NPPES file of Aug 9, 2026

Dennis D. Costerisan, D.O.

Family Medicine Physician · Decatur, IL

Dennis D. Costerisan, D.O. is a family medicine physician with a practice address in Decatur, Illinois, and NPI 1578565701, issued on Jun 1, 2005. Check the license (Illinois 036071025, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578565701
Name
Dennis D. Costerisan
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
036071025 IL
Self-reported in NPPES; status is on the state search
Practice location
320 E Central Ave, Decatur, IL 62521
Phone
(217) 877-9117
Enumerated
Jun 1, 2005
Record last updated
Jan 25, 2022
Fax
(217) 877-3078
Medicaid ID
0360710252 IL
Medicare enrollment
Enrolled (PECOS I20100619000116); accepts Medicare assignment
Medical or professional school
Des Moines University Of Osteopathic Medicine And Health Sciences, 1984
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 320 E Central Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Brooke Ballard, M.D.Family Medicine Physician1053310557
  2. Amy Carie, MS, RD, LDNRegistered Dietitian1306450838
  3. Dale ColeePharmacist1437500485
  4. Nakita Cook, FNPPsychiatric/Mental Health Nurse Practitioner1710496021
  5. Stephanie Gagnon, LCPCProfessional Counselor1821778168
  6. Robert Goodwin, LPCProfessional Counselor1013738962

Verify Dennis D. Costerisan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036071025
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Illinois license search

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92% fewer Medicare Part D claims than the average family medicine physician in 2024

289 Medicare Part D claims for 103 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. Dennis Costerisan289
  2. Specialty average3,544

Most prescribed

  1. Albuterol Sulfate Hfa27 claims
  2. Metformin Hcl16 claims
  3. Amlodipine Besylate15 claims
  4. Hydrochlorothiazide12 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 one group practice

  1. Community Health Improvement CenterDecatur, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

85 family medicine physician records list a practice address in Decatur

They are 85 of the 1,513 NPPES records with a practice address in Decatur, and 6,215 family medicine physician records in Illinois.

Other family medicine physician records in Illinois

  1. Jon Aagaard, MDWheaton, IL1750496923
  2. Napoleon Abando, MDWoodstock, IL1003972753
  3. Nikka Abaricia, MDChicago, IL1790366342
  4. Mohemmed AbbasChicago, IL1609612522
  5. Muhammad AbbasAlton, IL1588341556
  6. Syed AbbasWest Dundee, IL1972733103
  7. Stefanie AbbottMaywood, IL1861137457
  8. Roann Abdeladl, MDEvanston, IL1437087103
  9. Ahmed Abdelkader, MDChicago, IL1659104230
  10. Guy Abderholden, MDAntioch, IL1902899792

Common questions

What is Dennis D. Costerisan, D.O.'s NPI number?

Dennis D. Costerisan, D.O.'s National Provider Identifier (NPI) is 1578565701, issued on Jun 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Dennis D. Costerisan, D.O. located?

The NPPES record lists a practice address at 320 E Central Ave, Decatur, IL, 62521. Phone: (217) 877-9117. Providers update this record themselves, so call before visiting.

How can I verify Dennis D. Costerisan, D.O.'s license?

NPPES lists Illinois license number 036071025, 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 Dennis D. Costerisan, D.O. prescribe under Medicare Part D?

In 2024, Dennis D. Costerisan, D.O. had 289 Medicare Part D claims for 103 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.