Steven Paul Santoyo, M.D.
Family Medicine Physician · San Diego, CA
Steven Paul Santoyo, M.D. is a family medicine physician with a practice address in San Diego, California, and NPI 1154395440, issued on Feb 14, 2006. Check the license (California A81022, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Steven Paul Santoyo
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A81022 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3544 30TH St, San Diego, CA 92104
- Phone
- (619) 515-2424
- Enumerated
- Feb 14, 2006
- Record last updated
- Jun 6, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20071008000451); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3544 30TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Denisse Abdo, RDHealth Educator1164734513
- Shawn Baisley, PA-CPhysician Assistant1376936120
- Martha Benitez, DOInternal Medicine Physician1124521901
- Teah Caine Flores, M.D.Family Medicine Physician1972966679
- Nora CardonaClinical Social Worker1295655389
- Tsuh-Yin Chen, MDInternal Medicine Physician1093803520
Verify Steven Paul Santoyo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A81022Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% fewer Medicare Part D claims than the average family medicine physician in 2024
2,274 Medicare Part D claims for 214 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 54 claims were for opioids.
Most prescribed
- Atorvastatin Calcium114 claims
- Amlodipine Besylate96 claims
- Metformin Hcl96 claims
- Losartan Potassium90 claims
- Zolpidem Tartrate75 claims
- Tamsulosin Hcl73 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: $651.69
34 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Clara Lucy Polak MD IncNational City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Paul Santoyo among 17,133 family medicine physician records in California
Steven Paul Santoyo, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 59% 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 updated2008 · 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).
780 family medicine physician records list a practice address in San Diego
They are 780 of the 52,937 NPPES records with a practice address in San Diego, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Diego → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Teah Caine Flores, M.D.San Diego, CA 921041972966679
- Monika Drzymalski, DOSan Diego, CA 921041790262210
- Abida FaizSan Diego, CA 921041699200105
- Tuyet Lather, D.O.San Diego, CA 921041467668053
- Larry Lyle, D.O.San Diego, CA 921041669547469
- Ignacio Ramirez-Ochoa, M.D.San Diego, CA 921041952495624
- Brian Woolford, MDSan Diego, CA 921041952333239
- Brooke BarreireSan Diego, CA 921031134931603
Common questions
What is Steven Paul Santoyo, M.D.'s NPI number?
Steven Paul Santoyo, M.D.'s National Provider Identifier (NPI) is 1154395440, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Paul Santoyo, M.D. located?
The NPPES record lists a practice address at 3544 30TH St, San Diego, CA, 92104. Phone: (619) 515-2424. Providers update this record themselves, so call before visiting.
How can I verify Steven Paul Santoyo, M.D.'s license?
NPPES lists California license number A81022, 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 Steven Paul Santoyo, M.D. prescribe under Medicare Part D?
In 2024, Steven Paul Santoyo, M.D. had 2,274 Medicare Part D claims for 214 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.