Julie Matias, D.O.
Family Medicine Physician · San Marcos, CA
Julie Matias, D.O. is a family medicine physician with a practice address in San Marcos, California, and NPI 1083094510, issued on May 29, 2015. Check the license (California 20A15159, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Julie Matias
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A15159 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 29, 2015
- Record last updated
- Jan 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (760) 736-8740
- Medicare enrollment
- Enrolled (PECOS I20181026000963); accepts Medicare assignment
- Medical or professional school
- Touro Un Col Of Osteopathic Medicine, Henderson, 2015
- 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 Julie Matias in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A15159Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
30% fewer Medicare Part D claims than the average family medicine physician in 2024
2,464 Medicare Part D claims for 201 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. 58 claims were for opioids.
Most prescribed
- Atorvastatin Calcium188 claims
- Metformin Hcl92 claims
- Lisinopril91 claims
- Amlodipine Besylate80 claims
- Losartan Potassium75 claims
- Gabapentin71 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: $498.54
20 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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
- North County Health Project, Inc.San Marcos, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julie Matias among 17,133 family medicine physician records in California
Julie Matias, D.O. 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 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2005 among the 10,652 with a school on file
- Record last updated2020 · 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
- 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
- Claudia Rocha, MDSan Marcos, CA 920691134638729
Common questions
What is Julie Matias, D.O.'s NPI number?
Julie Matias, D.O.'s National Provider Identifier (NPI) is 1083094510, issued on May 29, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Julie Matias, D.O. 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 Julie Matias, D.O.'s license?
NPPES lists California license number 20A15159, 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 Julie Matias, D.O. prescribe under Medicare Part D?
In 2024, Julie Matias, D.O. had 2,464 Medicare Part D claims for 201 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.