Registry data as of Aug 27, 2026

Matthew Dahnke, M.D.

Internal Medicine Physician · Oakland, CA

Matthew Dahnke, M.D. is an internal medicine physician with a practice address in Oakland, California, and NPI 1487762092, issued on Aug 25, 2006. Check the license (California A64801, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1487762092
Name
Matthew Dahnke
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A64801 CA
Self-reported in NPPES; status is on the state search
Practice location
350 Hawthorne Ave RM 2346, Oakland, CA 94609
Phone
(510) 869-8671
Enumerated
Aug 25, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 350 Hawthorne Ave RM 2346

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

  1. Nkemdi Agwaramgbo, MDInternal Medicine Physician1053998682
  2. Vijay AluruInternal Medicine Physician1588026488
  3. Sharon Chan, M.D.Internal Medicine Physician1013233964
  4. Paul Cheung, M.D.Emergency Medicine Physician1942647060
  5. James Felt, M.D.Internal Medicine Physician1073621157
  6. Manjula Gunawardane, MDInternal Medicine Physician1326162272

Verify Matthew Dahnke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A64801
    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

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

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

98% fewer Medicare Part D claims than the average internal medicine physician in 2024

51 Medicare Part D claims for 16 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D.

  1. Matthew Dahnke51
  2. Specialty average2,785

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.

One hospital or facility affiliation

  1. Sutter Bay Medical FoundationBerkeley, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

451 internal medicine physician records list a Oakland practice address

They are 451 of the 18,558 NPPES records with a Oakland practice address, and 20,403 internal medicine physician records in California.

Other internal medicine physician records in California

  1. Jacob Aaron, MDSan Francisco, CA1407202518
  2. Alistair Aaronson, MDStanford, CA1457628760
  3. Jose Abad., MDSacramento, CA1144607219
  4. Donna Abare, MDOakland, CA1386722155
  5. Marce AbareScotts Valley, CA1457744708
  6. Samuel Abarte, M.D.Chula Vista, CA1578535498
  7. Alexander Abary, MDLong Beach, CA1104995919
  8. Luba Abascal, MDSan Francisco, CA1023180874
  9. Michael Abate, MDSacramento, CA1548248131
  10. Wali Abawi, D.O.Joshua Tree, CA1104362268

Common questions

What is Matthew Dahnke, M.D.'s NPI number?

Matthew Dahnke, M.D.'s National Provider Identifier (NPI) is 1487762092, issued on Aug 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Dahnke, M.D. located?

The NPPES record lists a practice address at 350 Hawthorne Ave RM 2346, Oakland, CA, 94609. Phone: (510) 869-8671. Providers update this record themselves, so call before visiting.

How can I verify Matthew Dahnke, M.D.'s license?

NPPES lists California license number A64801, 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 Matthew Dahnke, M.D. prescribe under Medicare Part D?

In 2024, Matthew Dahnke, M.D. had 51 Medicare Part D claims for 16 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.