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Anesthesiology

David J. Kumasaka, MD

Sees patients in Flagstaff, AZ · Arizona

Summary

Dr. David J. Kumasaka, MD is an anesthesiologist at 921 W Grand Canyon Ave, Flagstaff, AZ 86001. Phone: (928) 699-5217. Accepts Medicare assignment. NPI 1598774143. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 921 W Grand Canyon Ave, Flagstaff, AZ 86001 · Directions
  • Phone: (928) 699‑5217
  • Medicare: Accepts Medicare assignment
  • Medical school: University Of Rochester School Of Medicine And Dentistry · graduated 1991 (35 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about David J. Kumasaka, 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 David J. Kumasaka accept Medicare assignment?
Yes. Medicare's clinician data says David J. Kumasaka 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.
What is David J. Kumasaka's NPI number?
1598774143. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

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

Specialties

Find other Anesthesiology doctors in Arizona →

Other anesthesiologists in Flagstaff

Clinicians with the same Medicare primary specialty in Flagstaff, AZ — not a recommendation.

All anesthesiologists in Flagstaff →

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year1991 (35 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1598774143
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians