Quick answers
- Which hospitals does Michael B. Maris work at?
- Medicare's official clinician data lists Michael B. Maris at 2 hospitals: Banner Wyoming Medical Center and HCA HealthOne Presbyterian St. Lukes. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael B. Maris see patients?
- Medicare's clinician data lists 2 practice locations, including Denver, CO and Casper, WY. Call before your visit to confirm the address.
- What is Michael B. Maris's specialty?
- Medicare lists Hematopoietic Cell Transplantation and Cellular Therapy as the primary specialty, and also Hematology/Oncology.
- Does Michael B. Maris accept Medicare assignment?
- Yes. Medicare's clinician data says Michael B. Maris accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Michael B. Maris offer telehealth?
- Medicare's clinician data says Michael B. Maris offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael B. Maris?
- (720) 754-4800, as listed in official Medicare / NPI Registry data.
- What is Michael B. Maris's NPI number?
- 1053395624. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael B. Maris works
Medicare's Facility Affiliation Data lists Michael B. Maris at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Banner Wyoming Medical CenterCasper, WY · Acute Care Hospital · CCN 530012
- HCA HealthOne Presbyterian St. LukesDenver, CO · Acute Care Hospital · CCN 060014
Practice locations
Addresses where Michael B. Maris is enrolled with Medicare (CMS data updated 2026-10-02).
- 1721 E 19th Ave, Suite 300Denver, CO 80218 (720) 754‑4800
- 6501 E 2nd StCasper, WY 82609 (720) 754‑4800
Group practices
Medicare enrollment lists Michael B. Maris as a member of this group (CMS data updated 2026-10-02).
- HealthONE Clinic Services - Oncology Hematology LLC47 clinicians in the group
Specialties
Find other Hematopoietic Cell Transplantation and Cellular Therapy doctors in Colorado →
Other cell transplant specialists in Colorado
Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1053395624 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians