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Certified Registered Nurse Anesthetist (CRNA)

Ashley B. Billings, CNA

Works at hospitals in Norman, OK · Oklahoma

Summary

Ashley B. Billings, CNA is a nurse anesthetist at 3300 Healthplex Pkwy, Norman, OK 73072. Phone: (405) 515-1000. Accepts Medicare assignment. In 2024, Ashley B. Billings had 218 Original Medicare patients and 236 services. NPI 1669863627. 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: 3300 Healthplex Pkwy, Norman, OK 73072 · Directions (1 more location)
  • Phone: (405) 515‑1000
  • Medicare: Accepts Medicare assignment
  • Hospital: Norman Regional
  • Group practice: Norman Anesthesia Providers, P.C.
  • School: graduated 2014
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ashley B. Billings, 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 Ashley B. Billings accept Medicare assignment?
Yes. Medicare's clinician data says Ashley B. Billings 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 Ashley B. Billings see?
In 2024, CMS data shows 218 Original Medicare patients and 236 services for Ashley B. Billings. This counts Original Medicare only and measures volume, not quality.
What is Ashley B. Billings's NPI number?
1669863627. 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 Ashley B. Billings, 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 patients218
Services billed to Medicare236
Different services or procedures41
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)49 services
  2. Anesthesia for procedure on small and large bowel using an endoscope (00813)27 services
  3. Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope (00918)23 services
  4. Anesthesia for other procedure on large bowel using an endoscope (00811)19 services
  5. Anesthesia for other procedure on urinary system through urethra (00910)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%
  • Arthritis59%
  • Ischemic heart disease46%
  • Diabetes39%
  • Chronic kidney disease30%

Hospitals where Ashley B. Billings works

Medicare's Facility Affiliation Data lists Ashley B. Billings 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.

  • Norman RegionalNorman, OK · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 370008

Practice locations

Addresses where Ashley B. Billings is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ashley B. Billings as a member of this group (CMS data updated October 2, 2026).

  • Norman Anesthesia Providers, P.C.36 clinicians in the group

Specialties

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

Other nurse anesthetists in Norman

Clinicians with the same Medicare primary specialty in Norman, OK — not a recommendation.

All nurse anesthetists in Norman →

Other clinicians in Norman Anesthesia Providers, P.C.

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

Clinician information

CredentialCNA
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669863627
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