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

Dr. Kelly N Casteel, MD

Individual provider Hematology & Oncology Physician · NPI 1740536291

Dr. Kelly N Casteel, MD is a Medical Oncology in Longmont, Colorado. Qualified in 2011, 15 years ago. Practices with Rocky Mountain Cancer Centers LLP, a 132-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
15
Licensed in
CO
In the registry since
2012
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

1760 E Ken Pratt Blvd Ste 302
Longmont, CO 80504-5311
Phone: (303) 684-1900
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence DR.0070194 (CO)

Record details

NPI number1740536291
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 1, 2012
Last updated in NPPESJuly 23, 2026
Certification dateJuly 23, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Rocky Mountain Cancer Centers Llp — 132 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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