Marc Geissberger, DDS, MA
General Practice Dentistry · Greenbrae, CA
Marc Geissberger, DDS, MA is a general practice dentistry with a practice address in Greenbrae, California, and NPI 1093817967, issued on Sep 2, 2006. Check the license (California 39639, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marc Geissberger
- Credential
- DDS, MA
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 39639 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1341 S Eliseo Dr, Greenbrae, CA 94904
- Phone
- (415) 461-1341
- Enumerated
- Sep 2, 2006
- Entity
- Type 1 · individual
Also registered at 1341 S Eliseo Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- David Berman, M.D.Internal Medicine Physician1548245921
- Catharine Clark-Sayles, M.D.Internal Medicine Physician1518952860
- Jeffrey Geissberger, DDSGeneral Practice Dentistry1225130180
Verify Marc Geissberger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 39639Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Industry payments in 2024: $92,674.67
57 payments, mostly honoraria; the largest payer was Ultradent Products Inc. The 40,968 providers of this specialty with any payment received $593.28 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.
13 general practice dentistry records list a Greenbrae practice address
They are 13 of the 727 NPPES records with a Greenbrae practice address, and 17,740 general practice dentistry records in California.
All 13 in Greenbrae → All 17,740 in California → Every provider in Greenbrae →
Other general practice dentistry records in California
- Ronald Aanerud, DDSSan Diego, CA1871752931
- Steven Aaronson, D.D.S.Santa Monica, CA1265455851
- Shahrzad Aarup, DDSPomona, CA1265784367
- Al Abad, DDSSan Jose, CA1104992148
- Erwin Abad, D.D.S.Canoga Park, CA1861590093
- Francine Abad, DDSSan Francisco, CA1942700810
- Maria Abad, D.D.S.Norwalk, CA1215006754
- Mark Ryan Abad, DDSDaly City, CA1770357394
- Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
- Ernesto Abadilla, DDSPalm Desert, CA1508063801
Common questions
What is Marc Geissberger, DDS, MA's NPI number?
Marc Geissberger, DDS, MA's National Provider Identifier (NPI) is 1093817967, issued on Sep 2, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc Geissberger, DDS, MA located?
The NPPES record lists a practice address at 1341 S Eliseo Dr, Greenbrae, CA, 94904. Phone: (415) 461-1341. Providers update this record themselves, so call before visiting.
How can I verify Marc Geissberger, DDS, MA's license?
NPPES lists California license number 39639, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.