Dr. James Michael Grannell, DO
- Medicare services, 2019
- 173
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 299
- Hospital affiliations
- 1
- Industry payments
- $17,623
- Practice address
- 1050 Division St, Mauston, WI 53948
- Practice phone
- Call (608) 847-6161
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Grannell's professional email, personal email and mobile number
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Dr. James Michael Grannell is an orthopedic surgeon in Mauston, Wisconsin
Dr. Grannell practices at Mile Bluff Medical Center in Mauston, Wisconsin, part of Mile Bluff Medical Center.
Dr. Grannell's NPI, 1083662019, was assigned on May 4, 2006. Dr. Grannell graduated from Michigan State University College of Osteopathic Medicine in 1978. Dr. Grannell holds Wisconsin license 71317-21.
- NPI
- 1083662019NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759330426
- NPI enumeration date
- May 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 847-6161
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. James Michael Grannell practices at Mile Bluff Medical Center in Mauston, Wisconsin
Dr. Grannell's primary practice is Mile Bluff Medical Center, at 1050 Division St, Mauston, WI 53948 in Juneau County. The practice phone is (608) 847-6161.
- Mile Bluff Medical Center1050 Division St, Mauston, WI 53948 · Juneau CountyPhone(608) 847-6161
Source: Dmand AI Affiliation Data
Dr. James Michael Grannell is affiliated with 2 sites of care and 1 medical group
Dr. Grannell's primary practice is Mile Bluff Medical Center in Mauston, Wisconsin, part of Mile Bluff Medical Center. The medical group on file is Mile Bluff Medical Center. Dmand AI also links Dr. Grannell to 1 more rural health clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. James Michael Grannell's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grannell practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mile Bluff Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Mile Bluff Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. James Michael Grannell is one of 526 orthopedic surgeons in Wisconsin
Orthopaedic surgery is Dr. Grannell's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dmand AI has Dr. Grannell's licenses on file in 2 states: Wisconsin and Michigan.
Specialties and state licenses
- Orthopaedic surgery, WisconsinPrimary
- Michigan license
Orthopedic surgeons near Dr. Grannell
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. James Michael Grannell billed Medicare for 173 services in 2019
CMS data shows 173 Medicare services from Dr. Grannell across 4 procedure codes in 2019, for 40 Medicare patients. Medicare paid $11,970 for them. Every service was in an office.
Dr. Grannell's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 3362019: 16152%
- Surgery
- 2018: 202019: 1240%
- Drugs given in the office
- 2018: 342019: 0100%
Dr. Grannell compared with the Wisconsin median for orthopedic surgeons, 2019
- Dr. Grannell
- Wisconsin median
- Medicare services
- 173vs 43961% below
- Medicare patients
- 40vs 17277% below
- Part D claims
- 256vs 703.7 times
Medians across 543 orthopedic surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Grannell's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Grannell?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grannell and other orthopedic surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James Michael Grannell treated 40 Medicare patients in 2024, average age 74
CMS counts 40 Medicare patients who saw Dr. Grannell in 2024. The largest group is 65 to 74, with 21 patients. 75% of them have arthritis, and 75% have high blood pressure. Their average risk score is 1.07, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grannell's median patient age at 63, with 52% women.
Dr. Grannell's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grannell's Medicare patients by sex, 2024
- Women2050%
- Men2050%
Chronic conditions among Dr. Grannell's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol73%
- Chronic kidney disease35%
- Diabetes35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grannell's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women52%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James Michael Grannell wrote 299 Medicare Part D claims in 2024
In 2024, Dr. Grannell wrote 299 Medicare Part D claims for 138 patients. 97% of them were for generic drugs. CMS names the drug for 256 of them, across 4 drugs with 11 or more claims each, at $1,017 in total drug cost. In 2023, CMS named 206 claims across 3 drugs.
Dr. Grannell's Part D claims by kind of drug, 2024
- Generic290 claims97%
- Brand-name and other9 claims3%
Dr. Grannell's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Grannell's Part D claims, 2024
- Opioids17%50 of 299 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2062024: 25624%
Drugs named by CMS: 4 in 2024, 3 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. James Michael Grannell takes part in Medicare
Dr. Grannell accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Hip replacement: 1 to 10 procedures (CMS shows small counts as a range)
Knee replacement: 1 to 10 procedures (CMS shows small counts as a range)
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Upper limb (arm) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. James Michael Grannell received $17,623 in industry payments from 2016 to 2025
CMS Open Payments shows 140 general payments to Dr. Grannell from 15 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 55% of the total. Medacta USA, Inc. paid the most, $8,717.
General payments to Dr. Grannell by program year, 2016 to 2025
General payments to Dr. Grannell by kind, 2016 to 2025
- Travel and lodging$9,62355%
- Food and beverage$5,76133%
- Education$2,23913%
Companies that paid Dr. Grannell the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James Michael Grannell graduated from Michigan State University College of Osteopathic Medicine
Dr. Grannell graduated from Michigan State University College of Osteopathic Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James Michael Grannell's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. James Michael Grannell
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. James Michael Grannell's NPI number?
Dr. James Michael Grannell's NPI number is 1083662019. It was assigned on May 4, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. James Michael Grannell?
Dr. James Michael Grannell is an orthopedic surgeon in Mauston, Wisconsin. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. James Michael Grannell practice?
Dr. Grannell practices at 1050 Division St, Mauston, WI 53948. Dr. Grannell's primary practice is Mile Bluff Medical Center in Mauston, Wisconsin, part of Mile Bluff Medical Center. Dmand AI also links Dr. Grannell to 1 rural health clinic.
What is Dr. James Michael Grannell's office phone number?
The practice phone on file for Dr. Grannell is (608) 847-6161.
What is Dr. James Michael Grannell's medical license number?
Dr. Grannell holds Wisconsin license 71317-21, one of the licenses on file in 2 states.
Which states has Dr. James Michael Grannell been licensed in?
Dmand AI has state licenses on file for Dr. Grannell in Wisconsin and Michigan.
Which hospitals is Dr. James Michael Grannell affiliated with?
Dr. Grannell practices at Mile Bluff Medical Center in Mauston, Wisconsin.
What medical group is Dr. James Michael Grannell part of?
Dr. Grannell is linked to Mile Bluff Medical Center.
Does Dr. James Michael Grannell accept Medicare?
Yes. CMS data shows Dr. Grannell billed Medicare for 173 services in 2019, and Dr. Grannell accepts Medicare assignment.
How many Medicare patients does Dr. James Michael Grannell see?
CMS counts 40 Medicare patients who saw Dr. Grannell in 2024, with an average age of 74.
Show 5 more questionsShow fewer questions
What services does Dr. James Michael Grannell bill to Medicare?
In 2019, Dr. Grannell's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99203) and office visit, established patient (99213).
Where did Dr. James Michael Grannell go to medical school?
Dr. Grannell graduated from Michigan State University College of Osteopathic Medicine in 1978.
What drugs does Dr. James Michael Grannell prescribe most?
In 2024 Medicare Part D data, Dr. Grannell's most prescribed drugs by claims were Meloxicam, Hydrocodone-Acetaminophen and Oxycodone-Acetaminophen.
Has Dr. James Michael Grannell received payments from drug or device companies?
CMS Open Payments shows $17,623 in general payments to Dr. Grannell from 15 companies from 2016 to 2025. The largest total came from Medacta USA, Inc.
How long has Dr. James Michael Grannell been practicing?
Dr. Grannell graduated from medical school in 1978, 48 years ago.
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