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Anesthesiology

Maryam Rahimzadeh, DO

Works at hospitals in Stony Brook, NY · New York

Summary

Dr. Maryam Rahimzadeh, DO is an anesthesiologist at 100 Nicolls Rd, Stony Brook, NY 11794. Phone: (631) 444-2976. Accepts Medicare assignment. In 2024, Maryam Rahimzadeh had 247 Original Medicare patients and 263 services. NPI 1881869857. 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: 100 Nicolls Rd, Stony Brook, NY 11794 · Directions
  • Phone: (631) 444‑2976
  • Medicare: Accepts Medicare assignment
  • Hospital: Suny/Stony Brook University Hospital
  • Group practice: Stony Brook Anaesthesiology University Faculty Practice Corporation
  • Medical school: New York College Of Osteo Medicine Of New York Institute Of Technology · graduated 2003 (23 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Maryam Rahimzadeh, 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 Maryam Rahimzadeh accept Medicare assignment?
Yes. Medicare's clinician data says Maryam Rahimzadeh 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 Maryam Rahimzadeh see?
In 2024, CMS data shows 247 Original Medicare patients and 263 services for Maryam Rahimzadeh. This counts Original Medicare only and measures volume, not quality.
What is Maryam Rahimzadeh's NPI number?
1881869857. 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 Maryam Rahimzadeh, 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 patients247
Services billed to Medicare263
Different services or procedures46
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Anesthesia for lens surgery (00142)74 services
  2. Anesthesia for other procedure on large bowel using an endoscope (00811)23 services
  3. Anesthesia for other procedure on urinary system through urethra (00910)16 services
  4. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)15 services
  5. Anesthesia for procedure on small and large bowel using an endoscope (00813)11 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%
  • Arthritis47%
  • Ischemic heart disease40%
  • Anxiety33%
  • Atrial fibrillation29%

Hospitals where Maryam Rahimzadeh works

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

Group practices

Medicare enrollment lists Maryam Rahimzadeh as a member of this group (CMS data updated October 2, 2026).

  • Stony Brook Anaesthesiology University Faculty Practice Corporation88 clinicians in the group

Specialties

Find other Anesthesiology doctors in New York →

Other anesthesiologists in Stony Brook

Clinicians with the same Medicare primary specialty in Stony Brook, NY — not a recommendation.

All anesthesiologists in Stony Brook →

Other clinicians in Stony Brook Anaesthesiology University Faculty Practice Corporation

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

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2003 (23 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1881869857
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