Doctor profile · Federal record

Dr. Derek Fiedler

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Anesthesiology Physician · Orange, CA

  • NPI 1205391620
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 8 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
101 the City Dr S
Orange, CA 928683201
(714) 456-8888
Additional location
200 W Arbor Dr
San Diego, CA 921039000
(800) 926-8273
Additional location
700 W El Norte Pkwy
Escondido, CA 920263923
(760) 738-7830
Show 1 more location
Additional location
University of Chicago, 5841 S Maryland Ave
Chicago, IL 60637
(773) 702-1234
Mailing address
200 S Manchester Ave Ste 300
Orange, CA 928683219

Credentials & registration

NPPES · NUCC
NPI registered
February 2019 — 7 yrs on file
Profile last updated
July 31, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
California #95001930 · Illinois #209018750

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205391620. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
85
Distinct HCPCS
5
Medicare allowed
$7,805
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 24 24 $76
00811 Anesthesia for other procedure on large bowel using an endoscope 18 18 $73
00142 Anesthesia for lens surgery 15 15 $115
00813 Anesthesia for procedure on small and large bowel using an endoscope 15 15 $91
00520 Anesthesia for other closed procedure on chest 13 13 $122

In context: peer comparison

Among 19 peers in Orange Certified Registered Nurse Anesthetist, average services per provider: 32. This provider delivers 2.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Derek Fiedler's medical specialty?
Dr. Derek Fiedler practices Certified Registered Nurse Anesthetist in Orange, CA.
Where does Dr. Derek Fiedler practice?
Dr. Derek Fiedler practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144568888.
What is Dr. Derek Fiedler's NPI?
Dr. Derek Fiedler's National Provider Identifier (NPI) is 1205391620, issued by NPPES.
Does Dr. Derek Fiedler accept Medicare assignment?
Yes. Dr. Derek Fiedler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Derek Fiedler commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.