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

Dr. Thomas Roy Westerhoff, MD

Individual provider Internal Medicine Physician · NPI 1598706871

Dr. Thomas Roy Westerhoff, MD is an Internal Medicine Physician in Quincy, 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.

See every abbreviation used in this directory →

Practice location Address checks out

1121 Broadway St
Quincy, IL 62301-2809
Phone: (217) 222-5055
Fax: (217) 222-6536
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X (IL)

Record details

NPI number1598706871
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 9, 2006
Last updated in NPPESJuly 13, 2026
Mailing address1121 Broadway St, Quincy, IL 62301-2809

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