Tim Sullivan, MD
Pediatrics Physician · Sonora, CA
Tim Sullivan, MD is a pediatrics physician with a practice address in Sonora, California, and NPI 1750481099, issued on Sep 25, 2006. Check the license (California C55917, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tim Sullivan
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License numbers
- C55917 CA
34411 IA
Self-reported in NPPES; status is on the state search - Practice location
- 12791 Cabezut RD, Sonora, CA 95370
- Phone
- (209) 532-5524
- Enumerated
- Sep 25, 2006
- Record last updated
- Jul 29, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (209) 532-1513
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 12791 Cabezut RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Birtwhistle, M.D.Pediatrics Physician1073575312
- Kelley George, MDPediatrics Physician1396721171
- Mathea Salas, D.O.Family Medicine Physician1184781932
Verify Tim Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C55917Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $35.62
1 payment: food and beverage; the largest payer was Medline Industries LP. The 21,580 providers of this specialty with any payment received $842.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Tim Sullivan among 9,272 pediatrics physician records in California
Tim Sullivan, MD is one of 9,272 pediatrics physician records with a practice address in California. 31% 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 4% of them.
- NPI issued2006 · 4% of these records are older, 56% newer
- In a Medicare fileYes · 31% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2019 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in California
There are 9,272 pediatrics physician records in California.
All 9,272 in California → Every provider in Sonora → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- William Birtwhistle, M.D.Sonora, CA 953701073575312
- Kelley George, MDSonora, CA 953701396721171
- Jennifer Neufeld-Trujillo, MDSonora, CA 953701861482671
- William Spangler, M.D.Sonora, CA 953701194701441
- Manuel De La Cruz, M.D.Tracy, CA 953761164522546
- Helene Novesteras, MDTracy, CA 953761659324101
- Megana Roopreddy, MDTracy, CA 953761134626617
- Neeta ShroffTracy, CA 953761427411214
Common questions
What is Tim Sullivan, MD's NPI number?
Tim Sullivan, MD's National Provider Identifier (NPI) is 1750481099, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Tim Sullivan, MD located?
The NPPES record lists a practice address at 12791 Cabezut RD, Sonora, CA, 95370. Phone: (209) 532-5524. Providers update this record themselves, so call before visiting.
How can I verify Tim Sullivan, MD's license?
NPPES lists California license number C55917, 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.
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.