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

Dr. Marissa Jane Versalle, DO

Individual provider Hospitalist Physician · NPI 1669891107

Dr. Marissa Jane Versalle, DO is a Hospitalist in Lake Forest, Illinois. Graduated from Lake Erie College of Osteopathic Medicine, Erie in 2014, 12 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Illinois and Ohio.

Years since qualifying
12
Trained at
Lake Erie College of Osteopathic Medicine, Erie
Licensed in
IL, OH
In the registry since
2014
Specialties on file
4
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 →

Practice location Address checks out

990 S Waukegan Rd Fl 2
Lake Forest, IL 60045-2654
Phone: (847) 861-0025
Fax: (847) 861-0026
Show map & directions

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

Additional practice locations (1)

  • 1000 N Westmoreland Rd, Lake Forest, IL 60045 — (847) 234-5600

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036146901 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 036.146901 (IL)
Hospitalist Physician Taxonomy 208M00000X · Licence 34.012714 (OH)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1669891107
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 14, 2014
Last updated in NPPESJanuary 12, 2026
Certification dateJanuary 12, 2026
Mailing address990 S Waukegan Rd Ste 200, Lake Forest, IL 60045-2654

Medicare enrollment

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

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolLAKE ERIE COLLEGE OF OSTEOPATHIC MEDICINE, ERIE
Graduated 2014 (12 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Lake Forest