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

Dr. Sean Masi, DO

Individual provider Internal Medicine Physician · NPI 1316575269

Dr. Sean Masi, DO is an Internal Medicine in Peoria, Illinois. Graduated from Lincoln Memorial University Medical Department in 2020, 6 years ago. Practices with Osf Multi-Specialty Group, a 2,128-clinician group and accepts Medicare assignment. Licensed in Illinois and Ohio.

Years since qualifying
6
Trained at
Lincoln Memorial University Medical Department
Licensed in
IL, OH
In the registry since
2020
Specialties on file
3
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.

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Practice location Address checks out

530 NE Glen Oak Ave
Peoria, IL 61637-0001
Phone: (309) 655-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 036.165572 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 34.016075 (OH)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 036.165572 (IL)

Record details

NPI number1316575269
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 27, 2020
Last updated in NPPESJuly 30, 2023
Certification dateJuly 30, 2023
Mailing address530 Ne Glen Oak Ave, Peoria, IL 61637-0001

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLINCOLN MEMORIAL UNIVERSITY MEDICAL DEPARTMENT
Graduated 2020 (6 years in practice)
Group practice Osf Multi-Specialty Group — 2128 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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