Aaron Costerisan, M.D.
Family Medicine Physician · Peoria, IL
Aaron Costerisan, M.D. is a family medicine physician with a practice address in Peoria, Illinois, and NPI 1396975736, issued on Jul 20, 2009. Check the license (Illinois 036.130338, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Aaron Costerisan
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 036.130338 IL
Self-reported in NPPES; status is on the state search - Practice location
- 815 Main St Ste A, Peoria, IL 61602
- Phone
- (309) 672-4977
- Enumerated
- Jul 20, 2009
- Record last updated
- Nov 1, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130117000034); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,215 in Illinois → Look up another NPI →
Also registered at 815 Main St Ste A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Taariq GoderFamily Medicine Physician1437565561
- Asim Jaffer, MDFamily Medicine Physician1316193543
- Rahmat Na'Allah, M.D.Family Medicine Physician1730200791
- Haley OlsenFamily Medicine Physician1861180382
Verify Aaron Costerisan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.130338Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average family medicine physician in 2024
840 Medicare Part D claims for 94 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 42 claims were for opioids.
Most prescribed
- Atorvastatin Calcium71 claims
- Levothyroxine Sodium33 claims
- Metformin Hcl30 claims
- Amlodipine Besylate29 claims
- Losartan Potassium26 claims
- Hydrochlorothiazide23 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.
Bills Medicare through 2 group practices
- Carle Health Care IncorporatedPeoria, IL
- Methodist Medical Center OF IllinoisPeoria, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Aaron Costerisan among 6,215 family medicine physician records in Illinois
Aaron Costerisan, M.D. is one of 6,215 family medicine physician records with a practice address in Illinois. 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 2009, is newer than 54% of them.
- NPI issued2009 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2009 · median 2006 among the 3,714 with a school on file
- Record last updated2017 · 54% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
134 family medicine physician records list a practice address in Peoria
They are 134 of the 4,621 NPPES records with a practice address in Peoria, and 6,215 family medicine physician records in Illinois.
All 6,215 in Illinois → Every provider in Peoria → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Stephen Cary, M.D.Peoria, IL 616021114056140
- Darren Conklin, DOPeoria, IL 616021255451803
- John Coon, MDPeoria, IL 616021437163540
- Joan Golemon, MDPeoria, IL 616021710991633
- Thomas Golemon, MDPeoria, IL 616021619981370
- Craig Griebel, MDPeoria, IL 616021740294347
- Jay Harms, MDPeoria, IL 616021518075282
- Erin Martin, MDPeoria, IL 616021457573818
Common questions
What is Aaron Costerisan, M.D.'s NPI number?
Aaron Costerisan, M.D.'s National Provider Identifier (NPI) is 1396975736, issued on Jul 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Aaron Costerisan, M.D. located?
The NPPES record lists a practice address at 815 Main St Ste A, Peoria, IL, 61602. Phone: (309) 672-4977. Providers update this record themselves, so call before visiting.
How can I verify Aaron Costerisan, M.D.'s license?
NPPES lists Illinois license number 036.130338, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Aaron Costerisan, M.D. prescribe under Medicare Part D?
In 2024, Aaron Costerisan, M.D. had 840 Medicare Part D claims for 94 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.