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

Dr. Jules A Marks, DO

Individual provider Internal Medicine Physician · NPI 1346228814

Dr. Jules A Marks, DO is an Internal Medicine Physician in Buffalo Grove, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

Licensed in
IL
In the registry since
2006
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

1450 Busch Pkwy
Buffalo Grove, IL 60089-4541
Phone: (847) 537-7744
Fax: (847) 537-9719
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 03684408 (IL)

Record details

NPI number1346228814
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 5, 2006
Last updated in NPPESFebruary 28, 2012
Mailing address25233 Network Place, Chicago, IL 60673-1252

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