Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Dennis D Costerisan, DO

Individual provider Family Medicine Physician · NPI 1578565701

Dr. Dennis D Costerisan, DO is a Family Practice in Decatur, Illinois. Graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1984, 42 years ago. Practices with Community Health Improvement Center, a 13-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
42
Trained at
Des Moines University of Osteopathic Medicine and Health Sciences
Licensed in
IL
In the registry since
2005
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

320 E Central Ave
Decatur, IL 62521-4665
Phone: (217) 877-9117
Fax: (217) 877-3078
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 036071025 (IL)

Record details

NPI number1578565701
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJune 1, 2005
Last updated in NPPESJanuary 25, 2022
Certification dateJanuary 25, 2022
Mailing address320 E Central Ave, Decatur, IL 62521-4665

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolDES MOINES UNIVERSITY OF OSTEOPATHIC MEDICINE AND HEALTH SCIENCES
Graduated 1984 (42 years in practice)
Group practice Community Health Improvement Center — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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