Michael Jonathan Ringer, MD
Gastroenterology Physician · Modesto, CA
Michael Jonathan Ringer, MD is a gastroenterology physician with a practice address in Modesto, California, and NPI 1184611220, issued on Oct 4, 2005. Check the license (California G15823, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Jonathan Ringer
- Credential
- MD
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- G15823 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1541 Florida Ave, Modesto, CA 95350
- Phone
- (209) 577-3388
- Enumerated
- Oct 4, 2005
- Record last updated
- Mar 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (209) 523-0764
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 2,140 in California → Look up another NPI →
Also registered at 1541 Florida Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael Jonathan Ringer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G15823Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% more Medicare Part D claims than the average gastroenterology physician in 2024
983 Medicare Part D claims for 412 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 22% of claims.
Most prescribed
- Omeprazole217 claims
- Sod Sulf-Potass Sulf-Mag Sulf190 claims
- Pantoprazole Sodium93 claims
- Gavilyte-G50 claims
- Peg-3350 And Electrolytes30 claims
- Loperamide29 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: $16.52
1 payment: food and beverage; the largest payer was Celgene Corporation. 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.
Michael Jonathan Ringer among 2,140 gastroenterology physician records in California
Michael Jonathan Ringer, 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2011 · 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 Modesto → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Tanya Dam, DOModesto, CA 953501104105030
- William Griffiths, MDModesto, CA 953501689661720
- Waleed Ibrahim, M.D.Modesto, CA 953501407052244
- Richard Plotzker, MDModesto, CA 953501861489908
- Madhu Kris, M.D.Merced, CA 953481427112366
- Sivakumar Munnangi, M.D.Merced, CA 953481447432463
- Keith Leibowitz, MDModesto, CA 953541083689335
- Safwat Absood, M.D.Modesto, CA 953551932113891
Common questions
What is Michael Jonathan Ringer, MD's NPI number?
Michael Jonathan Ringer, MD's National Provider Identifier (NPI) is 1184611220, issued on Oct 4, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Michael Jonathan Ringer, MD located?
The NPPES record lists a practice address at 1541 Florida Ave, Modesto, CA, 95350. Phone: (209) 577-3388. Providers update this record themselves, so call before visiting.
How can I verify Michael Jonathan Ringer, MD's license?
NPPES lists California license number G15823, 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 Jonathan Ringer, MD prescribe under Medicare Part D?
In 2024, Michael Jonathan Ringer, MD had 983 Medicare Part D claims for 412 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.