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Anesthesiology

Kerry J. Hollenbeck, MD

Works at hospitals in Fort Bragg, CA · Lakeport, CA · California

Summary

Dr. Kerry J. Hollenbeck, MD is an anesthesiologist at 1165 Montgomery Dr, Santa Rosa, CA 95405. Phone: (707) 546-3210. Accepts Medicare assignment. In 2024, Kerry J. Hollenbeck had 229 Original Medicare patients and 285 services. NPI 1225018278. 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: 1165 Montgomery Dr, Santa Rosa, CA 95405 · Directions (2 more locations)
  • Phone: (707) 546‑3210
  • Medicare: Accepts Medicare assignment
  • Hospitals: Adventist Health Mendocino Coast, Sutter Lakeside Hospital
  • Group practice: Anesthesia and Analgesia Medical Group Inc (+1 more)
  • Medical school: Uniformed Services Uhs Fe Hebert School Of Med · graduated 2003 (23 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Kerry J. Hollenbeck, 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 Kerry J. Hollenbeck accept Medicare assignment?
Yes. Medicare's clinician data says Kerry J. Hollenbeck 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 Kerry J. Hollenbeck see?
In 2024, CMS data shows 229 Original Medicare patients and 285 services for Kerry J. Hollenbeck. This counts Original Medicare only and measures volume, not quality.
What is Kerry J. Hollenbeck's NPI number?
1225018278. 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 Kerry J. Hollenbeck, 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 patients229
Services billed to Medicare285
Different services or procedures59
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for other procedure on large bowel using an endoscope (00811)41 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)33 services
  3. Anesthesia for lens surgery (00142)29 services
  4. Anesthesia for exam of colon using an endoscope (00812)14 services
  5. Ultrasonic guidance for blood vessel access (76937)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 pressure74%
  • High cholesterol72%
  • Arthritis54%
  • Anxiety34%
  • Chronic kidney disease33%
  • Ischemic heart disease28%

Hospitals where Kerry J. Hollenbeck works

Medicare's Facility Affiliation Data lists Kerry J. Hollenbeck 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.

  • Adventist Health Mendocino CoastFort Bragg, CA · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 051325
  • Sutter Lakeside HospitalLakeport, CA · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 051329

Practice locations

Addresses where Kerry J. Hollenbeck is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kerry J. Hollenbeck as a member of these groups (CMS data updated October 2, 2026).

  • Anesthesia and Analgesia Medical Group Inc73 clinicians in the group
  • Progressive Anesthesia Consultants of California17 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Santa Rosa

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

All anesthesiologists in Santa Rosa →

Other clinicians in Anesthesia and Analgesia Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolUniformed Services Uhs Fe Hebert School Of Med
Graduation year2003 (23 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225018278
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