NPPES file of Aug 9, 2026

Ronald P. Arnoldsen, DDS

General Practice Dentistry · Atascadero, CA

Ronald P. Arnoldsen, DDS is a general practice dentistry with a practice address in Atascadero, California, and NPI 1215064639, issued on Feb 27, 2007. Check the license (California 29551, as entered in NPPES) with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1215064639
Name
Ronald P. Arnoldsen
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
29551 CA
Self-reported in NPPES; status is on the state search
Practice location
10333 EL Camino Real, Atascadero, CA 93422
Phone
(805) 468-2000
Enumerated
Feb 27, 2007
Record last updated
Jul 12, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(805) 468-6011
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 10333 EL Camino Real

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

  1. Albert Abdel-Malek, MDInternal Medicine Physician1073565818
  2. Joseph Abrahamson, MDForensic Psychiatry Physician1750309423
  3. Ajibade Adeladan, MDPsychiatry Physician1013178763
  4. Henry Ahlstrom, PH.D.Clinical Psychologist1619945870
  5. Moghees AhmedPsychiatry Physician1124333125
  6. Hossein Akhavan, M.D.Internal Medicine Physician1871779942

Verify Ronald P. Arnoldsen 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 29551
    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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14 general practice dentistry records list a practice address in Atascadero

They are 14 of the 992 NPPES records with a practice address in Atascadero, and 17,852 general practice dentistry records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

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 Ronald P. Arnoldsen, DDS's NPI number?

Ronald P. Arnoldsen, DDS's National Provider Identifier (NPI) is 1215064639, issued on Feb 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ronald P. Arnoldsen, DDS located?

The NPPES record lists a practice address at 10333 EL Camino Real, Atascadero, CA, 93422. Phone: (805) 468-2000. Providers update this record themselves, so call before visiting.

How can I verify Ronald P. Arnoldsen, DDS's license?

NPPES lists California license number 29551, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.