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

Dr. Corey Massey, MD

Individual provider Emergency Medicine Physician · NPI 1447245816

Dr. Corey Massey, MD is an Emergency Medicine in Marshfield, Wisconsin. Graduated from Sanford School of Medicine of University of South Dakota in 2000, 26 years ago. Practices with Mchs Hospitals Inc, a 1,194-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Colorado, Florida and Wisconsin.

Years since qualifying
26
Trained at
Sanford School of Medicine of University of South Dakota
Licensed in
CO, FL, WI
In the registry since
2005
Specialties on file
4
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

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone: (715) 387-5511
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2845 Greenbrier Rd, Green Bay, WI 54311-6519 — (920) 288-4060

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 57059 (WI)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 17740 (WI)
Emergency Medicine Physician Taxonomy 207P00000X · Licence ME89433 (FL)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 45007 (CO)

Record details

NPI number1447245816
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 13, 2005
Last updated in NPPESJanuary 9, 2023
Certification dateJanuary 5, 2023

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolSANFORD SCHOOL OF MEDICINE OF UNIVERSITY OF SOUTH DAKOTA
Graduated 2000 (26 years in practice)
Group practice McHs Hospitals Inc — 1194 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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