NPPES file of Aug 9, 2026

David Jonathan Chafiian, MD

Internal Medicine Physician · Brooklyn, NY

David Jonathan Chafiian, MD is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1013116839, issued on Jul 12, 2007. Check the license (New York 230739, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013116839
Name
David Jonathan Chafiian
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
230739 NY
Self-reported in NPPES; status is on the state search
Practice location
2405 Avenue P, Brooklyn, NY 11229
Phone
(347) 460-8511
Enumerated
Jul 12, 2007
Record last updated
Jul 23, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(516) 570-2494
Medicare enrollment
Enrolled (PECOS I20081124000230); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 2405 Avenue P

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Howard Newhouse, M.D.Cardiovascular Disease Physician1427000256
  2. James Pellegrini, MDAllergy & Immunology (Internal Medicine) Physician1760431829

Verify David Jonathan Chafiian in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 230739
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. North Shore-Lij Medical PCStaten Island, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

1,497 internal medicine physician records list a practice address in Brooklyn

They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.

Other internal medicine physician records in New York

  1. Deborah Aanonsen, D.O.Staten Island, NY1952395717
  2. Nivedita Aanur, M.D.New York, NY1982833471
  3. Jay Aaron, MDGreat Neck, NY1245332956
  4. Ahmad AbadiPoughkeepsie, NY1780258517
  5. Jamsheed Abadi, MDBrooklyn, NY1477537496
  6. Antonieta Abarientos, MDNew Rochelle, NY1649285123
  7. Zurab Abayev, M.D.Brooklyn, NY1841283058
  8. Ehab Abaza, MDNew York, NY1114507555
  9. Vaidarshi Abbagoni, MDNew York, NY1871237495
  10. Muhammad AbbasRichmond Hill, NY1053996587

Common questions

What is David Jonathan Chafiian, MD's NPI number?

David Jonathan Chafiian, MD's National Provider Identifier (NPI) is 1013116839, issued on Jul 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is David Jonathan Chafiian, MD located?

The NPPES record lists a practice address at 2405 Avenue P, Brooklyn, NY, 11229. Phone: (347) 460-8511. Providers update this record themselves, so call before visiting.

How can I verify David Jonathan Chafiian, MD's license?

NPPES lists New York license number 230739, 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.