Aaron V. Mares, M.D.
Internal Medicine Physician · Pittsburgh, PA
Aaron V. Mares, M.D. is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1073705513, issued on Aug 17, 2007. Check the license (Pennsylvania MD439119, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Aaron V. Mares
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- MD439119 PA
MT191136 PA
Self-reported in NPPES; status is on the state search - Practice location
- 3200 S Water St, Pittsburgh, PA 15203
- Phone
- (412) 432-3607
- Enumerated
- Aug 17, 2007
- Record last updated
- Mar 26, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (412) 432-3690
- Medicare enrollment
- Enrolled (PECOS I20110603000223); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 2007
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 3200 S Water St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Corrine Amick, PTPhysical Therapist1295768133
- Lisa Anderson, A.T.,C.Athletic Trainer1306836036
- Karen Andreycak, LAT, ATCAthletic Trainer1124174446
- Lauren BakerStudent in an Organized Health Care Education/Training Program1114503620
- Amy Jo Beckner, ATCAthletic Trainer1619951431
- Elizabeth Bronson, ATCAthletic Trainer1265852693
Verify Aaron V. Mares in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD439119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
90 Medicare Part D claims for 58 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Methylprednisolone38 claims
- Diclofenac Sodium13 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): 77.5 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 one group practice
- University OF Pittsburgh PhysiciansBethel Park, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron V. Mares among 7,300 internal medicine physician records in Pennsylvania
Aaron V. Mares, M.D. is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% 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 36% of them.
- NPI issued2007 · 36% of these records are older, 57% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2007 · median 2008 among the 4,208 with a school on file
- Record last updated2013 · 56% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
750 internal medicine physician records list a practice address in Pittsburgh
They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Venkatlaxman Reddy, M.D.Pittsburgh, PA 152031811999790
- John Tomaro, DOPittsburgh, PA 152031104880749
- Huma Vahora, MDPittsburgh, PA 152031902031743
- Alfonso Wong, M.D.Pittsburgh, PA 152031467437632
- David BlinnBellevue, PA 152021124091871
Common questions
What is Aaron V. Mares, M.D.'s NPI number?
Aaron V. Mares, M.D.'s National Provider Identifier (NPI) is 1073705513, issued on Aug 17, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Aaron V. Mares, M.D. located?
The NPPES record lists a practice address at 3200 S Water St, Pittsburgh, PA, 15203. Phone: (412) 432-3607. Providers update this record themselves, so call before visiting.
How can I verify Aaron V. Mares, M.D.'s license?
NPPES lists Pennsylvania license number MD439119, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aaron V. Mares, M.D. prescribe under Medicare Part D?
In 2024, Aaron V. Mares, M.D. had 90 Medicare Part D claims for 58 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Aaron V. Mares, M.D.'s MIPS final score?
The 2023 MIPS final score is 77.5 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.