Registry data as of Aug 27, 2026

Timothy Dowling, DO

Family Medicine Physician · Saint Helena, CA

Timothy Dowling, DO is a family medicine physician with a practice address in Saint Helena, California, and NPI 1215946355, issued on Aug 7, 2006. Check the license (California 18094, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1215946355
Name
Timothy Dowling
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
18094 CA
C20004476 DE
Self-reported in NPPES; status is on the state search
Practice location
1222 Pine St Ste A, Saint Helena, CA 94574
Phone
(707) 963-0931
Enumerated
Aug 7, 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 1222 Pine St Ste A

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

  1. Olivia DempsterFamily Nurse Practitioner1265315618
  2. Sarah GonzalezRegistered Nurse1760228142
  3. Leah Riha, NPNurse Practitioner1558629097
  4. Teresa Shinder, D.O.Pediatrics Physician1427253764
  5. Ramiro Zarate, FNPRegistered Nurse1669612834

Verify Timothy Dowling in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 18094
    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
Open 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 →

100% fewer Medicare Part D claims than the average family medicine physician in 2024

13 Medicare Part D claims for 12 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Timothy Dowling13
  2. Specialty average3,519

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.

6 family medicine physician records list a Saint Helena practice address

They are 6 of the 232 NPPES records with a Saint Helena practice address, and 16,272 family medicine physician records in California.

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Timothy Dowling, DO's NPI number?

Timothy Dowling, DO's National Provider Identifier (NPI) is 1215946355, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Dowling, DO located?

The NPPES record lists a practice address at 1222 Pine St Ste A, Saint Helena, CA, 94574. Phone: (707) 963-0931. Providers update this record themselves, so call before visiting.

How can I verify Timothy Dowling, DO's license?

NPPES lists California license number 18094, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Timothy Dowling, DO prescribe under Medicare Part D?

In 2024, Timothy Dowling, DO had 13 Medicare Part D claims for 12 beneficiaries; the average among family medicine physician prescribers was 3,519. 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.