Donald Bertram Chalfin, MD
Critical Care Medicine (Internal Medicine) Physician · Bronx, NY
Donald Bertram Chalfin, MD is a critical care medicine (internal medicine) physician with a practice address in Bronx, New York, and NPI 1366479545, issued on Jun 26, 2006. Check the license (New York 172001-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Donald Bertram Chalfin
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- 172001-1 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1825 Eastchester Road/4th Floor, Bronx, NY 10461
- Phone
- (718) 904-3141
- Enumerated
- Jun 26, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141203000052); accepts Medicare assignment
- Medical or professional school
- Icahn School Of Medicine At Mount Sinai, 1985
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 486 in New York → Look up another NPI →
Verify Donald Bertram Chalfin 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 172001-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Ccmma CA PCBerkeley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Bertram Chalfin among 486 critical care medicine (internal medicine) physician records in New York
Donald Bertram Chalfin, MD is one of 486 critical care medicine (internal medicine) physician records with a practice address in New York. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 67% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1985 · median 2006 among the 389 with a school on file
- Record last updated2007 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0200X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in New York
There are 486 critical care medicine (internal medicine) physician records in New York.
All 486 in New York → Every provider in Bronx → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Peter Dicpinigaitis, MDBronx, NY 104611194815993
- Perminder GulaniBronx, NY 104611407118375
- Gavin Harris, M.D.Bronx, NY 104611295176691
- Sumit Kapoor, MDBronx, NY 104611427322478
- Manoj Karwa, MDBronx, NY 104611487735809
- Matthew Langston, MDBronx, NY 104611154597201
- Daniela Levi, MDBronx, NY 104611144301565
- Amer Zwein, M.DBronx, NY 104611881140135
Common questions
What is Donald Bertram Chalfin, MD's NPI number?
Donald Bertram Chalfin, MD's National Provider Identifier (NPI) is 1366479545, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Bertram Chalfin, MD located?
The NPPES record lists a practice address at 1825 Eastchester Road/4th Floor, Bronx, NY, 10461. Phone: (718) 904-3141. Providers update this record themselves, so call before visiting.
How can I verify Donald Bertram Chalfin, MD's license?
NPPES lists New York license number 172001-1, 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.
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.