Ruby Gonzalez, M.D.
Family Medicine Physician · Glendora, CA
Ruby Gonzalez, M.D. is a family medicine physician with a practice address in Glendora, California, and NPI 1306226915, issued on Jun 9, 2015. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ruby Gonzalez
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- Practice location
- 440 W Foothill Blvd, Glendora, CA 91741
- Phone
- (626) 963-9402
- Enumerated
- Jun 9, 2015
- Entity
- Type 1 · individual
Also registered at 440 W Foothill Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michelle Brereton, PASurgical Physician Assistant1477742781
- Andrea Douglas, P.A.C.Medical Physician Assistant1376585497
- Kurt Kurowski, M.D.Family Medicine Physician1417995887
- Maria Maldonado, MDFamily Medicine Physician1225695216
- Holly Prentice, P.A.C.Medical Physician Assistant1588606404
- Dana Robben-Folsom, P.A.C.Medical Physician Assistant1811939937
Verify Ruby Gonzalez in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
46% fewer Medicare Part D claims than the average family medicine physician in 2024
1,912 Medicare Part D claims for 264 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Amlodipine Besylate139 claims
- Lisinopril131 claims
- Atorvastatin Calcium130 claims
- Losartan Potassium98 claims
- Metformin Hcl82 claims
- Levothyroxine Sodium76 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.
The practice group's Medicare quality score for 2023: 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Emanate Health Medical Care FoundationWest Covina, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
22 family medicine physician records list a Glendora practice address
They are 22 of the 921 NPPES records with a Glendora practice address, and 16,272 family medicine physician records in California.
All 22 in Glendora → All 16,272 in California → Every provider in Glendora →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Ruby Gonzalez, M.D.'s NPI number?
Ruby Gonzalez, M.D.'s National Provider Identifier (NPI) is 1306226915, issued on Jun 9, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Ruby Gonzalez, M.D. located?
The NPPES record lists a practice address at 440 W Foothill Blvd, Glendora, CA, 91741. Phone: (626) 963-9402. Providers update this record themselves, so call before visiting.
How can I verify Ruby Gonzalez, M.D.'s license?
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 Ruby Gonzalez, M.D. prescribe under Medicare Part D?
In 2024, Ruby Gonzalez, M.D. had 1,912 Medicare Part D claims for 264 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
What is Ruby Gonzalez, M.D.'s Medicare quality score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.