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

Jonathan R. Brown, MD

Individual provider Internal Medicine Physician · NPI 1811056773

Jonathan R. Brown, MD is an Internal Medicine in Deerfield, Illinois. Graduated from Northwestern University Feinberg Medical School in 1994, 32 years ago. Practices with Endeavor Health Medical Group, a 3,348-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
32
Trained at
Northwestern University Feinberg Medical School
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

190 Waukegan Rd Ste B Deerfield South
Deerfield, IL 60015-5655
Phone: (847) 945-4575
Fax: (847) 945-4593
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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 036-093753 (IL)

Record details

NPI number1811056773
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 7, 2006
Last updated in NPPESOctober 6, 2020
Certification dateOctober 6, 2020
Mailing address2650 Ridge Ave, Evanston Hospital, Evanston, IL 60201-1718

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNORTHWESTERN UNIVERSITY FEINBERG MEDICAL SCHOOL
Graduated 1994 (32 years in practice)
Group practice Endeavor Health Medical Group — 3348 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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