Registry data as of Aug 27, 2026

Peter Terhaar, D.O.

Orthopaedic Surgery Physician · Olean, NY

Peter Terhaar, D.O. is an orthopaedic surgery physician with a practice address in Olean, New York, and NPI 1184622821, issued on Jul 7, 2005. Check the license (New York 169205, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1184622821
Name
Peter Terhaar
Credential
D.O.
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
169205 NY
Self-reported in NPPES; status is on the state search
Practice location
2626 W State St, Olean, NY 14760
Phone
(716) 373-1590
Enumerated
Jul 7, 2005
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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Also registered at 2626 W State St

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

  1. Carmella Bartimole, PH.D., LMHCMental Health Counselor1508186339
  2. Jessica Dossey, FNPFamily Nurse Practitioner1619759925
  3. Thayaparan Mathanakaran, M.DAdult Medicine Physician1891734430
  4. Ruth Palmquist, LMHCMental Health Counselor1164625521
  5. Paula Wojewoda, LMHCMental Health Counselor1508264573

Verify Peter Terhaar 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 169205
    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.

Orthopaedic Surgery Physician providers in New York

There are 1,455 orthopaedic surgery physician records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other orthopaedic surgery physician records in New York

  1. Amr Abdelgawad, M.D.Brooklyn, NY1720228547
  2. Zachary Aberman, M.D.Plainview, NY1679005391
  3. Robert Ablove, MDBuffalo, NY1114982865
  4. J. David Abraham, MDAlbany, NY1285601005
  5. Armand Abulencia, MDHuntington, NY1093733545
  6. John Acampa, M.D.Bay Shore, NY1982606257
  7. Albert Accettola, MDStaten Island, NY1972584696
  8. Paul Ackerman, MDBrooklyn, NY1306899786
  9. Andrzej Adamski, M.D., F.I.C.S.Montour Falls, NY1194021394
  10. Nikhil Adapa, MDNew York, NY1548882368

Common questions

What is Peter Terhaar, D.O.'s NPI number?

Peter Terhaar, D.O.'s National Provider Identifier (NPI) is 1184622821, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Peter Terhaar, D.O. located?

The NPPES record lists a practice address at 2626 W State St, Olean, NY, 14760. Phone: (716) 373-1590. Providers update this record themselves, so call before visiting.

How can I verify Peter Terhaar, D.O.'s license?

NPPES lists New York license number 169205, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.