Brett William Sadowski, M.D.
Gastroenterology Physician · San Diego, CA
Brett William Sadowski, M.D. is a gastroenterology physician with a practice address in San Diego, California, and NPI 1669810701, issued on Jun 11, 2013. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Brett William Sadowski
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License numbers
- 0101257067 VA
MD227174 OR
Self-reported in NPPES; status is on the state search - Practice location
- Naval Medical Center San Diego, San Diego, CA 92130
- Phone
- (619) 532-9750
- Enumerated
- Jun 11, 2013
- Record last updated
- Oct 15, 2025
- Medicare enrollment
- Enrolled (PECOS I20251031001097); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Verify Brett William Sadowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Peacehealth Medical GroupSpringfield, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brett William Sadowski among 2,140 gastroenterology physician records in California
Brett William Sadowski, M.D. 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 2013, is newer than 80% of them.
- NPI issued2013 · 80% of these records are older, 17% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2013 · median 2002 among the 1,538 with a school on file
- Record last updated2025 · 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 San Diego → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Caroline Diamant, M.D.San Diego, CA 921301346345949
- Chiara MaruggiSan Diego, CA 921301578094132
- Thuy Anh Le, M.D.San Diego, CA 921311811163926
- Erin Song, MDSan Diego, CA 921311275094344
- Joshua Steichen, M.D.San Diego, CA 921311659503688
- John Lyons, M.D.San Diego, CA 921281417156068
- Kristina Seeger, M.D.San Diego, CA 921281598022303
- Emily Singh, M.D.San Diego, CA 921281548370935
Common questions
What is Brett William Sadowski, M.D.'s NPI number?
Brett William Sadowski, M.D.'s National Provider Identifier (NPI) is 1669810701, issued on Jun 11, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Brett William Sadowski, M.D. located?
The NPPES record lists a practice address at Naval Medical Center San Diego, San Diego, CA, 92130. Phone: (619) 532-9750. Providers update this record themselves, so call before visiting.
How can I verify Brett William Sadowski, M.D.'s license?
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.