NPPES file of Aug 9, 2026

Seneca Mariano, D.D.S.

General Practice Dentistry · San Ramon, CA

Seneca Mariano, D.D.S. is a general practice dentistry with a practice address in San Ramon, California, and NPI 1861773160, issued on Aug 31, 2011. Check the license (California 60754, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1861773160
Name
Seneca Mariano
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
60754 CA
Self-reported in NPPES; status is on the state search
Practice location
2417 Promontory Cir, San Ramon, CA 94583
Phone
(510) 449-8743
Enumerated
Aug 31, 2011
Record last updated
Sep 2, 2011 (not updated in 15 years: call before relying on the address or phone)
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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Verify Seneca Mariano in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 60754
    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
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84% fewer Medicare Part D claims than the average general practice dentistry in 2024

13 Medicare Part D claims, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Seneca Mariano13
  2. Specialty average83

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.

56 general practice dentistry records list a practice address in San Ramon

They are 56 of the 2,281 NPPES records with a practice address in San Ramon, and 17,852 general practice dentistry records in California.

Other general practice dentistry records in California

  1. Ronald Aanerud, DDSSan Diego, CA1871752931
  2. Steven Aaronson, D.D.S.Santa Monica, CA1265455851
  3. Shahrzad Aarup, DDSPomona, CA1265784367
  4. Al Abad, DDSSan Jose, CA1104992148
  5. Erwin Abad, D.D.S.Canoga Park, CA1861590093
  6. Francine Abad, DDSSan Francisco, CA1942700810
  7. Maria Abad, D.D.S.Norwalk, CA1215006754
  8. Mark Ryan Abad, DDSDaly City, CA1770357394
  9. Sanaz Abadi, D.D.S.Los Angeles, CA1699934026
  10. Ernesto Abadilla, DDSPalm Desert, CA1508063801

Common questions

What is Seneca Mariano, D.D.S.'s NPI number?

Seneca Mariano, D.D.S.'s National Provider Identifier (NPI) is 1861773160, issued on Aug 31, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Seneca Mariano, D.D.S. located?

The NPPES record lists a practice address at 2417 Promontory Cir, San Ramon, CA, 94583. Phone: (510) 449-8743. Providers update this record themselves, so call before visiting.

How can I verify Seneca Mariano, D.D.S.'s license?

NPPES lists California license number 60754, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Seneca Mariano, D.D.S. prescribe under Medicare Part D?

In 2024, Seneca Mariano, D.D.S. had 13 Medicare Part D claims; the average among general practice dentistry prescribers was 83. 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.