James Michael Grannell, D.O.
Orthopedic Surgery · Mauston, WI
At a glance
1040 Division St, Mauston, WI 53948-1931
Published activity: Hip replacement · Knee replacement · Lower limb (leg) arthroscopy (minimally invasive joint repair). View counts and coverage
NPPES record updated Jun 5, 2020. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
1040 Division StMauston, WI 53948-1931
Education & affiliations
- Medical / professional school
- Michigan State University College Of Osteopathic Medicine
- Graduation year
- 1978
- CMS specialties
- Orthopedic Surgery
Practice groups
Reported hospital affiliations
- Mile Bluff Medical Center Mauston, WI
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Hip replacement | 1-10 |
| Knee replacement | 1-10 |
| Lower limb (leg) arthroscopy (minimally invasive joint repair) | 1-10 |
| Removal of tissue | 1-10 |
| Upper limb (arm) arthroscopy (minimally invasive joint repair) | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Service-mix comparison is unavailable for this NPI in the imported Medicare service file.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $465.02 |
| Travel and lodging | $188.10 |
Reporting companies
| Company | Amount |
|---|---|
| MEDACTA USA, INC. | $569.20 |
| HERON THERAPEUTICS, INC. | $83.92 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Orthopedic Surgery
- Taxonomy code
- 207X00000X
- Enumeration date
- May 4, 2006
- Record updated
- Jun 5, 2020
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- D.O.
Reported taxonomies and licenses
207X00000X
License reported: 5101007545 MI
207X00000X · Primary
License reported: 71317-21 WI
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1040 Division StMauston, WI 53948-1931
- Phone
- (608) 847-5000
Mailing address
1040 DIVISION STMAUSTON, WI 539481931
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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