Rebecca Marie Ruiz, M.D.
Emergency Medicine Physician · Bellflower, CA
Rebecca Marie Ruiz, M.D. is an emergency medicine physician with a practice address in Bellflower, California, and NPI 1407021215, issued on Apr 23, 2008. Check the license (California A122786, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Rebecca Marie Ruiz
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A122786 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9542 Artesia Blvd, Bellflower, CA 90706
- Phone
- (562) 925-8355
- Enumerated
- Apr 23, 2008
- Record last updated
- Oct 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130502000381); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 9542 Artesia Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rebecca Marie Ruiz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A122786Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% more Medicare Part D claims than the average emergency medicine physician in 2024
356 Medicare Part D claims for 271 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 15 claims were for opioids.
Most prescribed
- Cephalexin37 claims
- Nitrofurantoin Mono-Macro30 claims
- Doxycycline Monohydrate29 claims
- Ibuprofen23 claims
- Amoxicillin-Clavulanate Potass22 claims
- Albuterol Sulfate Hfa20 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cep America - CaliforniaGlendora, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rebecca Marie Ruiz among 7,751 emergency medicine physician records in California
Rebecca Marie Ruiz, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% 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 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2008 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
36 emergency medicine physician records list a practice address in Bellflower
They are 36 of the 1,468 NPPES records with a practice address in Bellflower, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Bellflower → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Adrian Acevedo, MDBellflower, CA 907061407923303
- Abhinandan Desai, MDBellflower, CA 907061770650780
- Alison Fong, MDBellflower, CA 907061053488932
- Susan Gonzalez, MDBellflower, CA 907061114094075
- Scott Gwaltney, M.D.Bellflower, CA 907061205947488
- Lilian Li, MDBellflower, CA 907061265503171
- Richard Ludlow, MDBellflower, CA 907061477620334
- Nina Nash, MDBellflower, CA 907061639240542
Common questions
What is Rebecca Marie Ruiz, M.D.'s NPI number?
Rebecca Marie Ruiz, M.D.'s National Provider Identifier (NPI) is 1407021215, issued on Apr 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Rebecca Marie Ruiz, M.D. located?
The NPPES record lists a practice address at 9542 Artesia Blvd, Bellflower, CA, 90706. Phone: (562) 925-8355. Providers update this record themselves, so call before visiting.
How can I verify Rebecca Marie Ruiz, M.D.'s license?
NPPES lists California license number A122786, 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 Rebecca Marie Ruiz, M.D. prescribe under Medicare Part D?
In 2024, Rebecca Marie Ruiz, M.D. had 356 Medicare Part D claims for 271 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Rebecca Marie Ruiz, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.