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

Individual provider Internal Medicine Physician · NPI 1326337692

Dr. Sean David Hayes, MD is an Internal Medicine in Springfield, Illinois. Graduated from Southern Illinois University School of Medicine in 2011, 15 years ago. Practices with Springfield Clinic, LLP, a 679-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
15
Trained at
Southern Illinois University School of Medicine
Licensed in
IL
In the registry since
2011
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

701 N 1st St
Springfield, IL 62781-2403
Phone: (217) 528-7541
Fax: (217) 606-3057
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036141303 (IL)

Record details

NPI number1326337692
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 7, 2011
Last updated in NPPESJuly 14, 2025
Certification dateJuly 14, 2025
Mailing addressPo Box 19248, Springfield, IL 62794-9248

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSOUTHERN ILLINOIS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Springfield Clinic, Llp — 679 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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