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Anesthesiology

Masha Izakson, MD

Works at hospitals in Lebanon, NH · New Hampshire

Summary

Dr. Masha Izakson, MD is an anesthesiologist at 1 Medical Ctr Dr, Lebanon, NH 03756. Phone: (603) 650-5000. Accepts Medicare assignment. In 2024, Masha Izakson had 394 Original Medicare patients and 479 services. NPI 1619363850. 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: 1 Medical Ctr Dr, Lebanon, NH 03756 · Directions (1 more location)
  • Phone: (603) 650‑5000
  • Medicare: Accepts Medicare assignment
  • Hospital: Mary Hitchcock Memorial Hospital
  • Group practice: Dartmouth-Hitchcock Clinic
  • Medical school: graduated 2015 (11 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Masha Izakson, 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 Masha Izakson accept Medicare assignment?
Yes. Medicare's clinician data says Masha Izakson 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 Masha Izakson see?
In 2024, CMS data shows 394 Original Medicare patients and 479 services for Masha Izakson. This counts Original Medicare only and measures volume, not quality.
What is Masha Izakson's NPI number?
1619363850. 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 Masha Izakson, 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 patients394
Services billed to Medicare479
Different services or procedures80
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)44 services
  2. Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (64415)33 services
  3. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)32 services
  4. Anesthesia for electroshock therapy (00104)28 services
  5. Anesthesia for x-ray or radiation therapy (01922)22 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 pressure73%
  • High cholesterol65%
  • Arthritis54%
  • Anxiety35%
  • Depression32%
  • Ischemic heart disease28%

Hospitals where Masha Izakson works

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

Group practices

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

  • Dartmouth-Hitchcock Clinic1,472 clinicians in the group

Specialties

Find other Anesthesiology doctors in New Hampshire →

Other anesthesiologists in Lebanon

Clinicians with the same Medicare primary specialty in Lebanon, NH — not a recommendation.

All anesthesiologists in Lebanon →

Other clinicians in Dartmouth-Hitchcock Clinic

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

Clinician information

CredentialMD
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1619363850
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