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Anesthesiology

Stefani L. Diedrich, MD

Works at hospitals in Palmer, AK · Alaska

Summary

Dr. Stefani L. Diedrich, MD is an anesthesiologist at 2500 S Woodworth Loop, Palmer, AK 99645. Phone: (907) 861-6000. Accepts Medicare assignment. In 2024, Stefani L. Diedrich had 29 Original Medicare patients and 30 services. NPI 1306060660. 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: 2500 S Woodworth Loop, Palmer, AK 99645 · Directions
  • Phone: (907) 861‑6000
  • Medicare: Accepts Medicare assignment
  • Hospital: Mat-Su Regional Medical Center
  • Group practice: Anesthesia Care Associates PC
  • Medical school: Uniformed Services Uhs Fe Hebert School Of Med · graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Stefani L. Diedrich, 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 Stefani L. Diedrich accept Medicare assignment?
Yes. Medicare's clinician data says Stefani L. Diedrich 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 Stefani L. Diedrich see?
In 2024, CMS data shows 29 Original Medicare patients and 30 services for Stefani L. Diedrich. This counts Original Medicare only and measures volume, not quality.
What is Stefani L. Diedrich's NPI number?
1306060660. 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 Stefani L. Diedrich, 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 patients29
Services billed to Medicare30
Different services or procedures17
Participating Medicare providerYes
Average age of these patients70

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 pressure72%
  • High cholesterol72%
  • Arthritis62%
  • Diabetes38%

Hospitals where Stefani L. Diedrich works

Medicare's Facility Affiliation Data lists Stefani L. Diedrich 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.

  • Mat-Su Regional Medical CenterPalmer, AK · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 020006

Practice locations

Addresses where Stefani L. Diedrich is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stefani L. Diedrich as a member of this group (CMS data updated October 2, 2026).

  • Anesthesia Care Associates PC40 clinicians in the group

Specialties

Find other Anesthesiology doctors in Alaska →

Other anesthesiologists in Palmer

Clinicians with the same Medicare primary specialty in Palmer, AK — not a recommendation.

All anesthesiologists in Palmer →

Other clinicians in Anesthesia Care Associates PC

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

Clinician information

CredentialMD
Medical schoolUniformed Services Uhs Fe Hebert School Of Med
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1306060660
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