Leon Lai, MD
NPI 1902856008 · Infectious Disease Physician · Washington, DC
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leon Lai, MD is a Infectious Disease Physician provider in Washington, DC (NPI 1902856008).
Provider details
- NPI number
- 1902856008
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD034727 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
360 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 158 | $133 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 75 | $87 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 67 | $197 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 43 | $108 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 17 | $149 |
Typical Medicare-allowed amounts for these services range $87–$197 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 49 |
| Dolutegravir/Rilpivirinebrand: Juluca | 43 |
| Abacavir/Dolutegravir/Lamivudibrand: Triumeq | 25 |
| Dolutegravir Sodiumbrand: Tivicay | 20 |
| Raltegravir Potassiumbrand: Isentress | 18 |
| Ritonavir | 16 |
| Valacyclovir Hclbrand: Valacyclovir | 15 |
| Tenofovir Disoproxil Fumarate | 14 |
| Amoxicillin | 12 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-11
- Last updated
- 2009-03-09
Frequently asked questions
- What is Leon Lai's NPI number?
- Leon Lai's National Provider Identifier (NPI) is 1902856008, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leon Lai's specialty?
- Leon Lai is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Leon Lai located?
- Leon Lai's practice location on file with NPPES is 110 Irving St Nw, Washington, DC 20010-2976.
- What is Leon Lai's phone number?
- The practice phone number listed in the NPPES registry for Leon Lai is (202) 877-2848.
- Does Leon Lai accept Medicare?
- Leon Lai is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leon Lai's NPI active?
- Yes — Leon Lai's NPI (1902856008) is active in the NPPES registry as of the last update on 2009-03-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.