NPPES file of Aug 9, 2026

Oscar Ventanilla, D.D.S.

General Practice Dentistry · Petaluma, CA

Oscar Ventanilla, D.D.S. is a general practice dentistry with a practice address in Petaluma, California, and NPI 1952452609, issued on Jan 16, 2007. Check the license (California 53885, 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
1952452609
Name
Oscar Ventanilla
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
53885 CA
Self-reported in NPPES; status is on the state search
Practice location
1580 E Washington St, Petaluma, CA 94954
Phone
(707) 763-1959
Enumerated
Jan 16, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(707) 763-6381
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 1580 E Washington St

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

  1. Kevon Arthurs, N.D.Naturopath1841462355
  2. R. Johns, D.D.S.General Practice Dentistry1316099831
  3. Brian Lemesh, D.C.Chiropractor1164569927

Verify Oscar Ventanilla 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 53885
    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

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67% fewer Medicare Part D claims than the average general practice dentistry in 2024

27 Medicare Part D claims for 22 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Oscar Ventanilla27
  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.

Oscar Ventanilla among 17,852 general practice dentistry records in California

Oscar Ventanilla, D.D.S. is one of 17,852 general practice dentistry records with a practice address in California. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 29% of them.

  • NPI issued2007 · 29% of these records are older, 40% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

38 general practice dentistry records list a practice address in Petaluma

They are 38 of the 1,856 NPPES records with a practice address in Petaluma, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Surya Manga Achyuta, DDSPetaluma, CA 949541598851693
  2. Von Chan, D.D.S., INCPetaluma, CA 949541922027440
  3. Dinu Gray, DDSPetaluma, CA 949541679660633
  4. Francis Heggli, D.D.S.Petaluma, CA 949541659598977
  5. R. Johns, D.D.S.Petaluma, CA 949541316099831
  6. Michael Jones, D.D.S.Petaluma, CA 949541427150275
  7. Robert Koenitzer, DDSPetaluma, CA 949541497828545
  8. Gary Komenaka, DMDPetaluma, CA 949541649284118

Common questions

What is Oscar Ventanilla, D.D.S.'s NPI number?

Oscar Ventanilla, D.D.S.'s National Provider Identifier (NPI) is 1952452609, issued on Jan 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Oscar Ventanilla, D.D.S. located?

The NPPES record lists a practice address at 1580 E Washington St, Petaluma, CA, 94954. Phone: (707) 763-1959. Providers update this record themselves, so call before visiting.

How can I verify Oscar Ventanilla, D.D.S.'s license?

NPPES lists California license number 53885, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Oscar Ventanilla, D.D.S. prescribe under Medicare Part D?

In 2024, Oscar Ventanilla, D.D.S. had 27 Medicare Part D claims for 22 beneficiaries; 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.