Doctor profile · Federal record

Dr. Cayleigh Williamson, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Oakland, CA

  • NPI 1144863440
  • Accepts Medicare
  • MIPS 50.3 / 100 · 2023
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3600 Broadway
Oakland, CA 946115730
(510) 752-1000
Mailing address
2348 Greenwood RD
Pleasanton, CA 945664630

Credentials & registration

NPPES · NUCC
NPI registered
October 2019 — 7 yrs on file
Profile last updated
January 3, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
California #95001210

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1144863440. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
29
Distinct HCPCS
2
Medicare allowed
$4,423
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 15 15 $154
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 14 13 $151

In context: peer comparison

Among 9 peers in Oakland Certified Registered Nurse Anesthetist, average services per provider: 38. This provider delivers 0.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Cayleigh Williamson's medical specialty?
Dr. Cayleigh Williamson practices Certified Registered Nurse Anesthetist in Oakland, CA.
Where does Dr. Cayleigh Williamson practice?
Dr. Cayleigh Williamson practices at 3600 Broadway, Oakland, CA 946115730. Office phone: 5107521000.
What is Dr. Cayleigh Williamson's NPI?
Dr. Cayleigh Williamson's National Provider Identifier (NPI) is 1144863440, issued by NPPES.
Does Dr. Cayleigh Williamson accept Medicare assignment?
Yes. Dr. Cayleigh Williamson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cayleigh Williamson commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.