoting interoperabilityout of 100 · 25%97.0
  4. Improvement activities40 of 40 points · 15%100.0

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

3 internal medicine physician records list a practice address in Fulton

They are 3 of the 387 NPPES records with a practice address in Fulton, and 3,904 internal medicine physician records in Maryland.

Other internal medicine physician records in Maryland

  1. Eduardo Abarca Rojas, M.D.Parkville, MD1538447628
  2. Rasheed Abassi, M.D.Clinton, MD1376608620
  3. Ghulam Abbas, MDFrederick, MD1477658045
  4. Shamima Abbas, MDKensington, MD1750445896
  5. Nourelhuda Abbas Hamed, MDSilver Spring, MD1699339473
  6. Arsalan Abbasi, MDWestminster, MD1942762604
  7. Hamdi AbdeenGaithersburg, MD1245972413
  8. Mukemil Abdella, M.D.Glenn Dale, MD1871603381
  9. Suzan Abdo, MDClarksville, MD1588631824
  10. Madeeha Abdul GhaffarElkton, MD1194276063

Common questions

What is Alexander Xinlei Wu, MD's NPI number?

Alexander Xinlei Wu, MD's National Provider Identifier (NPI) is 1831584879, issued on Apr 6, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Alexander Xinlei Wu, MD located?

The NPPES record lists a practice address at 11810 W Market PL # 200, Fulton, MD, 20759. Phone: (301) 761-8538. Providers update this record themselves, so call before visiting.

How can I verify Alexander Xinlei Wu, MD's license?

NPPES lists Maryland license number D0091699, 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 Alexander Xinlei Wu, MD prescribe under Medicare Part D?

In 2024, Alexander Xinlei Wu, MD had 200 Medicare Part D claims for 64 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Alexander Xinlei Wu, MD's MIPS final score?

The 2023 MIPS final score is 86.8 of 100, reported for the practice group. 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.