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

Patrick Clarke Keller, MD

Individual provider Hospitalist Physician · NPI 1972181188

Patrick Clarke Keller, MD is a Hospitalist Physician in Lake Forest, Illinois. Works from 2 locations. Licensed in Illinois.

Licensed in
IL
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1000 N Westmoreland Rd
Lake Forest, IL 60045-1658
Phone: (847) 234-5600
Fax: (847) 535-7203
Show map & directions

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

Additional practice locations (1)

  • 915 N Grand Blvd, Saint Louis, MO 63106-1621 — (314) 652-4100

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 036167282 (IL)
Internal Medicine Physician Taxonomy 207R00000X · Licence 125077372 (IL)

Record details

NPI number1972181188
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2021
Last updated in NPPESSeptember 26, 2025
Certification dateSeptember 26, 2025
Mailing address251 E Huron St, Chicago, IL 60611-3055

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