Registry data as of Aug 27, 2026

Istvan Hajduk, MD

Pulmonary Disease Physician · Butler, PA

Istvan Hajduk, MD is a pulmonary disease physician with a practice address in Butler, Pennsylvania, and NPI 1174525927, issued on Aug 11, 2005. Check the license (Pennsylvania MD-068525-L, as entered in NPPES) on the Pennsylvania Department of State (PALS); 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
1174525927
Name
Istvan Hajduk
Credential
MD
Primary taxonomy
Pulmonary Disease Physician 207RP1001X
License number
MD-068525-L PA
Self-reported in NPPES; status is on the state search
Practice location
389 New Castle RD, Butler, PA 16001
Phone
(724) 282-2216
Enumerated
Aug 11, 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.
Download card Updates feed

Also registered at 389 New Castle RD

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

  1. Rex Berry, PA-CMedical Physician Assistant1124787098
  2. Hannah Hetzel, CRNPFamily Nurse Practitioner1295002038
  3. Kristyn Holmes, CRNPNurse Practitioner1003473414
  4. Larry Kniess, CRNPNurse Practitioner1629608807
  5. Nicholas LaslavicMedical Physician Assistant1043825987
  6. Sarah Meyers, CRNPFamily Nurse Practitioner1346806957

Verify Istvan Hajduk in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD-068525-L
    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 Pennsylvania 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.

Pulmonary Disease Physician providers in Pennsylvania

There are 527 pulmonary disease physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pulmonary disease physician records in Pennsylvania

  1. Gary Aaronson, DOPhiladelphia, PA1770672040
  2. Joseph Abboud, M.D.Bryn Mawr, PA1295757649
  3. Amgad AbduFranklin, PA1851420392
  4. Jason Ackrivo, MDPhiladelphia, PA1003115395
  5. Michael Ader, M.D.Hanover, PA1275517112
  6. Harwinder Ahluwalia, MDPottsville, PA1447227749
  7. Danish Ahmad, MDHershey, PA1609162445
  8. Vivek Ahya, MDPhiladelphia, PA1346272697
  9. Mazen Al-Qadi, MDPittsburgh, PA1487818886
  10. Steven Albelda, MDPhiladelphia, PA1730111733

Common questions

What is Istvan Hajduk, MD's NPI number?

Istvan Hajduk, MD's National Provider Identifier (NPI) is 1174525927, issued on Aug 11, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Istvan Hajduk, MD located?

The NPPES record lists a practice address at 389 New Castle RD, Butler, PA, 16001. Phone: (724) 282-2216. Providers update this record themselves, so call before visiting.

How can I verify Istvan Hajduk, MD's license?

NPPES lists Pennsylvania license number MD-068525-L, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.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), 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.