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Anesthesiology

Timothy W. Gleason, MD

Works at hospitals in Marysville, CA · Yuba City, CA · California

Summary

Dr. Timothy W. Gleason, MD is an anesthesiologist at 2 Medical Plaza Dr, Roseville, CA 95661. Phone: (530) 741-1400. Accepts Medicare assignment. In 2024, Timothy W. Gleason had 379 Original Medicare patients and 551 services. NPI 1871603787. 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 Timothy W. Gleason, 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 Timothy W. Gleason accept Medicare assignment?
Yes. Medicare's clinician data says Timothy W. Gleason 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 Timothy W. Gleason see?
In 2024, CMS data shows 379 Original Medicare patients and 551 services for Timothy W. Gleason. This counts Original Medicare only and measures volume, not quality.
What is Timothy W. Gleason's NPI number?
1871603787. 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 Timothy W. Gleason, 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 patients379
Services billed to Medicare551
Different services or procedures38
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)67 services
  2. Anesthesia for other procedure on top of arm bone and shoulder joint (01630)54 services
  3. Anesthesia for lens surgery (00142)47 services
  4. Anesthesia for other procedure or exam of knee joint using an endoscope (01400)43 services
  5. Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)40 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 cholesterol75%
  • High blood pressure73%
  • Arthritis64%
  • Diabetes19%
  • Depression18%
  • Ischemic heart disease17%

Hospitals where Timothy W. Gleason works

Medicare's Facility Affiliation Data lists Timothy W. Gleason 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 Timothy W. Gleason is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Timothy W. Gleason as a member of this group (CMS data updated October 2, 2026).

  • Sutter Valley Medical Foundation2,500 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Roseville

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

All anesthesiologists in Roseville →

Other clinicians in Sutter Valley Medical Foundation

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

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1871603787
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