NPPES file of Aug 9, 2026

Eric Gerdes, D.O.

Emergency Medicine Physician · Eureka, CA

Eric Gerdes, D.O. is an emergency medicine physician with a practice address in Eureka, California, and NPI 1053374371, issued on Apr 8, 2006. Check the license (California 20A8299, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1053374371
Name
Eric Gerdes
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
20A8299 CA
Self-reported in NPPES; status is on the state search
Practice location
2700 Dolbeer St, Eureka, CA 95501
Phone
(707) 269-4250
Enumerated
Apr 8, 2006
Record last updated
Nov 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00AX82990 CA
Medicare enrollment
Enrolled (PECOS I20081209000416); accepts Medicare assignment
Medical or professional school
R Franklin University Of Med & Sci/Chicago Medical School, 1999
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 2700 Dolbeer St

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

  1. Sammantha Abbott, DPTPhysical Therapist1659704351
  2. Arshia AkbarStudent in an Organized Health Care Education/Training Program1831941772
  3. Zeena Al Asadi, MDStudent in an Organized Health Care Education/Training Program1568256683
  4. Mohd Nour Al Nigrish, MDStudent in an Organized Health Care Education/Training Program1285573360
  5. Adams Bruce Al-Os, MDStudent in an Organized Health Care Education/Training Program1295538130
  6. Joseph Arcidi, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1528024544

Verify Eric Gerdes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8299
    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
Open the California license search

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30% fewer Medicare Part D claims than the average emergency medicine physician in 2024

159 Medicare Part D claims for 112 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 23 claims were for opioids.

  1. Eric Gerdes159
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen18 claims
  2. Cephalexin15 claims
  3. Prednisone14 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 2 group practices

  1. Cep America - CaliforniaCrescent City, CA
  2. Providence Medical FoundationEureka, CA

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

Eric Gerdes among 7,751 emergency medicine physician records in California

Eric Gerdes, D.O. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 60% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1999 · median 2011 among the 4,560 with a school on file
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Emergency Medicine Physician providers in California

There are 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Joseph Burkes, MDEureka, CA 955011255489050
  2. Kay Duefrene, M.D.Eureka, CA 955011669434452
  3. Howard Freiman, D.O.Eureka, CA 955011366405680
  4. Jack Geoula, M,D.Eureka, CA 955011821006263
  5. Donald Janes, M.D.Eureka, CA 955011942245907
  6. John Kelsey, M.D.Eureka, CA 955011427010255
  7. Tuan Luu, M.D.Eureka, CA 955011326001660
  8. Alan Morden, M.D.Eureka, CA 955011306809645

Common questions

What is Eric Gerdes, D.O.'s NPI number?

Eric Gerdes, D.O.'s National Provider Identifier (NPI) is 1053374371, issued on Apr 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Eric Gerdes, D.O. located?

The NPPES record lists a practice address at 2700 Dolbeer St, Eureka, CA, 95501. Phone: (707) 269-4250. Providers update this record themselves, so call before visiting.

How can I verify Eric Gerdes, D.O.'s license?

NPPES lists California license number 20A8299, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Eric Gerdes, D.O. prescribe under Medicare Part D?

In 2024, Eric Gerdes, D.O. had 159 Medicare Part D claims for 112 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.