Gabriela Ramirez Diaz, M.D.
Family Medicine Physician · Los Angeles, CA
Gabriela Ramirez Diaz, M.D. is a family medicine physician with a practice address in Los Angeles, California, and NPI 1578835864, issued on Feb 1, 2012. Check the license (California A119759, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gabriela Ramirez Diaz
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A119759 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1720 E Cesar E Chavez Ave, Los Angeles, CA 90033
- Phone
- (323) 260-5781
- Enumerated
- Feb 1, 2012
- Record last updated
- Feb 1, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20150320001541); accepts Medicare assignment
- Medical or professional school
- Irvine California College Of Medicine, 2010
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 1720 E Cesar E Chavez Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gabriela Ramirez Diaz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A119759Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% fewer Medicare Part D claims than the average family medicine physician in 2024
3,122 Medicare Part D claims for 161 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims. 26 claims were for opioids.
Most prescribed
- Atorvastatin Calcium258 claims
- Lisinopril243 claims
- Metformin Hcl135 claims
- Ozempic129 claims
- Fluticasone Propionate107 claims
- Hydrochlorothiazide94 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: $76.59
3 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. 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
- Santa Barbara County AuditorSanta Maria, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gabriela Ramirez Diaz among 17,133 family medicine physician records in California
Gabriela Ramirez Diaz, 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 2012, is newer than 66% of them.
- NPI issued2012 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2010 · median 2005 among the 10,652 with a school on file
- Record last updated2012 · 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).
829 family medicine physician records list a practice address in Los Angeles
They are 829 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Los Angeles → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
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- Michael Lee, MD,MPHLos Angeles, CA 900331336252683
- Daniel Maldonado, M.D.Los Angeles, CA 900331851344949
- Maureen Mavrinac, M.D.Los Angeles, CA 900331427000850
Common questions
What is Gabriela Ramirez Diaz, M.D.'s NPI number?
Gabriela Ramirez Diaz, M.D.'s National Provider Identifier (NPI) is 1578835864, issued on Feb 1, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Gabriela Ramirez Diaz, M.D. located?
The NPPES record lists a practice address at 1720 E Cesar E Chavez Ave, Los Angeles, CA, 90033. Phone: (323) 260-5781. Providers update this record themselves, so call before visiting.
How can I verify Gabriela Ramirez Diaz, M.D.'s license?
NPPES lists California license number A119759, 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 Gabriela Ramirez Diaz, M.D. prescribe under Medicare Part D?
In 2024, Gabriela Ramirez Diaz, M.D. had 3,122 Medicare Part D claims for 161 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.