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

Dr. Reginald Guy, MD

Individual provider Internal Medicine Physician · NPI 1528063849

Dr. Reginald Guy, MD is an Internal Medicine Physician in Longmont, Colorado. Licensed in Colorado. Registered with an NPI since 2005.

Licensed in
CO
In the registry since
2005
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

1925 W Mountain View Ave
Longmont, CO 80501-3128
Phone: (303) 776-1234
Fax: (720) 494-3107
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 20169 (CO)

Record details

NPI number1528063849
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2005
Last updated in NPPESJuly 13, 2026
Mailing address1925 W Mountain View Ave, Longmont, CO 80501-3128

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