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

Dr. Michael J Johnson, MD

Individual provider Hematology & Oncology Physician · NPI 1841274495

Dr. Michael J Johnson, MD is a Hematology & Oncology 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.

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Practice location Address checks out

2030 Mountain View Ave Ste 210
Longmont, CO 80501-3178
Phone: (303) 684-1900
Fax: (303) 684-1925
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 29384 (CO)

Record details

NPI number1841274495
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 6, 2005
Last updated in NPPESJuly 15, 2011
Mailing address7951 E Maplewood Ave, Ste 300, Greenwood Village, CO 80111-4723

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