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

Rebecca Williamson, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1144857590

Rebecca Williamson, DO is an Obstetrics/Gynecology in Naperville, Illinois. Qualified in 2020, 6 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
6
Licensed in
IL
In the registry since
2020
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

100 Spalding Dr Ste 406
Naperville, IL 60540-6554
Phone: (630) 961-9485
Show map & directions

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

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 036171498 (IL)

Record details

NPI number1144857590
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 25, 2020
Last updated in NPPESSeptember 2, 2024
Certification dateSeptember 2, 2024
Mailing address100 Spalding Dr Ste 406, Naperville, IL 60540-6554

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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