Leon Liang-Yu Lai, MD
Infectious Disease Physician · Washington, DC
Leon Liang-Yu Lai, MD is an infectious disease physician with a practice address in Washington, District of Columbia, and NPI 1902856008, issued on May 11, 2006. Check the license (District of Columbia MD034727, as entered in NPPES) on the District of Columbia Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Leon Liang-Yu Lai
- Credential
- MD
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- MD034727 DC
Self-reported in NPPES; status is on the state search - Practice location
- 110 Irving St NW, Washington, DC 20010
- Phone
- (202) 877-2848
- Enumerated
- May 11, 2006
- Record last updated
- Mar 9, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid IDs
- 010071755 VA
0335703400 DC
405008800 MD - Medicare enrollment
- Enrolled (PECOS I20040805001646); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 1997
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 110 in District of Columbia → Look up another NPI →
Also registered at 110 Irving St NW
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Leon Liang-Yu Lai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDistrict of Columbia Board of Medicine
Search for license MD034727Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average infectious disease physician in 2024
402 Medicare Part D claims for 54 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 56% of claims.
Most prescribed
- Biktarvy49 claims
- Juluca43 claims
- Triumeq25 claims
- Tivicay20 claims
- Isentress18 claims
- Ritonavir16 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): 96 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- 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).
Leon Liang-Yu Lai among 110 infectious disease physician records in District of Columbia
Leon Liang-Yu Lai, MD is one of 110 infectious disease physician records with a practice address in District of Columbia. 59% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 49% newer
- In a Medicare fileYes · 59% of these records are
- In the CMS Doctors and Clinicians fileYes · 42% of these records are
- Graduated1997 · median 1998 among the 46 with a school on file
- Record last updated2009 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X 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).
Infectious Disease Physician providers in District of Columbia
There are 110 infectious disease physician records in District of Columbia.
All 110 in District of Columbia → Every provider in Washington → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Krishna Dass, M.DWashington, DC 200101598739724
- Dawn Fishbein, MDWashington, DC 200101568562361
- Anjali MajumdarWashington, DC 200101497177455
- Sheena Ramdeen, M.D.Washington, DC 200101932338225
- Rosemary Tiernan, MD, MPHWashington, DC 200101235296807
- Christian Woods, MDWashington, DC 200101477507820
- Glenn Wortmann, M.D.Washington, DC 200101518053529
- Sarah Ali, MDWashington, DC 200091083848766
Common questions
What is Leon Liang-Yu Lai, MD's NPI number?
Leon Liang-Yu Lai, MD's National Provider Identifier (NPI) is 1902856008, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Leon Liang-Yu Lai, MD located?
The NPPES record lists a practice address at 110 Irving St NW, Washington, DC, 20010. Phone: (202) 877-2848. Providers update this record themselves, so call before visiting.
How can I verify Leon Liang-Yu Lai, MD's license?
NPPES lists District of Columbia license number MD034727, 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.
How much does Leon Liang-Yu Lai, MD prescribe under Medicare Part D?
In 2024, Leon Liang-Yu Lai, MD had 402 Medicare Part D claims for 54 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Leon Liang-Yu Lai, MD's MIPS final score?
The 2023 MIPS final score is 96 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.