John James Sullivan, MD
Pediatrics Physician · Eureka, CA
John James Sullivan, MD is a pediatrics physician with a practice address in Eureka, California, and NPI 1124107081, issued on Nov 3, 2006. Check the license (California G37184, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John James Sullivan
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- G37184 CA
Self-reported in NPPES; status is on the state search - Practice location
- 525 2ND St, Eureka, CA 95501
- Phone
- (707) 445-0893
- Enumerated
- Nov 3, 2006
- Record last updated
- Dec 31, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (707) 444-2563
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 9,272 in California → Look up another NPI →
Also registered at 525 2ND St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John James Sullivan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G37184Check 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: $28.24
1 payment: food and beverage; the largest payer was Teva Pharmaceuticals USA, Inc. 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.
John James Sullivan among 9,272 pediatrics physician records in California
John James 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 updated2013 · 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 Eureka → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Lorraine Byrd, DOEureka, CA 955011114968310
- Pippa Coulter, MD, PHDEureka, CA 955011033183777
- Mark Ellis, MDEureka, CA 955011003812744
- Leslie Fittinghoff, MDEureka, CA 955011902844046
- Elizabeth FlahertyEureka, CA 955011245817311
- Teresa Frankovich, MDEureka, CA 955011073609400
- James Matsuda, MDEureka, CA 955011720066061
- Devin Wong, MDEureka, CA 955011942521232
Common questions
What is John James Sullivan, MD's NPI number?
John James Sullivan, MD's National Provider Identifier (NPI) is 1124107081, issued on Nov 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John James Sullivan, MD located?
The NPPES record lists a practice address at 525 2ND St, Eureka, CA, 95501. Phone: (707) 445-0893. Providers update this record themselves, so call before visiting.
How can I verify John James Sullivan, MD's license?
NPPES lists California license number G37184, 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.