Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Anesthesiology

Sean K. Senozan, MD

Works at hospitals in Orange, CA · California

Summary

Dr. Sean K. Senozan, MD is an anesthesiologist at 101 The City Dr S, Orange, CA 92868. Phone: (714) 456-7004. Accepts Medicare assignment. In 2024, Sean K. Senozan had 133 Original Medicare patients and 159 services. NPI 1902301450. 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: 101 The City Dr S, Orange, CA 92868 · Directions
  • Phone: (714) 456‑7004
  • Medicare: Accepts Medicare assignment
  • Hospital: UCI Health-Orange
  • Group practice: Regents of the University of
  • Medical school: graduated 2017 (9 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Sean K. Senozan, 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 Sean K. Senozan accept Medicare assignment?
Yes. Medicare's clinician data says Sean K. Senozan 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 Sean K. Senozan see?
In 2024, CMS data shows 133 Original Medicare patients and 159 services for Sean K. Senozan. This counts Original Medicare only and measures volume, not quality.
What is Sean K. Senozan's NPI number?
1902301450. 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 Sean K. Senozan, 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 patients133
Services billed to Medicare159
Different services or procedures51
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Insertion of artery tube for blood sampling or infusion through skin (36620)17 services
  2. Anesthesia for x-ray or radiation therapy (01922)14 services
  3. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)13 services
  4. Anesthesia for procedure on heart and large blood vessels (00560)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%
  • Ischemic heart disease56%
  • Arthritis53%
  • Heart failure48%
  • Chronic kidney disease43%

Hospitals where Sean K. Senozan works

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

Group practices

Medicare enrollment lists Sean K. Senozan as a member of this group (CMS data updated October 2, 2026).

  • Regents of the University of239 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Orange

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

All anesthesiologists in Orange →

Other clinicians in Regents of the University of

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

Clinician information

CredentialMD
Graduation year2017 (9 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1902301450
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