Brian Chernak, MD
Internal Medicine Physician · New York, NY
Brian Chernak, MD is an internal medicine physician with a practice address in New York, New York, and NPI 1659877330, issued on Apr 2, 2018. Check the license (New York 302301, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Brian Chernak
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 302301 NY
Self-reported in NPPES; status is on the state search - Practice location
- 530 E 74TH St, New York, NY 10021
- Phone
- (212) 639-2194
- Enumerated
- Apr 2, 2018
- Entity
- Type 1 · individual
Also registered at 530 E 74TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alicia Assini, FNPFamily Nurse Practitioner1700314820
- Mark Awad, MD, PHDMedical Oncology Physician1831359355
- Sarah BleicherAcute Care Nurse Practitioner1881213346
- Alexander Boardman, MDHematology & Oncology Physician1588194286
- Danielle Cassel, PA-CPhysician Assistant1093357410
Verify Brian Chernak 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 302301Check 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
85 Medicare Part D claims for 27 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of 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.
Industry payments in 2024: $4,483.36
8 payments, mostly food and beverage; the largest payer was Sobi, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Memorial Hematology Lymphoma GroupNew York, NY
- Msk MonmouthMiddletown, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 2,434 in New York → All 12,067 in New York → Every provider in New York →
Other internal medicine physician records in New York
- Deborah Aanonsen, D.O.Staten Island, NY1952395717
- Nivedita Aanur, M.D.New York, NY1982833471
- Jay Aaron, MDGreat Neck, NY1245332956
- Ahmad AbadiPoughkeepsie, NY1780258517
- Jamsheed Abadi, MDBrooklyn, NY1477537496
- Antonieta Abarientos, MDNew Rochelle, NY1649285123
- Zurab Abayev, M.D.Brooklyn, NY1841283058
- Ehab Abaza, MDNew York, NY1114507555
- Vaidarshi Abbagoni, MDNew York, NY1871237495
- Muhammad AbbasRichmond Hill, NY1053996587
Common questions
What is Brian Chernak, MD's NPI number?
Brian Chernak, MD's National Provider Identifier (NPI) is 1659877330, issued on Apr 2, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Brian Chernak, MD located?
The NPPES record lists a practice address at 530 E 74TH St, New York, NY, 10021. Phone: (212) 639-2194. Providers update this record themselves, so call before visiting.
How can I verify Brian Chernak, MD's license?
NPPES lists New York license number 302301, 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 Brian Chernak, MD prescribe under Medicare Part D?
In 2024, Brian Chernak, MD had 85 Medicare Part D claims for 27 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), loaded Aug 27, 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) 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 27, 2026.