Donald Nelson Janes, M.D.
Emergency Medicine Physician · Eureka, CA
Donald Nelson Janes, M.D. is an emergency medicine physician with a practice address in Eureka, California, and NPI 1942245907, issued on Jun 16, 2006. Check the license (California A84937, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Donald Nelson Janes
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A84937 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2426 Buhne St, Eureka, CA 95501
- Phone
- (707) 443-4666
- Enumerated
- Jun 16, 2006
- Record last updated
- Sep 14, 2024
- Fax
- (907) 313-1400
- Medicaid ID
- 00A849370 CA
- Medicare enrollment
- Enrolled (PECOS I20050524001390); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 2426 Buhne St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Frank Anderson, RNRegistered Nurse1962572958
- Kathryn Bowman, M.D.Psychiatry Physician1477533024
- Linda Cade, FNPFamily Nurse Practitioner1639262298
- Jasen Christensen, DOPsychiatry Physician1962541987
- Kelley Devlin-Lake, RNRegistered Nurse1114552452
- Andrea Evenden, RNRegistered Nurse1033784814
Verify Donald Nelson Janes in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A84937Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% more Medicare Part D claims than the average emergency medicine physician in 2024
293 Medicare Part D claims for 198 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Cephalexin33 claims
- Doxycycline Monohydrate32 claims
- Prednisone31 claims
- Nitrofurantoin Mono-Macro29 claims
- Amoxicillin-Clavulanate Potass20 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 one group practice
- Open Door Community Health CentersEureka, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Nelson Janes among 7,751 emergency medicine physician records in California
Donald Nelson Janes, M.D. 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
- Graduated2002 · median 2011 among the 4,560 with a school on file
- Record last updated2024 · 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.
All 7,751 in California → Every provider in Eureka → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Joseph Burkes, MDEureka, CA 955011255489050
- Kay Duefrene, M.D.Eureka, CA 955011669434452
- Howard Freiman, D.O.Eureka, CA 955011366405680
- Jack Geoula, M,D.Eureka, CA 955011821006263
- Eric Gerdes, D.O.Eureka, CA 955011053374371
- John Kelsey, M.D.Eureka, CA 955011427010255
- Tuan Luu, M.D.Eureka, CA 955011326001660
- Alan Morden, M.D.Eureka, CA 955011306809645
Common questions
What is Donald Nelson Janes, M.D.'s NPI number?
Donald Nelson Janes, M.D.'s National Provider Identifier (NPI) is 1942245907, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Nelson Janes, M.D. located?
The NPPES record lists a practice address at 2426 Buhne St, Eureka, CA, 95501. Phone: (707) 443-4666. Providers update this record themselves, so call before visiting.
How can I verify Donald Nelson Janes, M.D.'s license?
NPPES lists California license number A84937, 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 Donald Nelson Janes, M.D. prescribe under Medicare Part D?
In 2024, Donald Nelson Janes, M.D. had 293 Medicare Part D claims for 198 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.