Registry data as of Aug 27, 2026

Maria Silvera Portacio, PHD, DDS, INC.

Periodontics · Santa Maria, CA

Maria Silvera Portacio, PHD, DDS, INC. is a periodontics with a practice address in Santa Maria, California, and NPI 1174561534, issued on Jun 4, 2006. Check the license (California 53563, 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, loaded Aug 27, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1174561534
Name
Maria Silvera Portacio
Credential
PHD, DDS, INC.
Primary taxonomy
Periodontics 1223P0300X
License number
53563 CA
Self-reported in NPPES; status is on the state search
Practice location
210 S Palisade Dr, Santa Maria, CA 93454
Phone
(805) 928-7979
Enumerated
Jun 4, 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 210 S Palisade Dr

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

  1. Ian Chang, D.D.S.Endodontics1538182092
  2. Ramanand Dandillaya, M.D.Neurological Surgery Physician1508847187
  3. Sharon Elam, M.F.T.Marriage & Family Therapist1194756098
  4. Christopher Hurdle, AU.DAudiologist1093871204
  5. Thuy Le, M.D.Specialist1184627929
  6. Victoria Morawitz, NPNurse Practitioner1912932591

Verify Maria Silvera Portacio 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 53563
    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
Find 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 →

77% fewer Medicare Part D claims than the average periodontics in 2024

65 Medicare Part D claims for 19 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.

  1. Maria Silvera Portacio65
  2. Specialty average277

Most prescribed

  1. Chlorhexidine Gluconate17 claims
  2. Amoxicillin15 claims
  3. Ibuprofen13 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.

Periodontics providers in California

There are 929 periodontics records in California.

Other periodontics records in California

  1. Bruce Abe, D.D.S.San Diego, CA1235104688
  2. Kenneth Abe, DDSLos Altos, CA1912039967
  3. Michael Abelson, D.D.S.,M.S.Valencia, CA1225235617
  4. Marwa Abulhasan, DMD, MS, MMMLos Angeles, CA1932453198
  5. Sonali Acharya, BDS, MDS, DMDSanta Rosa, CA1396418604
  6. Christopher Acone, DDSTorrance, CA1659576551
  7. Mustafa AdamiRedlands, CA1750739983
  8. Thomas Adamich, DDSHuntington Beach, CA1063579670
  9. Bijan Afar, DDSLos Angeles, CA1700954385
  10. Caitlyn Affrunti, D.D.S., M.S.Redlands, CA1316316938

Common questions

What is Maria Silvera Portacio, PHD, DDS, INC.'s NPI number?

Maria Silvera Portacio, PHD, DDS, INC.'s National Provider Identifier (NPI) is 1174561534, issued on Jun 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Maria Silvera Portacio, PHD, DDS, INC. located?

The NPPES record lists a practice address at 210 S Palisade Dr, Santa Maria, CA, 93454. Phone: (805) 928-7979. Providers update this record themselves, so call before visiting.

How can I verify Maria Silvera Portacio, PHD, DDS, INC.'s license?

NPPES lists California license number 53563, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Maria Silvera Portacio, PHD, DDS, INC. prescribe under Medicare Part D?

In 2024, Maria Silvera Portacio, PHD, DDS, INC. had 65 Medicare Part D claims for 19 beneficiaries; the average among periodontics prescribers was 277. 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.

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) 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 27, 2026.