Alonzo Juan Flores, MD
Family Medicine Physician · Orange, CA
Alonzo Juan Flores, MD is a family medicine physician with a practice address in Orange, California, and NPI 1518013978, issued on Jan 26, 2007. Check the license (California C40484, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alonzo Juan Flores
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- C40484 CA
Self-reported in NPPES; status is on the state search - Practice location
- 229 S Glassell St, Orange, CA 92866
- Phone
- (714) 639-0303
- Enumerated
- Jan 26, 2007
- Record last updated
- Dec 11, 2023
- Fax
- (714) 639-3708
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 229 S Glassell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alcides De Oliveira, NURSE PRACTITIONERFamily Nurse Practitioner1760626675
Verify Alonzo Juan Flores in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C40484Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
45% more Medicare Part D claims than the average family medicine physician in 2024
5,149 Medicare Part D claims for 573 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 14 claims were for opioids.
Most prescribed
- Atorvastatin Calcium567 claims
- Metformin Hcl308 claims
- Lisinopril286 claims
- Amlodipine Besylate283 claims
- Levothyroxine Sodium236 claims
- Hydrochlorothiazide194 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: $14.41
1 payment: food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, 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.
Alonzo Juan Flores among 17,133 family medicine physician records in California
Alonzo Juan Flores, MD 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2023 · 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).
106 family medicine physician records list a practice address in Orange
They are 106 of the 13,245 NPPES records with a practice address in Orange, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Orange → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Annette Bernhut, D.O.Orange, CA 928661841367471
- Lawrence Ehrlich, DOOrange, CA 928661407854631
- Ana Fajardo, M.D.Orange, CA 928661154498798
- Kenneth Grubbs, D.O.Orange, CA 928661588773295
- Bryn Henderson, D.O.Orange, CA 928661447296694
- Emily Jackson, MD MPHOrange, CA 928661265572143
- Barry Marfleet, M.D.Orange, CA 928661659397792
- Neal Patel, D.O.Orange, CA 928661730543919
Common questions
What is Alonzo Juan Flores, MD's NPI number?
Alonzo Juan Flores, MD's National Provider Identifier (NPI) is 1518013978, issued on Jan 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alonzo Juan Flores, MD located?
The NPPES record lists a practice address at 229 S Glassell St, Orange, CA, 92866. Phone: (714) 639-0303. Providers update this record themselves, so call before visiting.
How can I verify Alonzo Juan Flores, MD's license?
NPPES lists California license number C40484, 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 Alonzo Juan Flores, MD prescribe under Medicare Part D?
In 2024, Alonzo Juan Flores, MD had 5,149 Medicare Part D claims for 573 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.