Michael S. Mahoney, MD
Gastroenterology Physician · Auburn, CA
Michael S. Mahoney, MD is a gastroenterology physician with a practice address in Auburn, California, and NPI 1497881965, issued on Feb 26, 2007. Check the license (California A87706, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael S. Mahoney
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- A87706 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11795 Education St Ste 213, Auburn, CA 95602
- Phone
- (530) 886-6800
- Enumerated
- Feb 26, 2007
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (530) 886-6801
- Medicaid ID
- 7050815 CA
- Medicare enrollment
- Enrolled (PECOS I20040917000679); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1997
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 11795 Education St Ste 213
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dileep Atluri, M.D.Gastroenterology Physician1245444983
- Kathlynn Caguiat, M.D.Gastroenterology Physician1366616310
- Kanwardeep Grewal, M.D.Neurology Physician1104035468
- Svetlana Mulcahy, FNPFamily Nurse Practitioner1932532272
Verify Michael S. Mahoney in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A87706Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% more Medicare Part D claims than the average gastroenterology physician in 2024
1,478 Medicare Part D claims for 438 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Pantoprazole Sodium577 claims
- Omeprazole257 claims
- Dexlansoprazole Dr69 claims
- Gavilyte-C58 claims
- Mesalamine46 claims
- Zenpep36 claims
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.
Industry payments in 2024: $134.79
5 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, 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 one group practice
- Sutter Valley Medical FoundationAuburn, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael S. Mahoney among 2,140 gastroenterology physician records in California
Michael S. Mahoney, 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 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 37% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1997 · median 2002 among the 1,538 with a school on file
- Record last updated2018 · 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 Auburn → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Dileep Atluri, M.D.Auburn, CA 956021245444983
- Benjamin Brichler, M.D.Auburn, CA 956021912182312
- Kathlynn Caguiat, M.D.Auburn, CA 956021366616310
- Danny Yen, M.D.Auburn, CA 956021063498897
- Michael MassaroCarmichael, CA 956081558741447
- Kuldip Sandhu, MDCarmichael, CA 956081346380359
- David Schneiderman, MDCarmichael, CA 956081407867211
- Amanpal Singh, MDCarmichael, CA 956081184829749
Common questions
What is Michael S. Mahoney, MD's NPI number?
Michael S. Mahoney, MD's National Provider Identifier (NPI) is 1497881965, issued on Feb 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael S. Mahoney, MD located?
The NPPES record lists a practice address at 11795 Education St Ste 213, Auburn, CA, 95602. Phone: (530) 886-6800. Providers update this record themselves, so call before visiting.
How can I verify Michael S. Mahoney, MD's license?
NPPES lists California license number A87706, 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 Michael S. Mahoney, MD prescribe under Medicare Part D?
In 2024, Michael S. Mahoney, MD had 1,478 Medicare Part D claims for 438 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
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.