Marian Ellen Dahmer, P.A.
Physician Assistant · Oakland, CA
Marian Ellen Dahmer, P.A. is a physician assistant with a practice address in Oakland, California, and NPI 1164700258, issued on Jul 24, 2011. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marian Ellen Dahmer
- Credential
- P.A.
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 365 Hawthorne Ave Ste 201, Oakland, CA 94609
- Phone
- (510) 452-1345
- Enumerated
- Jul 24, 2011
- Record last updated
- May 27, 2022
- Medicare enrollment
- Enrolled (PECOS I20140129001202); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 365 Hawthorne Ave Ste 201
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Marian Ellen Dahmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% fewer Medicare Part D claims than the average physician assistant in 2024
650 Medicare Part D claims for 469 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Amiodarone Hcl64 claims
- Metoprolol Succinate63 claims
- Flecainide Acetate59 claims
- Furosemide39 claims
- Metoprolol Tartrate37 claims
- Sotalol31 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: $308.15
2 payments; by number, the most common kind was food and beverage; the largest payer was iRhythm Technologies, Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Permanente Medical Group IncWalnut Creek, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marian Ellen Dahmer among 14,451 physician assistant records in California
Marian Ellen Dahmer, P.A. is one of 14,451 physician assistant 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 2011, is newer than 30% of them.
- NPI issued2011 · 30% of these records are older, 67% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2011 · median 2018 among the 7,214 with a school on file
- Record last updated2022 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Oakland → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Joel Ambrosio, PA-COakland, CA 946091154628105
- Miranda Bassilios, PA COakland, CA 946091609831114
- Erin Cava, PA-C, RDOakland, CA 946091225351620
- Cheryl Eldridge, PA-COakland, CA 946091336246438
- Ronald Grant, P.A.Oakland, CA 946091740245190
- Jane Hysen, PAOakland, CA 946091538133731
- Christa Kong, P.A.Oakland, CA 946091487813697
- Alexandra Mead, PA-COakland, CA 946091730286832
Common questions
What is Marian Ellen Dahmer, P.A.'s NPI number?
Marian Ellen Dahmer, P.A.'s National Provider Identifier (NPI) is 1164700258, issued on Jul 24, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Marian Ellen Dahmer, P.A. located?
The NPPES record lists a practice address at 365 Hawthorne Ave Ste 201, Oakland, CA, 94609. Phone: (510) 452-1345. Providers update this record themselves, so call before visiting.
How can I verify Marian Ellen Dahmer, P.A.'s license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marian Ellen Dahmer, P.A. prescribe under Medicare Part D?
In 2024, Marian Ellen Dahmer, P.A. had 650 Medicare Part D claims for 469 beneficiaries; the average among physician assistant prescribers was 830. 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.