Marcelle Mahan, M.D.
General Practice Physician · Eureka, CA
Marcelle Mahan, M.D. is a general practice physician with a practice address in Eureka, California, and NPI 1245292085, issued on Apr 5, 2006. Check the license (California G078160, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marcelle Mahan
- Credential
- M.D.
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- G078160 CA
G71860 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 5, 2006
- Record last updated
- Mar 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00G718600 CA
- Medicare enrollment
- Enrolled (PECOS I20050107000577); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 1,956 in California → Look up another NPI →
Also registered at 2700 Dolbeer St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Mohd Nour Al Nigrish, MDStudent in an Organized Health Care Education/Training Program1285573360
- Adams Bruce Al-Os, MDStudent in an Organized Health Care Education/Training Program1295538130
- Joseph Arcidi, M.D.Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician1528024544
Verify Marcelle Mahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G078160Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average general practice physician in 2024
7,144 Medicare Part D claims for 535 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 444 claims were for opioids.
Most prescribed
- Atorvastatin Calcium363 claims
- Losartan Potassium250 claims
- Levothyroxine Sodium238 claims
- Lorazepam223 claims
- Gabapentin214 claims
- Amlodipine Besylate210 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.
Industry payments in 2024: $79.22
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Providence Medical FoundationEureka, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marcelle Mahan among 1,956 general practice physician records in California
Marcelle Mahan, M.D. is one of 1,956 general practice physician records with a practice address in California. 48% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 66% newer
- In a Medicare fileYes · 48% of these records are
- In the CMS Doctors and Clinicians fileYes · 27% of these records are
- Graduated1990 · median 1994 among the 520 with a school on file
- Record last updated2021 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in California
There are 1,956 general practice physician records in California.
All 1,956 in California → Every provider in Eureka → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- Frances Day, M.D.Eureka, CA 955011578623203
- Lawrence Wieland, MDEureka, CA 955011104815380
- Tedd Dawson, MDWillits, CA 954901457330680
- Erin Akar, MDSonoma, CA 954761528359429
- Jerry Bolduan, MDSebastopol, CA 954721396043758
- Robert Dozor, M.D.Sebastopol, CA 954721548314446
- E Holland, D.O.Sebastopol, CA 954721376570077
- Kay Weinshienk, D.O.Sebastopol, CA 954721124165220
Common questions
What is Marcelle Mahan, M.D.'s NPI number?
Marcelle Mahan, M.D.'s National Provider Identifier (NPI) is 1245292085, issued on Apr 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marcelle Mahan, M.D. 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 Marcelle Mahan, M.D.'s license?
NPPES lists California license number G078160, 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 Marcelle Mahan, M.D. prescribe under Medicare Part D?
In 2024, Marcelle Mahan, M.D. had 7,144 Medicare Part D claims for 535 beneficiaries; the average among general practice physician prescribers was 3,030. 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.