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John Haidinyak, MD
NPI 1750444931 · Anesthesiology Physician · Nacogdoches, TX
John Haidinyak, MD is a Anesthesiology Physician provider in Nacogdoches, TX (NPI 1750444931).
Provider details
- NPI number
- 1750444931
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MDFS222 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4920 Northeast Stallings Drive
Nacogdoches, TX 75961
Phone: (936) 569-9481
Street-level locationGet directions
Mailing address
1329 N University Dr Suite E1
Nacogdoches, TX 75961
Registry dates
- Enumerated
- 2006-12-18
- Last updated
- 2009-03-06
Frequently asked questions
- What is John Haidinyak's NPI number?
- John Haidinyak's National Provider Identifier (NPI) is 1750444931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Haidinyak's specialty?
- John Haidinyak is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is John Haidinyak located?
- John Haidinyak's practice location on file with NPPES is 4920 Northeast Stallings Drive, Nacogdoches, TX 75961.
- What is John Haidinyak's phone number?
- The practice phone number listed in the NPPES registry for John Haidinyak is (936) 569-9481.
- Is John Haidinyak's NPI active?
- Yes — John Haidinyak's NPI (1750444931) is active in the NPPES registry as of the last update on 2009-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.