NPPES file of Aug 9, 2026

Peter D. Oldak, M.D.

Emergency Medicine Physician · Clinton, MA

Peter D. Oldak, M.D. is an emergency medicine physician with a practice address in Clinton, Massachusetts, and NPI 1164404851, issued on Nov 17, 2005. Check the license (Massachusetts 34334, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; 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
1164404851
Name
Peter D. Oldak
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
34334 MA
Self-reported in NPPES; status is on the state search
Practice location
201 Highland St, Clinton, MA 01510
Phone
(978) 368-3000
Enumerated
Nov 17, 2005
Record last updated
Jul 13, 2026
Medicaid ID
3101673 MA
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 emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →

Also registered at 201 Highland St

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

  1. Jennifer Baer, PTPhysical Therapist1841663994
  2. Laura Cerundolo, MS, RD, LDNRegistered Dietitian1205478708
  3. Tammy Chamberland, NURSE PRACTITIONERNurse Practitioner1528348745
  4. Youssef Chehade, M.D.Surgery Physician1831197029
  5. Gene Francis Del Rosario, MDInternal Medicine Physician1023074986
  6. Rajesh Dharampuriya, M.D.Internal Medicine Physician1992801971

Verify Peter D. Oldak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
    Search for license 34334    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 Massachusetts 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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Peter D. Oldak among 1,829 emergency medicine physician records in Massachusetts

Peter D. Oldak, M.D. is one of 1,829 emergency medicine physician records with a practice address in Massachusetts. 82% 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, 91% newer
  • In a Medicare fileNo · 82% of these records are
  • In the CMS Doctors and Clinicians fileNo · 66% of these records are
  • Record last updated2026 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

2 emergency medicine physician records list a practice address in Clinton

They are 2 of the 106 NPPES records with a practice address in Clinton, and 1,829 emergency medicine physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,829 in Massachusetts → Every provider in Clinton → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Birendra Sinha, M.D.Clinton, MA 015101649209792
  2. Mary-Elise Smith, MDCharlton, MA 015071083680128
  3. Allison Darvish, DOHolden, MA 015201588952451
  4. Richard Freniere, DOHolden, MA 015201023008745
  5. Donald Jackel, DOHolden, MA 015201497745160
  6. Rock Jean-Guillaume, D.O.Holden, MA 015201730157918
  7. William O'Callahan, MDHolden, MA 015201114964186
  8. Peter Rugg, MDHolden, MA 015201508856121

Common questions

What is Peter D. Oldak, M.D.'s NPI number?

Peter D. Oldak, M.D.'s National Provider Identifier (NPI) is 1164404851, issued on Nov 17, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Peter D. Oldak, M.D. located?

The NPPES record lists a practice address at 201 Highland St, Clinton, MA, 01510. Phone: (978) 368-3000. Providers update this record themselves, so call before visiting.

How can I verify Peter D. Oldak, M.D.'s license?

NPPES lists Massachusetts license number 34334, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. 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.