NPPES file of Aug 9, 2026

Peter K. Chak, MD

Internal Medicine Physician · Freeport, NY

Peter K. Chak, MD is an internal medicine physician with a practice address in Freeport, New York, and NPI 1316928617, issued on Nov 14, 2005. Check the license (New York NY136699, 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
1316928617
Name
Peter K. Chak
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
NY136699 NY
Self-reported in NPPES; status is on the state search
Practice location
33 North Ocean Ave, Freeport, NY 11520
Phone
(516) 378-4949
Enumerated
Nov 14, 2005
Record last updated
May 16, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(516) 379-8026
Medicaid ID
00393215 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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Verify Peter K. Chak 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 NY136699
    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

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Peter K. Chak among 12,067 internal medicine physician records in New York

Peter K. Chak, MD 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 92% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2008 · 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).

11 internal medicine physician records list a practice address in Freeport

They are 11 of the 679 NPPES records with a practice address in Freeport, 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Muhammad Ali, MDFreeport, NY 115201346221264
  2. Gina Caso, MDFreeport, NY 115201720076060
  3. Jacqueline Delmont, M.D.Freeport, NY 115201144210196
  4. David Grill, MDFreeport, NY 115201316936826
  5. John Ostuni, MDFreeport, NY 115201811985153
  6. Scott Rankin, M.D.Freeport, NY 115201740208933
  7. Atif ShahFreeport, NY 115201598627366
  8. Michael Smar, MDFreeport, NY 115201457349706

Common questions

What is Peter K. Chak, MD's NPI number?

Peter K. Chak, MD's National Provider Identifier (NPI) is 1316928617, issued on Nov 14, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Peter K. Chak, MD located?

The NPPES record lists a practice address at 33 North Ocean Ave, Freeport, NY, 11520. Phone: (516) 378-4949. Providers update this record themselves, so call before visiting.

How can I verify Peter K. Chak, MD's license?

NPPES lists New York license number NY136699, 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.

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.