Dr. Matthew C. Lam, MD
- Medicare services, 2024
- 406
- Medicare patients, 2024
- 129
- Part D claims, 2024
- 64
- MIPS score, 2024
- 91
- Hospital affiliations
- 1
- Practice address
- 550 First Avenue, New York, NY 10016
- Practice phone
- Call (212) 263-7300
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Matthew C. Lam is a hospitalist in Brooklyn, New York
Dr. Lam practices at Tisch Hospital in New York, New York, part of NYU.
Dr. Lam's NPI, 1932728219, was assigned on April 16, 2020. Dr. Lam holds New York license 317317.
- NPI
- 1932728219NPI Registry (opens in a new tab)
- NPI enumeration date
- April 16, 2020
- NPI status
- Active
- Practice phone
- (212) 263-7300
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Matthew C. Lam practices in New York and Brooklyn
Dr. Lam's primary practice is Tisch Hospital, at 550 First Avenue, New York, NY 10016 in New York County. The practice phone is (212) 263-7300. The NPI Registry lists Dr. Lam's practice address as 150 55th St, Brooklyn, NY 11220.
- Tisch HospitalPrimary550 First Avenue, New York, NY 10016 · New York CountyPhone(212) 263-7300
- NPI Registry address150 55th St, Brooklyn, NY 11220 · Kings CountyPhone(212) 263-5506
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Matthew C. Lam is affiliated with 1 site of care and 1 medical group
Dr. Lam's primary practice is Tisch Hospital in New York, New York, part of NYU. The medical group on file is NYU Langone Orthopedic Surgery Associates.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Matthew C. Lam's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lam practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tisch Hospital | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Matthew C. Lam is one of 1,796 hospitalists in New York
Hospitalist is Dr. Lam's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Lam is licensed in New York.
Specialties and state licenses
- Hospitalist, New YorkPrimary
Hospitalists near Dr. Lam
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Matthew C. Lam billed Medicare for 406 services in 2024
CMS data shows 406 Medicare services from Dr. Lam across 5 procedure codes in 2024, for 129 Medicare patients. Medicare paid $34,654 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lam's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1632024: 406149%
Dr. Lam compared with the New York median for hospitalists, 2024
- Dr. Lam
- New York median
- Medicare services
- 406vs 388Close to median
- Medicare patients
- 129vs 16321% below
- Part D claims
- 43vs 5522% below
Medians across 1,696 hospitalists in New York with Dmand AI profiles that report each measure.
Dr. Lam's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Matthew C. Lam treated 129 Medicare patients in 2024, average age 81
CMS counts 129 Medicare patients who saw Dr. Lam in 2024. The largest group is 75 to 84, with 52 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 53% are also on Medicaid. Their average risk score is 3.29, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lam's median patient age at 69, with 33% women.
Dr. Lam's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Lam's Medicare patients by sex, 2024
- Women7659%
- Men5341%
Chronic conditions among Dr. Lam's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease69%
- Ischemic heart disease69%
- Arthritis68%
- Diabetes67%
- Heart failure66%
- Atrial fibrillation52%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lam's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women33%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Matthew C. Lam wrote 64 Medicare Part D claims in 2024
In 2024, Dr. Lam wrote 64 Medicare Part D claims for 16 patients. 81% of them were for generic drugs. CMS names the drug for 43 of them, across 3 drugs with 11 or more claims each, at $6,407 in total drug cost.
Dr. Lam's Part D claims by kind of drug, 2024
- Generic52 claims81%
- Brand-name and other12 claims19%
Dr. Lam's most prescribed drugs by claims, 2021
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Matthew C. Lam scored 91 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 91 out of 100 for Dr. Lam for performance year 2024, reported as part of a group.
Dr. Lam's MIPS scores, performance year 2024
- 91of 100Final score
- 91.8of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Matthew C. Lam received $223 in industry payments in 2025
CMS Open Payments shows 4 general payments to Dr. Lam from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. HeartFlow, Inc. paid the most, $144.
Companies that paid Dr. Lam the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Matthew C. Lam's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Matthew C. Lam
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What is Dr. Matthew C. Lam's NPI number?
Dr. Matthew C. Lam's NPI number is 1932728219. It was assigned on April 16, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Matthew C. Lam?
Dr. Matthew C. Lam is a hospitalist in Brooklyn, New York. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Matthew C. Lam practice?
Dr. Lam practices at 550 First Avenue, New York, NY 10016. Dr. Lam also practices at 150 55th St, Brooklyn, NY 11220. Dr. Lam's primary practice is Tisch Hospital in New York, New York, part of NYU.
What is Dr. Matthew C. Lam's office phone number?
The practice phone on file for Dr. Lam is (212) 263-7300.
What is Dr. Matthew C. Lam's medical license number?
Dr. Lam holds New York license 317317.
Which hospitals is Dr. Matthew C. Lam affiliated with?
Dr. Lam practices at Tisch Hospital in New York, New York.
What medical group is Dr. Matthew C. Lam part of?
Dr. Lam is linked to NYU Langone Orthopedic Surgery Associates.
Does Dr. Matthew C. Lam accept Medicare?
Yes. CMS data shows Dr. Lam billed Medicare for 406 services in 2024.
What is Dr. Matthew C. Lam's MIPS score?
Dr. Lam's MIPS final score for performance year 2024 is 91 out of 100, reported as part of a group.
How many Medicare patients does Dr. Matthew C. Lam see?
CMS counts 129 Medicare patients who saw Dr. Lam in 2024, with an average age of 81.
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What services does Dr. Matthew C. Lam bill to Medicare?
In 2024, Dr. Lam's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99239).
What drugs does Dr. Matthew C. Lam prescribe most?
In 2021 Medicare Part D data, Dr. Lam's most prescribed drugs by claims were Atorvastatin Calcium, Eliquis and Furosemide.
Has Dr. Matthew C. Lam received payments from drug or device companies?
CMS Open Payments shows $223 in general payments to Dr. Lam from 4 companies from 2025 to 2025. The largest total came from HeartFlow, Inc.
How long has Dr. Matthew C. Lam been practicing?
Dr. Lam graduated from medical school in 2020, 6 years ago.
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