NPPES file of Aug 9, 2026

Patricia Ann Ryan, D.D.S.

General Practice Dentistry · Fullerton, CA

Patricia Ann Ryan, D.D.S. is a general practice dentistry with a practice address in Fullerton, California, and NPI 1689751968, issued on Nov 1, 2006. Check the license (California 39201, 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
1689751968
Name
Patricia Ann Ryan
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
39201 CA
Self-reported in NPPES; status is on the state search
Practice location
270 Laguna RD, Fullerton, CA 92835
Phone
(714) 871-7500
Enumerated
Nov 1, 2006
Record last updated
Jul 8, 2007 (not updated in 19 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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Also registered at 270 Laguna RD

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

  1. Charles Bittel, O.D.Optometrist1912112996
  2. Carl Hess, MDPain Medicine (Anesthesiology) Physician1154471118
  3. Matthew Kim, M.D.Ophthalmology Physician1770514465
  4. Maryanne Marcolivio, O.D.Optometrist1174685564
  5. William Peloquin, M.D.Ophthalmology Physician1932261336
  6. Daniel Potter, M.D.Reproductive Endocrinology Physician1043280605

Verify Patricia Ann Ryan 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 39201
    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.

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87% fewer Medicare Part D claims than the average general practice dentistry in 2024

11 Medicare Part D claims for 11 beneficiaries, 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. Patricia Ryan11
  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.

Industry payments in 2024: $189.71

6 payments; by number, the most common kind was food and beverage; the largest payer was Ultradent Products Inc. The 41,669 providers of this specialty with any payment received $597.01 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Patricia Ryan$189.71
  2. Specialty average$597.01

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Patricia Ann Ryan among 17,852 general practice dentistry records in California

Patricia Ann Ryan, 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% 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).

75 general practice dentistry records list a practice address in Fullerton

They are 75 of the 5,437 NPPES records with a practice address in Fullerton, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Elizabeth Berbos, D.M.D.Fullerton, CA 928351053403949
  2. Karen Depaoli, DDSFullerton, CA 928351144553900
  3. Don Ellertson, DDSFullerton, CA 928351669420303
  4. Gordon Haag, D.D.S.Fullerton, CA 928351215059837
  5. Timothy Hedrick, DDSFullerton, CA 928351093929937
  6. Stephen Noble, DDSBig Bear Lake, CA 928351689643165
  7. Cheryl Oshida, DDSFullerton, CA 928351528247913
  8. Hercules Real, D.D.S.Fullerton, CA 928351427052778

Common questions

What is Patricia Ann Ryan, D.D.S.'s NPI number?

Patricia Ann Ryan, D.D.S.'s National Provider Identifier (NPI) is 1689751968, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Patricia Ann Ryan, D.D.S. located?

The NPPES record lists a practice address at 270 Laguna RD, Fullerton, CA, 92835. Phone: (714) 871-7500. Providers update this record themselves, so call before visiting.

How can I verify Patricia Ann Ryan, D.D.S.'s license?

NPPES lists California license number 39201, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Patricia Ann Ryan, D.D.S. prescribe under Medicare Part D?

In 2024, Patricia Ann Ryan, D.D.S. had 11 Medicare Part D claims for 11 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.