Mark Anthony Mayrina Santos, M.D.
Family Medicine Physician · Banning, CA
Mark Anthony Mayrina Santos, M.D. is a family medicine physician with a practice address in Banning, California, and NPI 1508052010, issued on Sep 18, 2007. Check the license (California A100509, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Anthony Mayrina Santos
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A100509 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5957 W Ramsey St, Banning, CA 92220
- Phone
- (951) 845-0313
- Enumerated
- Sep 18, 2007
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (951) 769-1156
- Medicaid IDs
- 1174760953 CA
1508052010 CA - Medicare enrollment
- Enrolled (PECOS I20080213000455); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 5957 W Ramsey St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Budd, PA-CPhysician Assistant1942976204
- Joshua Choi, M.D.Internal Medicine Physician1205270766
- Janet CooperFamily Nurse Practitioner1487085403
- Irada Dalili, M.D.Family Medicine Physician1528092459
- Scott DitchInternal Medicine Physician1447787171
- Dai Du, M.D.Emergency Medicine Physician1962440750
Verify Mark Anthony Mayrina Santos in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100509Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
13% fewer Medicare Part D claims than the average family medicine physician in 2024
3,082 Medicare Part D claims for 509 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 231 claims were for opioids.
Most prescribed
- Atorvastatin Calcium289 claims
- Amlodipine Besylate148 claims
- Lisinopril147 claims
- Losartan Potassium135 claims
- Hydrocodone-Acetaminophen102 claims
- Ibuprofen78 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 GroupVictorville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Anthony Mayrina Santos among 17,133 family medicine physician records in California
Mark Anthony Mayrina Santos, M.D. is one of 17,133 family 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2001 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 family medicine physician records list a practice address in Banning
They are 25 of the 515 NPPES records with a practice address in Banning, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Banning → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kim Bennett, P.A.Banning, CA 922201992733141
- Irada Dalili, M.D.Banning, CA 922201528092459
- Karen Davis, MDBanning, CA 922201396759346
- Mark Foster, M.DBanning, CA 922201336189042
- Howard Green, MDBanning, CA 922201851330674
- Frederick Lloyd, MDBanning, CA 922201528053303
- Arnold Magbanua, M.D.Banning, CA 922201831203439
- Michael Kenneth Mindoro, M.D.Banning, CA 922201801974845
Common questions
What is Mark Anthony Mayrina Santos, M.D.'s NPI number?
Mark Anthony Mayrina Santos, M.D.'s National Provider Identifier (NPI) is 1508052010, issued on Sep 18, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mark Anthony Mayrina Santos, M.D. located?
The NPPES record lists a practice address at 5957 W Ramsey St, Banning, CA, 92220. Phone: (951) 845-0313. Providers update this record themselves, so call before visiting.
How can I verify Mark Anthony Mayrina Santos, M.D.'s license?
NPPES lists California license number A100509, 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 Mark Anthony Mayrina Santos, M.D. prescribe under Medicare Part D?
In 2024, Mark Anthony Mayrina Santos, M.D. had 3,082 Medicare Part D claims for 509 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.