Carlos Xavier Ayon Martinez, M.D.
Family Medicine Physician · Temecula, CA
Carlos Xavier Ayon Martinez, M.D. is a family medicine physician with a practice address in Temecula, California, and NPI 1154583128, issued on Jun 30, 2008. Check the license (California A114419, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Carlos Xavier Ayon Martinez
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A114419 CA
Self-reported in NPPES; status is on the state search - Practice location
- 41715 Winchester RD, Temecula, CA 92590
- Phone
- (760) 737-6960
- Enumerated
- Jun 30, 2008
- Record last updated
- Jun 20, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110616000757); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 41715 Winchester RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shannon Belcher, FNP-CFamily Nurse Practitioner1013753110
- David Bucher, MDFamily Medicine Physician1790735033
- Norberto Carlos, LCSWClinical Social Worker1275622672
- Stephen Caso, PA-CPhysician Assistant1083916985
- Caroline Dimarucot, M.D.Pediatrics Physician1962673897
- Kerry Erling, PAMedical Physician Assistant1144452160
Verify Carlos Xavier Ayon Martinez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A114419Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average family medicine physician in 2024
5,265 Medicare Part D claims for 409 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 12 claims were for opioids.
Most prescribed
- Atorvastatin Calcium525 claims
- Losartan Potassium317 claims
- Amlodipine Besylate306 claims
- Metformin Hcl238 claims
- Levothyroxine Sodium235 claims
- Lisinopril230 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: $34.24
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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
- Neighborhood HealthcareTemecula, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carlos Xavier Ayon Martinez among 17,133 family medicine physician records in California
Carlos Xavier Ayon Martinez, 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 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% 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 updated2013 · 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).
80 family medicine physician records list a practice address in Temecula
They are 80 of the 4,057 NPPES records with a practice address in Temecula, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Temecula → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Cristina Bailey, M.D.Temecula, CA 925901598715823
- David Bucher, MDTemecula, CA 925901790735033
- Walter Combs, MDTemecula, CA 925901104876598
- Mary Gentile, DOTemecula, CA 925901861480998
- Gerardo Hizon, MD, FAAFP, CAQSMTemecula, CA 925901205898558
- Claudia Hsieh, D.O.Temecula, CA 925901255515979
- Tae-Woong Im, MDTemecula, CA 925901912956855
- Samuel Ko, MDTemecula, CA 925901457301855
Common questions
What is Carlos Xavier Ayon Martinez, M.D.'s NPI number?
Carlos Xavier Ayon Martinez, M.D.'s National Provider Identifier (NPI) is 1154583128, issued on Jun 30, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Carlos Xavier Ayon Martinez, M.D. located?
The NPPES record lists a practice address at 41715 Winchester RD, Temecula, CA, 92590. Phone: (760) 737-6960. Providers update this record themselves, so call before visiting.
How can I verify Carlos Xavier Ayon Martinez, M.D.'s license?
NPPES lists California license number A114419, 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 Carlos Xavier Ayon Martinez, M.D. prescribe under Medicare Part D?
In 2024, Carlos Xavier Ayon Martinez, M.D. had 5,265 Medicare Part D claims for 409 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.