Paul Simon, MD
Family Medicine Physician · San Marcos, CA
Paul Simon, MD is a family medicine physician with a practice address in San Marcos, California, and NPI 1659060424, issued on May 5, 2023. Check the license (California A205012, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Paul Simon
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A205012 CA
Self-reported in NPPES; status is on the state search - Practice location
- 150 Valpreda RD, San Marcos, CA 92069
- Phone
- (760) 736-6767
- Enumerated
- May 5, 2023
- Record last updated
- Apr 14, 2026
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 150 Valpreda RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jannah Alaoui, CNM, RNAdvanced Practice Midwife1689908113
- Wais Alemi, MDFamily Medicine Physician1427305242
- Leon Altamirano, PSY.D.Psychologist1619271517
- Blanca Arias, LCSWClinical Social Worker1033223649
- Lynda Ariella, PHDClinical Psychologist1073518965
- Maria BanuelosCase Manager/Care Coordinator1720280589
Verify Paul Simon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A205012Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average family medicine physician in 2024
431 Medicare Part D claims for 86 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium16 claims
- Gabapentin14 claims
- Omeprazole14 claims
- Albuterol Sulfate Hfa13 claims
- Lisinopril12 claims
- Losartan Potassium12 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.
Paul Simon among 17,133 family medicine physician records in California
Paul Simon, MD 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 2023, is newer than 97% of them.
- NPI issued2023 · 97% of these records are older, 1% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 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).
47 family medicine physician records list a practice address in San Marcos
They are 47 of the 1,985 NPPES records with a practice address in San Marcos, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in San Marcos → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Wais Alemi, MDSan Marcos, CA 920691427305242
- Oksana Hirniak, D.O.San Marcos, CA 920691891750345
- Cheng Lee, M.D.San Marcos, CA 920691598098345
- Julie Matias, D.O.San Marcos, CA 920691083094510
- Kathryn McHenry, D.O.San Marcos, CA 920691326458373
- Devarshi Nath, MDSan Marcos, CA 920691275630618
- Peter Novota, M.D.San Marcos, CA 920691124132394
- Isela Penunuri, MDSan Marcos, CA 920691548295439
Common questions
What is Paul Simon, MD's NPI number?
Paul Simon, MD's National Provider Identifier (NPI) is 1659060424, issued on May 5, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Paul Simon, MD located?
The NPPES record lists a practice address at 150 Valpreda RD, San Marcos, CA, 92069. Phone: (760) 736-6767. Providers update this record themselves, so call before visiting.
How can I verify Paul Simon, MD's license?
NPPES lists California license number A205012, 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 Paul Simon, MD prescribe under Medicare Part D?
In 2024, Paul Simon, MD had 431 Medicare Part D claims for 86 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.