NPPES file of Aug 9, 2026

Jason Hammer, M.D.

Internal Medicine Physician · Plainview, NY

Jason Hammer, M.D. is an internal medicine physician with a practice address in Plainview, New York, and NPI 1982784484, issued on Oct 17, 2006. Check the license (New York 211760, as entered in NPPES) on the NYS Education Department, Office of the Professions; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1982784484
Name
Jason Hammer
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
211760 NY
Self-reported in NPPES; status is on the state search
Practice location
789 Old Country RD, Plainview, NY 11803
Phone
(516) 433-3600
Enumerated
Oct 17, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(516) 433-9490
Medicaid ID
02232240 NY
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →

Also registered at 789 Old Country RD

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

  1. Steven Bourla, M.D.Nephrology Physician1649216367
  2. Haim Brandspiegel, M.D.Cardiovascular Disease Physician1114961968
  3. Robert Hitscherich, M.D.Gastroenterology Physician1205872207
  4. Irwin Ingwer, M.DInfectious Disease Physician1356386239
  5. Ron Kastner, M.D.Internal Medicine Physician1134200058
  6. Sander Leiman, M.D.Cardiovascular Disease Physician1457387680

Verify Jason Hammer 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 211760    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.

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Jason Hammer among 12,067 internal medicine physician records in New York

Jason Hammer, 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 not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 53% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2007 · 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).

35 internal medicine physician records list a practice address in Plainview

They are 35 of the 1,588 NPPES records with a practice address in Plainview, and 12,067 internal medicine physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 12,067 in New York → Every provider in Plainview → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Bhola Banik, MD, PCPlainview, NY 118031306842646
  2. Florence Barricelli, M.D.Plainview, NY 118031861498875
  3. Janet Beccaro, M.D.Plainview, NY 118031922069764
  4. Doris Berland, M.D.Plainview, NY 118031558367409
  5. Jeffrey Goodman, M.D.Plainview, NY 118031962458141
  6. Sangeetha Kamath, MDPlainview, NY 118031972567899
  7. Stuart Kanterman, M.D.Plainview, NY 118031265433098
  8. Frederick Kaplan, M.D.Plainview, NY 118031447295571

Common questions

What is Jason Hammer, M.D.'s NPI number?

Jason Hammer, M.D.'s National Provider Identifier (NPI) is 1982784484, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jason Hammer, M.D. located?

The NPPES record lists a practice address at 789 Old Country RD, Plainview, NY, 11803. Phone: (516) 433-3600. Providers update this record themselves, so call before visiting.

How can I verify Jason Hammer, M.D.'s license?

NPPES lists New York license number 211760, 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.