Michelle Fabiola Rios, M.D.
Internal Medicine Physician · Santa Monica, CA
Michelle Fabiola Rios, M.D. is an internal medicine physician with a practice address in Santa Monica, California, and NPI 1447495411, issued on Dec 4, 2008. Check the license (California A110502, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michelle Fabiola Rios
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A110502 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1245 16TH St, Santa Monica, CA 90404
- Phone
- (310) 319-4377
- Enumerated
- Dec 4, 2008
- Record last updated
- Nov 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (310) 319-4425
- Medicaid ID
- 1447495411 CA
- Medicare enrollment
- Enrolled (PECOS I20111115000213); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1245 16TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michelle Fabiola Rios in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A110502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% more Medicare Part D claims than the average internal medicine physician in 2024
5,658 Medicare Part D claims for 728 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 161 claims were for opioids.
Most prescribed
- Atorvastatin Calcium385 claims
- Losartan Potassium284 claims
- Levothyroxine Sodium192 claims
- Amlodipine Besylate191 claims
- Rosuvastatin Calcium169 claims
- Omeprazole167 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 GroupBellflower, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michelle Fabiola Rios among 17,696 internal medicine physician records in California
Michelle Fabiola Rios, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 internal medicine physician records list a practice address in Santa Monica
They are 168 of the 5,151 NPPES records with a practice address in Santa Monica, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Santa Monica → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Robert Ashley, MDSanta Monica, CA 904041780628487
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- Chiquita Flowers, M.D.Santa Monica, CA 904041972595700
- Glenn Gorlitsky, M.D.Santa Monica, CA 904041881625143
- Oscar Hernandez, M.D.Santa Monica, CA 904041699706952
- Mark McGowan, MDSanta Monica, CA 904041720015902
- Alex Messina, MDSanta Monica, CA 904041902867823
- Mark Nachman, MDSanta Monica, CA 904041104803683
Common questions
What is Michelle Fabiola Rios, M.D.'s NPI number?
Michelle Fabiola Rios, M.D.'s National Provider Identifier (NPI) is 1447495411, issued on Dec 4, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Fabiola Rios, M.D. located?
The NPPES record lists a practice address at 1245 16TH St, Santa Monica, CA, 90404. Phone: (310) 319-4377. Providers update this record themselves, so call before visiting.
How can I verify Michelle Fabiola Rios, M.D.'s license?
NPPES lists California license number A110502, 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 Michelle Fabiola Rios, M.D. prescribe under Medicare Part D?
In 2024, Michelle Fabiola Rios, M.D. had 5,658 Medicare Part D claims for 728 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.