Marianne Ruth Spamer, DDS
Dentist · San Ramon, CA
Marianne Ruth Spamer, DDS is a dentist with a practice address in San Ramon, California, and NPI 1164573028, issued on Jan 16, 2007. Check the license (California 28094, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marianne Ruth Spamer
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 28094 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2810 Crow Canyon RD, San Ramon, CA 94583
- Phone
- (925) 838-0066
- Enumerated
- Jan 16, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (925) 838-4475
- Entity
- Type 1 · individual
Also registered at 2810 Crow Canyon RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martha Amare, DDSGeneral Practice Dentistry1659695617
- John Eberle, DDSGeneral Practice Dentistry1659446177
Verify Marianne Ruth Spamer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 28094Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average dentist in 2024
63 Medicare Part D claims for 19 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Chlorhexidine Gluconate37 claims
- Azithromycin20 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.
49 dentist records list a practice address in San Ramon
They are 49 of the 2,281 NPPES records with a practice address in San Ramon, and 14,729 dentist records in California.
All 49 in San Ramon → All 14,729 in California → Every provider in San Ramon →
Other dentist records in California
- Chantelle AabediLos Angeles, CA1740895150
- Sohrab Aalam, DMDIrvine, CA1497431100
- Rick Aaronian, DDSFresno, CA1245452184
- Michael Aaronson, DDSSan Rafael, CA1992029722
- Autumn Abadesco, DDSLa Puente, CA1952857237
- Behzad Abadi, DMDDowney, CA1588879100
- Esfandiar Abadi, DDSSacramento, CA1992926448
- Bahareh AbadianSan Jose, CA1689169005
- Reza Abaei Tafreshi, DDSIrvine, CA1134656804
- Michael AbaianSherman Oaks, CA1023263167
Common questions
What is Marianne Ruth Spamer, DDS's NPI number?
Marianne Ruth Spamer, DDS's National Provider Identifier (NPI) is 1164573028, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Marianne Ruth Spamer, DDS located?
The NPPES record lists a practice address at 2810 Crow Canyon RD, San Ramon, CA, 94583. Phone: (925) 838-0066. Providers update this record themselves, so call before visiting.
How can I verify Marianne Ruth Spamer, DDS's license?
NPPES lists California license number 28094, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Marianne Ruth Spamer, DDS prescribe under Medicare Part D?
In 2024, Marianne Ruth Spamer, DDS had 63 Medicare Part D claims for 19 beneficiaries; the average among dentist prescribers was 86. 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.