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

Dr. James Michael Grannell, DO

Individual provider Orthopaedic Surgery Physician · NPI 1083662019

Dr. James Michael Grannell, DO is an Orthopedic Surgery in Mauston, Wisconsin. Graduated from Michigan State University College of Osteopathic Medicine in 1978, 48 years ago. Practices with Mile Bluff Medical Center Inc, a 83-clinician group and accepts Medicare assignment. Licensed in Michigan and Wisconsin.

Years since qualifying
48
Trained at
Michigan State University College of Osteopathic Medicine
Licensed in
MI, WI
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

1040 Division St
Mauston, WI 53948-1931
Phone: (608) 847-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 71317-21 (WI)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 5101007545 (MI)

Record details

NPI number1083662019
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMay 4, 2006
Last updated in NPPESJune 5, 2020
Certification dateJune 5, 2020
Mailing address1040 Division St, Mauston, WI 53948-1931

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolMICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1978 (48 years in practice)
Group practice Mile Bluff Medical Center Inc — 83 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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