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Anesthesiology

Helen V. Grichkevitch, MD

Works at hospitals in Orange, CA · California

Summary

Dr. Helen V. Grichkevitch, MD is an anesthesiologist at 3751 Katella Ave, Los Alamitos, CA 90720. Phone: (562) 598-1311. Accepts Medicare assignment. In 2024, Helen V. Grichkevitch had 172 Original Medicare patients and 237 services. NPI 1356873541. 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: 3751 Katella Ave, Los Alamitos, CA 90720 · Directions
  • Phone: (562) 598‑1311
  • Medicare: Accepts Medicare assignment
  • Hospital: UCI Health-Orange
  • Group practice: Orange Coast Anesthesia Inc
  • Medical school: graduated 2012 (14 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Helen V. Grichkevitch, 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 Helen V. Grichkevitch accept Medicare assignment?
Yes. Medicare's clinician data says Helen V. Grichkevitch 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 Helen V. Grichkevitch see?
In 2024, CMS data shows 172 Original Medicare patients and 237 services for Helen V. Grichkevitch. This counts Original Medicare only and measures volume, not quality.
What is Helen V. Grichkevitch's NPI number?
1356873541. 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 Helen V. Grichkevitch, 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 patients172
Services billed to Medicare237
Different services or procedures54
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Injection of local anesthetic for abdominal wall pain control on both sides using imaging guidance (64488)20 services
  2. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)16 services
  3. Anesthesia for procedure on small and large bowel using an endoscope (00813)16 services
  4. Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (64447)14 services
  5. Anesthesia for other procedure on large bowel using an endoscope (00811)13 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%
  • Arthritis55%
  • Diabetes40%
  • Chronic kidney disease37%
  • Ischemic heart disease35%

Hospitals where Helen V. Grichkevitch works

Medicare's Facility Affiliation Data lists Helen V. Grichkevitch 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.

  • UCI Health-OrangeOrange, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050348

Practice locations

Addresses where Helen V. Grichkevitch is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Helen V. Grichkevitch as a member of this group (CMS data updated October 2, 2026).

  • Orange Coast Anesthesia Inc87 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Los Alamitos

Clinicians with the same Medicare primary specialty in Los Alamitos, CA — not a recommendation.

All anesthesiologists in Los Alamitos →

Other clinicians in Orange Coast Anesthesia Inc

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

Clinician information

CredentialMD
Graduation year2012 (14 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1356873541
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