Aaron Embden Flegenheimer, MD
Internal Medicine Physician · Mesa, AZ
Aaron Embden Flegenheimer, MD is an internal medicine physician with a practice address in Mesa, Arizona, and NPI 1114668670, issued on Apr 6, 2022. Check the license (Arizona 76626, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Aaron Embden Flegenheimer
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 76626 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 1400 S Dobson Road, Mesa, AZ 85202
- Phone
- (480) 412-6788
- Enumerated
- Apr 6, 2022
- Record last updated
- Oct 15, 2025
- Fax
- (480) 412-6848
- Medicare enrollment
- Enrolled (PECOS I20250918003924); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 1400 S Dobson Road
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Suha Ayoub, MDInternal Medicine Physician1427387422
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- Tirinder Bharaj, DOInternal Medicine Physician1285376624
Verify Aaron Embden Flegenheimer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 76626Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
15 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Banner Hospital Based Physicians Arizona LLCMesa, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Embden Flegenheimer among 2,853 internal medicine physician records in Arizona
Aaron Embden Flegenheimer, MD is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 87% of them.
- NPI issued2022 · 87% of these records are older, 9% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2022 · median 2003 among the 1,643 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 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
157 internal medicine physician records list a practice address in Mesa
They are 157 of the 9,151 NPPES records with a practice address in Mesa, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Mesa → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Anas Abu Assi, MBBSMesa, AZ 852021881212264
- Suha Ayoub, MDMesa, AZ 852021427387422
- Sai Prashanth Haranath, M.D.Mesa, AZ 852021063446425
- Jamil Jaber, MDMesa, AZ 852021093374894
- Sudhanshu Jain, M.D.Mesa, AZ 852021962668673
- Gregory Lauver, MDMesa, AZ 852021679533889
- Mustafa Malik, M.D.Mesa, AZ 852021912564154
- Kamini Patel, DOMesa, AZ 852021295701639
Common questions
What is Aaron Embden Flegenheimer, MD's NPI number?
Aaron Embden Flegenheimer, MD's National Provider Identifier (NPI) is 1114668670, issued on Apr 6, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Embden Flegenheimer, MD located?
The NPPES record lists a practice address at 1400 S Dobson Road, Mesa, AZ, 85202. Phone: (480) 412-6788. Providers update this record themselves, so call before visiting.
How can I verify Aaron Embden Flegenheimer, MD's license?
NPPES lists Arizona license number 76626, 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 Aaron Embden Flegenheimer, MD prescribe under Medicare Part D?
In 2024, Aaron Embden Flegenheimer, MD had 15 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.