Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Humayun M. Gazder, MD

Works at hospitals in Bangor, ME · Maine

Summary

Dr. Humayun M. Gazder, MD is an anesthesiologist at 489 State St, Bangor, ME 04401. Phone: (207) 973-7000. Accepts Medicare assignment. In 2024, Humayun M. Gazder had 124 Original Medicare patients and 131 services. NPI 1972548311. 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 Humayun M. Gazder, 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 Humayun M. Gazder accept Medicare assignment?
Yes. Medicare's clinician data says Humayun M. Gazder 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 Humayun M. Gazder see?
In 2024, CMS data shows 124 Original Medicare patients and 131 services for Humayun M. Gazder. This counts Original Medicare only and measures volume, not quality.
What is Humayun M. Gazder's NPI number?
1972548311. 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 Humayun M. Gazder, 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 patients124
Services billed to Medicare131
Different services or procedures46
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (01810)17 services
  2. Anesthesia for procedure for total knee joint replacement (01402)16 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 cholesterol73%
  • Arthritis54%
  • Ischemic heart disease32%
  • Chronic kidney disease30%
  • Diabetes27%

Hospitals where Humayun M. Gazder works

Medicare's Facility Affiliation Data lists Humayun M. Gazder 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 Humayun M. Gazder is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Humayun M. Gazder as a member of this group (CMS data updated October 2, 2026).

  • Eastern Maine Medical Center624 clinicians in the group

Specialties

Find other Anesthesiology doctors in Maine →

Other anesthesiologists in Bangor

Clinicians with the same Medicare primary specialty in Bangor, ME — not a recommendation.

All anesthesiologists in Bangor →

Other clinicians in Eastern Maine Medical Center

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

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1972548311
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