Matthew C. Lam, MD
Hospitalist Physician · New York, NY
Matthew C. Lam, MD is a hospitalist physician with a practice address in New York, New York, and NPI 1932728219, issued on Apr 16, 2020. Check the license (New York 317317, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Matthew C. Lam
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 317317 NY
Self-reported in NPPES; status is on the state search - Practice location
- 550 1St Ave, New York, NY 10016
- Phone
- (212) 263-5506
- Enumerated
- Apr 16, 2020
- Record last updated
- Sep 18, 2023
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 2,067 in New York → Look up another NPI →
Also registered at 550 1St Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew C. Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 317317Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average hospitalist physician in 2024
64 Medicare Part D claims for 16 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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.
Matthew C. Lam among 2,067 hospitalist physician records in New York
Matthew C. Lam, MD is one of 2,067 hospitalist physician records with a practice address in New York. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 75% of them.
- NPI issued2020 · 75% of these records are older, 17% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileNo · 83% of these records are
- Record last updated2023 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in New York
There are 2,067 hospitalist physician records in New York.
All 2,067 in New York → Every provider in New York → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- John Chelico, MD, MA, FACPNew York, NY 100161932328754
- Cindy Fang, M.D.New York, NY 100161487915070
- Arpit Gupta, MDNew York, NY 100161295099448
- Adam Harris, M.D.New York, NY 100161336586551
- Brianna Knoll, MDNew York, NY 100161649661364
- James Lebret, MDNew York, NY 100161457518870
- Richard Lin, M.D., PH.D.New York, NY 100161952598898
- Nikita Nagpal, MDNew York, NY 100161366862575
Common questions
What is Matthew C. Lam, MD's NPI number?
Matthew C. Lam, MD's National Provider Identifier (NPI) is 1932728219, issued on Apr 16, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Matthew C. Lam, MD located?
The NPPES record lists a practice address at 550 1St Ave, New York, NY, 10016. Phone: (212) 263-5506. Providers update this record themselves, so call before visiting.
How can I verify Matthew C. Lam, MD's license?
NPPES lists New York license number 317317, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew C. Lam, MD prescribe under Medicare Part D?
In 2024, Matthew C. Lam, MD had 64 Medicare Part D claims for 16 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
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.