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

Vincent Doan, DO

Individual provider Internal Medicine Physician · NPI 1215671391

Vincent Doan, DO is an Internal Medicine in Grayslake, Illinois. Graduated from Liberty Univ College of Osteopathic Medicine in 2022, 4 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
4
Trained at
Liberty Univ College of Osteopathic Medicine
Licensed in
IL
In the registry since
2022
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.

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Practice location Address checks out

1275 E Belvidere Rd Ste 250
Grayslake, IL 60030-2084
Phone: (847) 535-7157
Fax: (847) 535-7399
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 036177083 (IL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1215671391
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 25, 2022
Last updated in NPPESFebruary 19, 2026
Certification dateFebruary 19, 2026
Mailing address330 Stevens Ct, Grayslake, IL 60030-3533

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolLIBERTY UNIV COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2022 (4 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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