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

Marcus Greatens, MD

Individual provider Adult Reconstructive Orthopaedic Surgery Physician · NPI 1538570411

Marcus Greatens, MD is an Orthopedic Surgery in Eau Claire, Wisconsin. Qualified in 2014, 12 years ago. Practices with Mayo Clinic Health System-Northwest Wisconsin Region Inc, a 799-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado, Michigan, Minnesota and Wisconsin.

Years since qualifying
12
Licensed in
CO, MI, MN, WI
In the registry since
2014
Specialties on file
4
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

1400 Bellinger St
Eau Claire, WI 54703-5222
Phone: (715) 838-5222
Show map & directions

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

Additional practice locations (1)

  • 12605 E 16th Ave, Aurora, CO 80045-2545 — (720) 848-0000

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 73594 (WI)
Adult Reconstructive Orthopaedic Surgery Physician Taxonomy 207XS0114X · Licence 62396 (CO)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 67604 (MN)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 4301105130 (MI)

Record details

NPI number1538570411
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 14, 2014
Last updated in NPPESMarch 22, 2021
Certification dateMarch 22, 2021

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Mayo Clinic Health System-Northwest Wisconsin Region Inc — 799 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Eau Claire