Michael Baek, D.O.
Gastroenterology Physician · Riverside, CA
Michael Baek, D.O. is a gastroenterology physician with a practice address in Riverside, California, and NPI 1932476975, issued on Nov 18, 2011. Check the license (California 20A12528, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Baek
- Credential
- D.O.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 20A12528 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7117 Brockton Ave, Riverside, CA 92506
- Phone
- (951) 321-6475
- Enumerated
- Nov 18, 2011
- Record last updated
- Feb 10, 2023
- Medicare enrollment
- Enrolled (PECOS I20170626002377); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 7117 Brockton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jieun AhnInternal Medicine Physician1225771173
- Shannon AllenFamily Nurse Practitioner1982089173
- Ghanim Almohammad Aljomah, M.D.Pediatric Gastroenterology Physician1447414099
- Apoorva Ananth, MDInternal Medicine Physician1558866863
- Hedy Assaad, MDPediatrics Physician1154302529
- Andre Babajanians, MDRheumatology Physician1255311676
Verify Michael Baek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A12528Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average gastroenterology physician in 2024
593 Medicare Part D claims for 208 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Pantoprazole Sodium219 claims
- Gavilyte-C75 claims
- Diphenoxylate-Atropine21 claims
- Mesalamine21 claims
- Cholestyramine20 claims
- Sucralfate20 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupWoodland Hills, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in California
There are 2,140 gastroenterology physician records in California.
Other gastroenterology physician records in California
- David Aarons, MDLodi, CA1619081379
- Constante Abaya, MDOxnard, CA1003918459
- Sadeea Abbasi, M.D., PH.D.Los Angeles, CA1366713513
- Basim Abdelkarim, MDUpland, CA1932217544
- Homan Abdollahzadeh, MDPalm Springs, CA1184634826
- John Abdulian, M.D.Fresno, CA1437114113
- Hussein Abidali, DORancho Cucamonga, CA1205274768
- Alaa Abousaif, MDOrange, CA1235124108
- Donald Abrahm, M.D.Newport Beach, CA1215022405
- Maria Abreu, M.D.West Hollywood, CA1598793374
Common questions
What is Michael Baek, D.O.'s NPI number?
Michael Baek, D.O.'s National Provider Identifier (NPI) is 1932476975, issued on Nov 18, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Michael Baek, D.O. located?
The NPPES record lists a practice address at 7117 Brockton Ave, Riverside, CA, 92506. Phone: (951) 321-6475. Providers update this record themselves, so call before visiting.
How can I verify Michael Baek, D.O.'s license?
NPPES lists California license number 20A12528, 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 Baek, D.O. prescribe under Medicare Part D?
In 2024, Michael Baek, D.O. had 593 Medicare Part D claims for 208 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.