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

Individual provider Specialist · NPI 1609830090

Dr. John A Grossman, MD is a Specialist in Denver, Colorado. Licensed in Colorado. Registered with an NPI since 2006.

Licensed in
CO
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

4600 Hale Pkwy Ste 100
Denver, CO 80220-4020
Phone: (303) 320-5566
Fax: (303) 320-1453
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 18139 (CO)

Record details

NPI number1609830090
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 13, 2006
Last updated in NPPESJuly 13, 2026
Mailing address335 Clayton St, Denver, CO 80206-4228

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