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Anesthesiology

Elizabeth E. Ellinwood, DO

Works at hospitals in La Mesa, CA · California

Summary

Dr. Elizabeth E. Ellinwood, DO is an anesthesiologist at 3626 Ruffin Rd, San Diego, CA 92123. Phone: (619) 565-9666. Accepts Medicare assignment. In 2024, Elizabeth E. Ellinwood had 119 Original Medicare patients and 163 services. NPI 1851754246. 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: 3626 Ruffin Rd, San Diego, CA 92123 · Directions
  • Phone: (619) 565‑9666
  • Medicare: Accepts Medicare assignment
  • Hospital: Grossmont Hospital
  • Group practice: Anesthesia Service Medical Group
  • Medical school: Des Moines University Of Osteopathic Medicine And Health Sciences · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Elizabeth E. Ellinwood, 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 Elizabeth E. Ellinwood accept Medicare assignment?
Yes. Medicare's clinician data says Elizabeth E. Ellinwood 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 Elizabeth E. Ellinwood see?
In 2024, CMS data shows 119 Original Medicare patients and 163 services for Elizabeth E. Ellinwood. This counts Original Medicare only and measures volume, not quality.
What is Elizabeth E. Ellinwood's NPI number?
1851754246. 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 Elizabeth E. Ellinwood, 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 patients119
Services billed to Medicare163
Different services or procedures59
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)12 services
  2. Anesthesia for total hip replacement (01214)11 services
  3. Anesthesia for procedure for total knee joint replacement (01402)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%
  • Arthritis65%
  • Diabetes39%
  • Chronic kidney disease34%
  • Depression30%

Hospitals where Elizabeth E. Ellinwood works

Medicare's Facility Affiliation Data lists Elizabeth E. Ellinwood 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.

  • Grossmont HospitalLa Mesa, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050026

Practice locations

Addresses where Elizabeth E. Ellinwood is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Elizabeth E. Ellinwood as a member of this group (CMS data updated October 2, 2026).

  • Anesthesia Service Medical Group246 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in San Diego

Clinicians with the same Medicare primary specialty in San Diego, CA — not a recommendation.

All anesthesiologists in San Diego →

Other clinicians in Anesthesia Service Medical Group

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

Clinician information

CredentialDO
Medical schoolDes Moines University Of Osteopathic Medicine And Health Sciences
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1851754246
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