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Anesthesiology

Michael L. Hieb, MD

Works at hospitals in Chico, CA · California

Summary

Dr. Michael L. Hieb, MD is an anesthesiologist at 1531 Esplanade, Chico, CA 95926. Phone: (530) 332-7330. Accepts Medicare assignment. In 2024, Michael L. Hieb had 425 Original Medicare patients and 584 services. NPI 1639106800. 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.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 1531 Esplanade, Chico, CA 95926 · Directions
  • Phone: (530) 332‑7330
  • Medicare: Accepts Medicare assignment
  • Hospital: Enloe Health
  • Group practice: Northstate Anesthesiology Partners a Medical Corporation
  • Medical school: Loma Linda University School Of Medicine · graduated 1997 (29 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Michael L. Hieb, 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 Michael L. Hieb accept Medicare assignment?
Yes. Medicare's clinician data says Michael L. Hieb 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 Michael L. Hieb see?
In 2024, CMS data shows 425 Original Medicare patients and 584 services for Michael L. Hieb. This counts Original Medicare only and measures volume, not quality.
What is Michael L. Hieb's NPI number?
1639106800. 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 Michael L. Hieb, 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 patients425
Services billed to Medicare584
Different services or procedures75
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)77 services
  2. Anesthesia for other procedure on large bowel using an endoscope (00811)63 services
  3. Insertion of artery tube for blood sampling or infusion through skin (36620)26 services
  4. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)23 services
  5. Injection of anesthetic agent and/or steroid into other nerve or branch (64450)23 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%
  • Arthritis45%
  • Diabetes33%
  • Ischemic heart disease31%
  • Chronic kidney disease30%

Hospitals where Michael L. Hieb works

Medicare's Facility Affiliation Data lists Michael L. Hieb 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.

  • Enloe HealthChico, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050039

Practice locations

Addresses where Michael L. Hieb is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Michael L. Hieb as a member of this group (CMS data updated October 2, 2026).

  • Northstate Anesthesiology Partners a Medical Corporation25 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Chico

Clinicians with the same Medicare primary specialty in Chico, CA — not a recommendation.

All anesthesiologists in Chico →

Other clinicians in Northstate Anesthesiology Partners a Medical Corporation

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

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639106800
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