Zaida Olivia Obeso, M.D.
Family Medicine Physician · West Covina, CA
Zaida Olivia Obeso, M.D. is a family medicine physician with a practice address in West Covina, California, and NPI 1881790616, issued on Sep 16, 2006. Check the license (California A054745, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zaida Olivia Obeso
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A054745 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1135 S Sunset Ave, West Covina, CA 91790
- Phone
- (626) 337-1800
- Enumerated
- Sep 16, 2006
- Record last updated
- Apr 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (626) 337-1449
- Medicaid ID
- 0000A054746 CA
- Medicare enrollment
- Enrolled (PECOS I20120312000783); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1135 S Sunset Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Gabriel Bailey, DOStudent in an Organized Health Care Education/Training Program1003660788
- David Bode, M.D.Body Imaging Physician1306895990
- Amitabh Chauhan, M.D.Internal Medicine Physician1619925948
- Mark Curran, M.D.Maternal & Fetal Medicine Physician1306935689
Verify Zaida Olivia Obeso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A054745Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average family medicine physician in 2024
4,752 Medicare Part D claims for 327 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium429 claims
- Amlodipine Besylate316 claims
- Metformin Hcl260 claims
- Lisinopril244 claims
- Losartan Potassium243 claims
- Levothyroxine Sodium225 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 2 group practices
- Emanate Health Medical Care FoundationWest Covina, CA
- Herrera And Obeso Medical Group IncWest Covina, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zaida Olivia Obeso among 17,133 family medicine physician records in California
Zaida Olivia Obeso, 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
- Graduated1994 · 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).
69 family medicine physician records list a practice address in West Covina
They are 69 of the 2,450 NPPES records with a practice address in West Covina, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in West Covina → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Fe Advincula, M.D.West Covina, CA 917901235162272
- Melody Angeles-Riparip, M.D.West Covina, CA 917901093752248
- Van Duong, M.D.West Covina, CA 917901497705289
- Teresita Belen Gan, MDWest Covina, CA 917901114028727
- John Koumas, D.O.West Covina, CA 917901134111958
- Jose Pilpa, MDWest Covina, CA 917901760439012
- Adriana Pollak Lazzaro, DOWest Covina, CA 917901306923974
- Elise Pomerance, M.D.West Covina, CA 917901568569606
Common questions
What is Zaida Olivia Obeso, M.D.'s NPI number?
Zaida Olivia Obeso, M.D.'s National Provider Identifier (NPI) is 1881790616, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Zaida Olivia Obeso, M.D. located?
The NPPES record lists a practice address at 1135 S Sunset Ave, West Covina, CA, 91790. Phone: (626) 337-1800. Providers update this record themselves, so call before visiting.
How can I verify Zaida Olivia Obeso, M.D.'s license?
NPPES lists California license number A054745, 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 Zaida Olivia Obeso, M.D. prescribe under Medicare Part D?
In 2024, Zaida Olivia Obeso, M.D. had 4,752 Medicare Part D claims for 327 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.