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

Dr. Michael Brian Maris, MD

Individual provider Hematology & Oncology Physician · NPI 1053395624

Dr. Michael Brian Maris, MD is a Hematopoietic Cell Transplantation and Cellular Therapy in Denver, Colorado. Graduated from Perelman School of Med at the University of Pennsylvania in 1995, 31 years ago. Practices with Healthone Clinic Services - Oncology Hematology LLC, a 47-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Colorado.

Years since qualifying
31
Trained at
Perelman School of Med at the University of Pennsylvania
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

1800 Williams St Ste 300
Denver, CO 80218-1238
Phone: (720) 754-4800
Fax: (720) 754-4801
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 43475 (CO)

Record details

NPI number1053395624
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 6, 2005
Last updated in NPPESOctober 1, 2013

Medicare enrollment

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

Medicare specialtyHEMATOPOIETIC CELL TRANSPLANTATION AND CELLULAR THERAPY
Also practisesHEMATOLOGY/ONCOLOGY
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1995 (31 years in practice)
Group practice Healthone Clinic Services - Oncology Hematology Llc — 47 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Denver