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

Lillian Jane Montgomery, DO

Individual provider Obstetrics & Gynecology Physician · NPI 1255893871

Lillian Jane Montgomery, DO is a Hospitalist in Arlington Heights, Illinois. Qualified in 2019, 7 years ago. Practices with Women First Specialists SC, a 3-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
7
Licensed in
IL
In the registry since
2019
Specialties on file
2
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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

800 W Central Rd
Arlington Heights, IL 60005-2349
Phone: (847) 618-8400
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036165421 (IL)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence 036165421 (IL)

Record details

NPI number1255893871
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 2, 2019
Last updated in NPPESMay 11, 2026
Certification dateMay 11, 2026
Mailing address2650 Ridge Ave Ste 1223, Evanston, IL 60201-1700

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesOBSTETRICS/GYNECOLOGY
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Women First Specialists Sc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Arlington Heights