Stefan K. Flores, M.D
Emergency Medicine Physician · Tempe, AZ
Stefan K. Flores, M.D is an emergency medicine physician with a practice address in Tempe, Arizona, and NPI 1154768406, issued on May 28, 2013. Check the license (Arizona 66109, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Stefan K. Flores
- Credential
- M.D
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 66109 AZ
300569 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5125 S Rural RD, Tempe, AZ 85282
- Phone
- (480) 306-8780
- Enumerated
- May 28, 2013
- Record last updated
- May 14, 2026
- Medicare enrollment
- Enrolled (PECOS I20220516002560); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,494 in Arizona → Look up another NPI →
Verify Stefan K. Flores in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 66109Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average emergency medicine physician in 2024
192 Medicare Part D claims for 131 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone21 claims
- Cephalexin20 claims
- Albuterol Sulfate Hfa12 claims
- Amoxicillin-Clavulanate Potass12 claims
- Ibuprofen11 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 MIPS final score for 2023 (Medicare payment program): 67.1 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).
Bills Medicare through 4 group practices
- Emcare - Pnx Emergency Physicians LLCPhoenix, AZ
- HonorhealthSurprise, AZ
- Northwest Hbp Medical Services LLCTucson, AZ
- Tec Emergency Physicians OF Arizona, LLCMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stefan K. Flores among 1,494 emergency medicine physician records in Arizona
Stefan K. Flores, M.D is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 57% of them.
- NPI issued2013 · 57% of these records are older, 39% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 55% of these records are
- Graduated2013 · median 2014 among the 828 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Arizona
There are 1,494 emergency medicine physician records in Arizona.
All 1,494 in Arizona → Every provider in Tempe → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Harold Cohen, M.D.Tempe, AZ 852811710948534
- Robert Hepburn, DOTempe, AZ 852811790859221
- Chris Hinson Md, MDTempe, AZ 852811588751085
- John Mason, MDTempe, AZ 852811023090099
- Mark Mathurin, MDTempe, AZ 852811497853733
- James McEown, MDTempe, AZ 852831568445500
- Thuan Nguyen, MDTempe, AZ 852811184722480
- Kevin O'Mara, MDTempe, AZ 852811578675245
Common questions
What is Stefan K. Flores, M.D's NPI number?
Stefan K. Flores, M.D's National Provider Identifier (NPI) is 1154768406, issued on May 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Stefan K. Flores, M.D located?
The NPPES record lists a practice address at 5125 S Rural RD, Tempe, AZ, 85282. Phone: (480) 306-8780. Providers update this record themselves, so call before visiting.
How can I verify Stefan K. Flores, M.D's license?
NPPES lists Arizona license number 66109, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Stefan K. Flores, M.D prescribe under Medicare Part D?
In 2024, Stefan K. Flores, M.D had 192 Medicare Part D claims for 131 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Stefan K. Flores, M.D's MIPS final score?
The 2023 MIPS final score is 67.1 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), 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.