Chanwoo Nam, M.D.
Internal Medicine Physician · Buffalo, NY
Chanwoo Nam, M.D. is an internal medicine physician with a practice address in Buffalo, New York, and NPI 1649890179, issued on Apr 24, 2020. Check the license (New York 334365, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Chanwoo Nam
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 334365 NY
Self-reported in NPPES; status is on the state search - Practice location
- 462 Grider Street, Buffalo, NY 14215
- Phone
- (607) 247-2200
- Enumerated
- Apr 24, 2020
- Record last updated
- Aug 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20250908003805); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 462 Grider Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Benjamin Asa, MB. BCH. BAO.Student in an Organized Health Care Education/Training Program1659863959
- Andrew Atia, M.D.Student in an Organized Health Care Education/Training Program1326536947
Verify Chanwoo Nam 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 334365Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
100 Medicare Part D claims for 38 beneficiaries, against an average of 3,176 among the 108,855 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.
2 hospitals and group practices
- St James HospitalHornell, NY · Acute Care Hospitals3 of 5 stars
- Strong Renal GroupRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Chanwoo Nam among 12,067 internal medicine physician records in New York
Chanwoo Nam, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% 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 87% of them.
- NPI issued2020 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2015 · median 2002 among the 7,221 with a school on file
- Record last updated2025 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
293 internal medicine physician records list a practice address in Buffalo
They are 293 of the 13,287 NPPES records with a practice address in Buffalo, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Buffalo → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Miriam Kwon, M.D.Buffalo, NY 142151962427336
- Nelda Lawler, M.D.Buffalo, NY 142151154303196
- Sanford Levy, MDBuffalo, NY 142151700844826
- Anthony Martinez, M.D.Buffalo, NY 142151598712754
- Nancy Peters, MDBuffalo, NY 142151932137122
Common questions
What is Chanwoo Nam, M.D.'s NPI number?
Chanwoo Nam, M.D.'s National Provider Identifier (NPI) is 1649890179, issued on Apr 24, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Chanwoo Nam, M.D. located?
The NPPES record lists a practice address at 462 Grider Street, Buffalo, NY, 14215. Phone: (607) 247-2200. Providers update this record themselves, so call before visiting.
How can I verify Chanwoo Nam, M.D.'s license?
NPPES lists New York license number 334365, 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 Chanwoo Nam, M.D. prescribe under Medicare Part D?
In 2024, Chanwoo Nam, M.D. had 100 Medicare Part D claims for 38 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.