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

Robert A Larson, DO

Individual provider Internal Medicine Physician · NPI 1902546963

Robert A Larson, DO is an Internal Medicine in Rockford, Illinois. Graduated from Midwestern University, Chicago College of Osteopathic Med in 2022, 4 years ago. Licensed in Illinois.

Years since qualifying
4
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
IL
In the registry since
2022
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

5666 E State St
Rockford, IL 61108-2425
Phone: (815) 519-6087
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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 036.179662 (IL)

Record details

NPI number1902546963
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 29, 2022
Last updated in NPPESJune 5, 2026
Certification dateJune 5, 2026
Mailing address7431 Thomas Dr, Loves Park, IL 61111-5387

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Not indicated
Practice locations4 on file with Medicare

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