NPPES file of Aug 9, 2026

John Junshan Liang, MD

Anatomic Pathology & Clinical Pathology Physician · Washington, DC

John Junshan Liang, MD is an anatomic pathology & clinical pathology physician with a practice address in Washington, District of Columbia, and NPI 1487788808, issued on Mar 15, 2007. Check the license (District of Columbia MD038874, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1487788808
Name
John Junshan Liang
Credential
MD
Primary taxonomy
Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
License number
MD038874 DC
Self-reported in NPPES; status is on the state search
Practice location
110 Irving St NW, Washington, DC 20010
Phone
(202) 877-6190
Enumerated
Mar 15, 2007
Record last updated
Aug 16, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(202) 877-3820
Medicare enrollment
Enrolled (PECOS I20101029001071); 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 110 Irving St NW

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

  1. Margarita Abbey, NPNurse Practitioner1841245487
  2. Lauren Abbott, M.D.Emergency Medicine Physician1356576383
  3. Taha Abdalla, MDNeonatal-Perinatal Medicine Physician1225016587
  4. Mouin Abdallah, MDCardiovascular Disease Physician1063498780
  5. Waseem Abdallah, M.D.Psychiatry Physician1265961452
  6. Samer Abdel Al, MDOrthopaedic Surgery Physician1558778548

Verify John Junshan Liang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
    Search for license MD038874
    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 District of Columbia license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The practice group's MIPS final score for 2023 (Medicare payment program): 76.6 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 score63.2
  2. Costout of 100 · 30%55.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  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).

Bills Medicare through one group practice

  1. Medstar Medical Group II LLCWashington, DC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Junshan Liang among 81 anatomic pathology & clinical pathology physician records in District of Columbia

John Junshan Liang, MD is one of 81 anatomic pathology & clinical pathology physician records with a practice address in District of Columbia. 44% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 41% newer
  • In a Medicare fileYes · 44% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated1985 · median 2006 among the 33 with a school on file
  • Record last updated2010 · 49% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a District of Columbia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anatomic Pathology & Clinical Pathology Physician providers in District of Columbia

There are 81 anatomic pathology & clinical pathology physician records in District of Columbia.

The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes

  1. Dhruv Agrawal, MDWashington, DC 200101659361186
  2. Maria Almira Suarez, MDWashington, DC 200101184800666
  3. Tom Deng, MDWashington, DC 200101427048966
  4. Thomas Godwin, MDWashington, DC 200101316937857
  5. Charmaine Joyce IlaganWashington, DC 200101225598287
  6. Ernest Lack, MDWashington, DC 200101023008562
  7. Wen Lee, MDWashington, DC 200101184614299
  8. Shikha Malhotra, MBBSWashington, DC 200101124672308

Common questions

What is John Junshan Liang, MD's NPI number?

John Junshan Liang, MD's National Provider Identifier (NPI) is 1487788808, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is John Junshan Liang, MD located?

The NPPES record lists a practice address at 110 Irving St NW, Washington, DC, 20010. Phone: (202) 877-6190. Providers update this record themselves, so call before visiting.

How can I verify John Junshan Liang, MD's license?

NPPES lists District of Columbia license number MD038874, as entered by the provider. Search the District of Columbia Board of Medicine at https://dchealth.dc.gov/bomed. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is John Junshan Liang, MD's MIPS final score?

The 2023 MIPS final score is 76.6 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.