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

Dr. John Hamilton Holbrook, MD

Individual provider Internal Medicine Physician · NPI 1881922045

Dr. John Hamilton Holbrook, MD is an Internal Medicine Physician in Salt Lake City, Utah. Practices as a sole proprietor. Licensed in Utah.

Licensed in
UT
In the registry since
2009
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

2797 Commonwealth Ave
Salt Lake City, UT 84109-1460
Phone: (801) 484-7136
Fax: (801) 484-9890
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 149840-1205 (UT)

Record details

NPI number1881922045
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 30, 2009
Last updated in NPPESNovember 30, 2009

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