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

Ann T Warren, MD

Individual provider Specialist · NPI 1902993603

Ann T Warren, MD is a Specialist in Barrington, Illinois. Licensed in Illinois. Registered with an NPI since 2006.

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

27790 W Il Route 22 Ste 32
Barrington, IL 60010-2396
Phone: (847) 381-8181
Fax: (847) 381-0604
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 036075414 (IL)

Record details

NPI number1902993603
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 6, 2006
Last updated in NPPESOctober 20, 2011
Mailing address25941 N Farm View Cir, Lake Barrington, IL 60010-7022

Other providers in Barrington