Mario Flores, D.O.
Pain Medicine (Anesthesiology) Physician · Temescal Valley, CA
Mario Flores, D.O. is a pain medicine (anesthesiology) physician with a practice address in Temescal Valley, California, and NPI 1184088841, issued on Apr 8, 2016. Check the license (California 20A18516, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mario Flores
- Credential
- D.O.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- 20A18516 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21634 Retreat Pkwy, Temescal Valley, CA 92883
- Phone
- (951) 683-6370
- Enumerated
- Apr 8, 2016
- Record last updated
- Apr 11, 2025
- Medicare enrollment
- Enrolled (PECOS I20210916001861); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 536 in California → Look up another NPI →
Also registered at 21634 Retreat Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Katrina Stinson, M.D.Obstetrics & Gynecology Physician1881957686
Verify Mario Flores in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A18516Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
2,263 Medicare Part D claims for 283 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 1,209 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen611 claims
- Gabapentin324 claims
- Tramadol Hcl175 claims
- Oxycodone-Acetaminophen147 claims
- Pregabalin130 claims
- Buprenorphine105 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: $404.02
12 payments; by number, the most common kind was food and beverage; the largest payer was Vertos Medical, Inc. The 2,789 providers of this specialty with any payment received $3,225.41 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
- Riverside Medical Clinic IncRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mario Flores among 536 pain medicine (anesthesiology) physician records in California
Mario Flores, D.O. is one of 536 pain medicine (anesthesiology) physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 89% of them.
- NPI issued2016 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2016 · median 2004 among the 367 with a school on file
- Record last updated2025 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in California
There are 536 pain medicine (anesthesiology) physician records in California.
All 536 in California → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- Nikan Khatibi, DOCorona, CA 928821326363300
- Phani Paruchuri, M.DPlacentia, CA 928701730272063
- Gary Bennett, M.D.Orange, CA 928691275629107
- Navid Alem, M.D.Orange, CA 928681972893790
- Rakhi Dayal, M.D.Orange, CA 928681114233053
- Eric Heyer, MDOrange, CA 928681619903887
- Alexa Lean, MDOrange, CA 928681538665864
- Sabrina Oukil, M.D.Orange, CA 928681932558020
Common questions
What is Mario Flores, D.O.'s NPI number?
Mario Flores, D.O.'s National Provider Identifier (NPI) is 1184088841, issued on Apr 8, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Mario Flores, D.O. located?
The NPPES record lists a practice address at 21634 Retreat Pkwy, Temescal Valley, CA, 92883. Phone: (951) 683-6370. Providers update this record themselves, so call before visiting.
How can I verify Mario Flores, D.O.'s license?
NPPES lists California license number 20A18516, 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 Mario Flores, D.O. prescribe under Medicare Part D?
In 2024, Mario Flores, D.O. had 2,263 Medicare Part D claims for 283 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.