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Anesthesiology

John Hairr, MD

Works at hospitals in Plano, TX · Frisco, TX · Texas

Summary

Dr. John Hairr, MD is an anesthesiologist at 1500 Citywest Blvd, Suite 300, Houston, TX 77042. Phone: (713) 620-4000. Accepts Medicare assignment. In 2024, John Hairr had 226 Original Medicare patients and 256 services. NPI 1235270661. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about John Hairr, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does John Hairr accept Medicare assignment?
Yes. Medicare's clinician data says John Hairr accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does John Hairr see?
In 2024, CMS data shows 226 Original Medicare patients and 256 services for John Hairr. This counts Original Medicare only and measures volume, not quality.
What is John Hairr's NPI number?
1235270661. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for John Hairr, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients226
Services billed to Medicare256
Different services or procedures65
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance (01938)62 services
  2. Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of neck or upper back accessed through skin using imaging guidance (01937)15 services
  3. Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)13 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis75%
  • Diabetes31%
  • Anxiety31%
  • Ischemic heart disease28%

Hospitals where John Hairr works

Medicare's Facility Affiliation Data lists John Hairr at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where John Hairr is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists John Hairr as a member of this group (CMS data updated October 2, 2026).

  • U S Anesthesia Partners of Texas, PA2,752 clinicians in the group

Specialties

Find other Anesthesiology doctors in Texas →

Other anesthesiologists in Houston

Clinicians with the same Medicare primary specialty in Houston, TX — not a recommendation.

All anesthesiologists in Houston →

Other clinicians in U S Anesthesia Partners of Texas, PA

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolMedical College Of Georgia School Of Medicine
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1235270661
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians