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Certified Registered Nurse Anesthetist (CRNA)

Cristina C. Falk, CNA

Works at hospitals in Orange, CA · California

Summary

Cristina C. Falk, CNA is a nurse anesthetist at 101 The City Dr S, Orange, CA 92868. Phone: (714) 456-7004. Accepts Medicare assignment. In 2024, Cristina C. Falk had 136 Original Medicare patients and 141 services. NPI 1932375037. 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: Nurse anesthetist (Medicare lists Certified Registered Nurse Anesthetist (CRNA))
  • Address: 101 The City Dr S, Orange, CA 92868 · Directions (1 more location)
  • Phone: (714) 456‑7004
  • Medicare: Accepts Medicare assignment
  • Hospital: UCI Health-Orange
  • Group practice: Regents of the University of (+1 more)
  • School: graduated 1996
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Cristina C. Falk, 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 Cristina C. Falk accept Medicare assignment?
Yes. Medicare's clinician data says Cristina C. Falk 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 Cristina C. Falk see?
In 2024, CMS data shows 136 Original Medicare patients and 141 services for Cristina C. Falk. This counts Original Medicare only and measures volume, not quality.
What is Cristina C. Falk's NPI number?
1932375037. 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 Cristina C. Falk, 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 patients136
Services billed to Medicare141
Different services or procedures43
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)41 services
  2. Anesthesia for procedure on gallbladder, pancreas, or liver using an endoscope (00732)14 services
  3. Anesthesia for other procedure on large bowel using an endoscope (00811)12 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%
  • Arthritis57%
  • Diabetes43%
  • Ischemic heart disease37%
  • Depression37%

Hospitals where Cristina C. Falk works

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

Group practices

Medicare enrollment lists Cristina C. Falk as a member of these groups (CMS data updated October 2, 2026).

  • Regents of the University of239 clinicians in the group
  • United Medical Doctors173 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), California →

Other nurse anesthetists in Orange

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

All nurse anesthetists 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

CredentialCNA
Graduation year1996
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932375037
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