Stephen J. Denigris, MD
Gastroenterology Physician · Petaluma, CA
Stephen J. Denigris, MD is a gastroenterology physician with a practice address in Petaluma, California, and NPI 1699888610, issued on Aug 16, 2006. Check the license (California G87469, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen J. Denigris
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G87469 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1383 N Mcdowell Blvd, Petaluma, CA 94954
- Phone
- (707) 766-9852
- Enumerated
- Aug 16, 2006
- Record last updated
- Nov 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (707) 766-1749
- Medicaid ID
- 00G874690 CA
- Medicare enrollment
- Enrolled (PECOS I20050830000658); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1383 N Mcdowell Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mary Martindale, NPFamily Nurse Practitioner1376279810
- Kenneth Piters, M.D.Anesthesiology Physician1437173051
- Eiler Sommerhaug, M.D.Plastic and Reconstructive Surgery Physician1659353555
- Kimberly Sommerhaug, NP, MSNFamily Nurse Practitioner1609037951
Verify Stephen J. Denigris in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G87469Check 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: $125.00
1 payment: food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through 2 group practices
- Providence Medical FoundationSanta Rosa, CA
- Ukiah Adventist HospitalUkiah, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen J. Denigris among 2,140 gastroenterology physician records in California
Stephen J. Denigris, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 48% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1988 · median 2002 among the 1,538 with a school on file
- Record last updated2012 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
All 2,140 in California → Every provider in Petaluma → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Timothy Sowerby, MDPetaluma, CA 949541063475952
- Wendy Davis, M.D.Corte Madera, CA 949251336293653
- Jennifer Frankel, M.D.Corte Madera, CA 949251194941799
- Elijah VerheyenCorte Madera, CA 949251780047332
- John Bettinger, M.D.Greenbrae, CA 949041225037500
- David Bloom, MDGreenbrae, CA 949041619931011
- Christopher Hogan, M.D.Greenbrae, CA 949041376867010
- Danny Kao, MDGreenbrae, CA 949041396709796
Common questions
What is Stephen J. Denigris, MD's NPI number?
Stephen J. Denigris, MD's National Provider Identifier (NPI) is 1699888610, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen J. Denigris, MD located?
The NPPES record lists a practice address at 1383 N Mcdowell Blvd, Petaluma, CA, 94954. Phone: (707) 766-9852. Providers update this record themselves, so call before visiting.
How can I verify Stephen J. Denigris, MD's license?
NPPES lists California license number G87469, 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.