Patricio Martin Chavez, M.D
Emergency Medicine Physician · Antioch, CA
Patricio Martin Chavez, M.D is an emergency medicine physician with a practice address in Antioch, California, and NPI 1770502148, issued on Jul 18, 2006. Check the license (California G48554, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Patricio Martin Chavez
- Credential
- M.D
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- G48554 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3901 Lone Tree Way, Antioch, CA 94509
- Phone
- (925) 779-7273
- Enumerated
- Jul 18, 2006
- Record last updated
- Feb 4, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 00G485540 CA
- Medicare enrollment
- Enrolled (PECOS I20080508000382); accepts Medicare assignment
- Medical or professional school
- University Of New Mexico School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 3901 Lone Tree Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Adedotun Adewusi, MDHospitalist Physician1679795280
- Danielle Aldrich, NPFamily Nurse Practitioner1467160192
- Katy Alexy, PA-CPhysician Assistant1629544556
- Nazish Ali, M.D.Internal Medicine Physician1932121498
- Maha Amr, M.DNeonatal-Perinatal Medicine Physician1962514141
- Donald Anderson, M.D.Anesthesiology Physician1295755825
Verify Patricio Martin Chavez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G48554Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
41% more Medicare Part D claims than the average emergency medicine physician in 2024
318 Medicare Part D claims for 251 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone62 claims
- Cephalexin34 claims
- Sulfamethoxazole-Trimethoprim31 claims
- Albuterol Sulfate Hfa26 claims
- Ofloxacin24 claims
- Azithromycin17 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
- Sutter Bay Medical FoundationOrinda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patricio Martin Chavez among 7,751 emergency medicine physician records in California
Patricio Martin Chavez, M.D is one of 7,751 emergency 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 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1981 · median 2011 among the 4,560 with a school on file
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 emergency medicine physician records list a practice address in Antioch
They are 25 of the 2,184 NPPES records with a practice address in Antioch, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Antioch → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Ivan Cavaliere, MDAntioch, CA 945091174601231
- Raj Dasari, MDAntioch, CA 945091053499145
- Mary Fitzsimons, M.DAntioch, CA 945091053330431
- Khanh Nguyen, M.D.Antioch, CA 945091033130711
- Duoc Nguyen, MDAntioch, CA 945091609954791
- Russell Rodriguez, M.DAntioch, CA 945091245259647
- Thomas Schutz, MDAntioch, CA 945091942229349
- James Shieh, M.DAntioch, CA 945091639198930
Common questions
What is Patricio Martin Chavez, M.D's NPI number?
Patricio Martin Chavez, M.D's National Provider Identifier (NPI) is 1770502148, issued on Jul 18, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Patricio Martin Chavez, M.D located?
The NPPES record lists a practice address at 3901 Lone Tree Way, Antioch, CA, 94509. Phone: (925) 779-7273. Providers update this record themselves, so call before visiting.
How can I verify Patricio Martin Chavez, M.D's license?
NPPES lists California license number G48554, 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 Patricio Martin Chavez, M.D prescribe under Medicare Part D?
In 2024, Patricio Martin Chavez, M.D had 318 Medicare Part D claims for 251 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.