NPPES file of Aug 9, 2026

Derek Joseph Fiedler

Certified Registered Nurse Anesthetist · Orange, CA

Derek Joseph Fiedler is a certified registered nurse anesthetist with a practice address in Orange, California, and NPI 1205391620, issued on Feb 11, 2019. Check the license (California 95001930, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205391620
Name
Derek Joseph Fiedler
Primary taxonomy
Certified Registered Nurse Anesthetist 367500000X
License numbers
95001930 CA
209018750 IL
Self-reported in NPPES; status is on the state search
Practice location
101 The City Dr S, Orange, CA 92868
Phone
(714) 456-8888
Enumerated
Feb 11, 2019
Record last updated
Jul 31, 2024
Medicare enrollment
Enrolled (PECOS I20230206001579); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 101 The City Dr S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Danny Abad, PAPhysician Assistant1477158673
  2. Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
  3. Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
  4. Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
  5. Eric AbelloOtolaryngology Physician1922566215
  6. Brandon Abeyta, MDAnesthesiology Physician1841291804

Verify Derek Joseph Fiedler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95001930
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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The MIPS final score for 2023 (Medicare payment program): 97.7 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.4
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through 2 group practices

  1. Brotman Medical Anesthesia GroupEncino, CA
  2. San Gabriel Anesthesia Associates, PCPalm Desert, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Derek Joseph Fiedler among 2,943 certified registered nurse anesthetist records in California

Derek Joseph Fiedler is one of 2,943 certified registered nurse anesthetist records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 70% of them.

  • NPI issued2019 · 70% of these records are older, 25% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 71% of these records are
  • Graduated2018 · median 2016 among the 2,089 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Certified Registered Nurse Anesthetist providers in California

There are 2,943 certified registered nurse anesthetist records in California.

The 8 certified registered nurse anesthetist records with the nearest ZIP codes

  1. Dave Chy, CRNAOrange, CA 928681518253319
  2. Jorely May Gibson, CRNAOrange, CA 928681700818457
  3. Christen Hebl, CRNAOrange, CA 928681235171273
  4. Kelly Hopkins, CRNAOrange, CA 928681407898661
  5. Amy Kosanke, CRNAOrange, CA 928681215993985
  6. Mary Lim, CRNAOrange, CA 928681518198266
  7. Timothy Lunn, CRNAOrange, CA 928681366537128
  8. Jeffrey Murray, CRNAOrange, CA 928681962652172

Common questions

What is Derek Joseph Fiedler's NPI number?

Derek Joseph Fiedler's National Provider Identifier (NPI) is 1205391620, issued on Feb 11, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Derek Joseph Fiedler located?

The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (714) 456-8888. Providers update this record themselves, so call before visiting.

How can I verify Derek Joseph Fiedler's license?

NPPES lists California license number 95001930, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

What is Derek Joseph Fiedler's MIPS final score?

The 2023 MIPS final score is 97.7 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.