MR. JOHN GEORGE HAIDINYAK (MD) – Anesthesiology Physician, NPI 1750444931

MR. JOHN GEORGE HAIDINYAK (MD) is a healthcare provider. based in Nacogdoches, Texas. specializing in Anesthesiology Physician. They hold the professional credentials MD. They hold a License No. MDFS222 (TX). The NPI Number for MR. JOHN GEORGE HAIDINYAK (MD) is 1750444931

Main info

Male
51 Years Of Experience
Accepts Medicare Assignment
Name
MR. JOHN GEORGE HAIDINYAK (MD)
NPI
1750444931
Phone
(936) 569-9481
Address
4920 NORTHEAST STALLINGS DRIVE
Enumeration Date
18 December 2006
Last Update Date
6 March 2009

Doctor Profile

Medical School Name
UNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Secondary Phone
9365699481
Graduation Year
1975 (51 years ago)
PAC ID
0648266064
Group Practice PAC ID
1052675667
Professional Enrollment ID
I20080402000506
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for MR. JOHN GEORGE HAIDINYAK (MD)

  • Nacogdoches Medical Center, 4920, Northeast Stallings Drive, Nacogdoches, Nacogdoches County, Texas, 75965, United States

    NACOGDOCHES, TX 75961

    Phone: (936) 569-9481

    Type: Location

  • 1329 N UNIVERSITY DR SUITE E1

    NACOGDOCHES, TX 75961

    Phone: (936) 564-9164

    Fax: (936) 560-2538

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

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No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

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Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 75961)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 1052675667View full group profile
NameSpecialtyState
MR. JERRY L MIXON (CRNA)
-TX
MR. PETER W. BAUBLET (C.R.N.A.)
-TX
MR. RICHARD ZAPATA (CRNA)
-TX

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Frequently asked questions

Does MR. JOHN GEORGE HAIDINYAK (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — MR. JOHN GEORGE HAIDINYAK (MD) uses 1750444931.
Does the file indicate MR. JOHN GEORGE HAIDINYAK (MD) is practicing under active NPI?
Directory data currently reports MR. JOHN GEORGE HAIDINYAK (MD) as active.
What is MR. JOHN GEORGE HAIDINYAK (MD)'s specialty?
The listing groups MR. JOHN GEORGE HAIDINYAK (MD) with Anesthesiology Physician. Clinical services aligned with this taxonomy classification.
What address line appears for MR. JOHN GEORGE HAIDINYAK (MD)?
MR. JOHN GEORGE HAIDINYAK (MD)'s geographic hint is Nacogdoches, Texas in our summary view.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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