Dr. Jacob William Lonsdale, MD
- Medicare services, 2024
- 28
- Medicare patients, 2024
- 33
- MIPS score, 2024
- 81
- Hospital affiliations
- 1
- Industry payments
- $30
- Practice address
- 1000 N Oak Ave, Marshfield, WI 54449
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marshfield Center Ambulatory Surgical Center - HOPD
Acute Care Hospital outpatient department · Marshfield, Wisconsin
Find Dr. Lonsdale's professional email, personal email and mobile number
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Dr. Jacob William Lonsdale is an orthopedic surgeon in Marshfield, Wisconsin
Dr. Lonsdale practices at Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin.
Dr. Lonsdale's NPI, 1053505958, was assigned on September 4, 2007. Dr. Lonsdale graduated from University of Utah School of Medicine in 2007. Dr. Lonsdale holds Wisconsin license 52577.
- NPI
- 1053505958NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9739204520
- NPI enumeration date
- September 4, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 45
- Medical school graduation
- 2007
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jacob William Lonsdale practices at Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin
Dr. Lonsdale's primary practice is Marshfield Center Ambulatory Surgical Center - HOPD, at 1000 N Oak Ave, Marshfield, WI 54449.
- Marshfield Center Ambulatory Surgical Center - HOPD1000 N Oak Ave, Marshfield, WI 54449
Source: Dmand AI Affiliation Data
Dr. Jacob William Lonsdale is affiliated with 4 sites of care and 2 medical groups
Dr. Lonsdale's primary practice is Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin. Dr. Lonsdale is also affiliated with Marshfield Medical Center - Marshfield. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Lonsdale to 2 more group practices and clinics and 1 medical group, each named with a free account. Dr. Lonsdale's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Jacob William Lonsdale's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Lonsdale practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshfield Center Ambulatory Surgical Center - HOPD | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Jacob William Lonsdale is one of 526 orthopedic surgeons in Wisconsin
Orthopaedic surgery is Dr. Lonsdale's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Lonsdale is licensed in Wisconsin.
Specialties and state licenses
- Orthopaedic surgery, WisconsinPrimary
Orthopedic surgeons near Dr. Lonsdale
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. Jacob William Lonsdale billed Medicare for 28 services in 2024
CMS data shows 28 Medicare services from Dr. Lonsdale across 1 procedure code in 2024, for 33 Medicare patients. Medicare paid $418 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Lonsdale's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 112024: 28155%
Dr. Lonsdale compared with the Wisconsin median for orthopedic surgeons, 2024
- Dr. Lonsdale
- Wisconsin median
- Medicare services
- 28vs 43994% below
- Medicare patients
- 33vs 17281% below
Medians across 543 orthopedic surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Lonsdale's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Lonsdale and other orthopedic surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jacob William Lonsdale treated 33 Medicare patients in 2024, average age 69
CMS counts 33 Medicare patients who saw Dr. Lonsdale in 2024. 75% of them have high blood pressure, and 67% have high cholesterol. 64% are also on Medicaid. Their average risk score is 2.03, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Lonsdale's median patient age at 12, with 50% women.
Dr. Lonsdale's Medicare patients by sex, 2024
- Women1545%
- Men1855%
Chronic conditions among Dr. Lonsdale's Medicare patients, 2024
- High blood pressure75%
- High cholesterol67%
- Chronic kidney disease55%
- Diabetes48%
Share of Medicare patients with each condition. A patient can have several.
Dr. Lonsdale's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women50%
- Men50%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jacob William Lonsdale scored 81 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 81 out of 100 for Dr. Lonsdale for performance year 2024, reported as part of a group. Dr. Lonsdale accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Lonsdale's MIPS scores, performance year 2024
- 81of 100Final score
- 55.5of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 71of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Removal of nail tissue: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Jacob William Lonsdale received $30 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. Lonsdale from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. BioMarin Pharmaceutical Inc. paid the most, $30.
Companies that paid Dr. Lonsdale the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jacob William Lonsdale graduated from University of Utah School of Medicine
Dr. Lonsdale graduated from University of Utah School of Medicine in 2007.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jacob William Lonsdale'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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Jacob William Lonsdale
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. Jacob William Lonsdale's NPI number?
Dr. Jacob William Lonsdale's NPI number is 1053505958. It was assigned on September 4, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Jacob William Lonsdale?
Dr. Jacob William Lonsdale is an orthopedic surgeon in Marshfield, Wisconsin. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Jacob William Lonsdale practice?
Dr. Lonsdale practices at 1000 N Oak Ave, Marshfield, WI 54449. Dr. Lonsdale's primary practice is Marshfield Center Ambulatory Surgical Center - HOPD in Marshfield, Wisconsin. Dmand AI also links Dr. Lonsdale to 2 group practices and clinics and 1 medical group.
What is Dr. Jacob William Lonsdale's medical license number?
Dr. Lonsdale holds Wisconsin license 52577.
Which hospitals is Dr. Jacob William Lonsdale affiliated with?
Dr. Lonsdale is affiliated with Marshfield Medical Center - Marshfield.
What medical group is Dr. Jacob William Lonsdale part of?
Dr. Lonsdale is linked to Marshfield Clinic Health System. Dmand AI links Dr. Lonsdale to 1 more medical group.
Does Dr. Jacob William Lonsdale accept Medicare?
Yes. CMS data shows Dr. Lonsdale billed Medicare for 28 services in 2024, and Dr. Lonsdale accepts Medicare assignment.
What is Dr. Jacob William Lonsdale's MIPS score?
Dr. Lonsdale's MIPS final score for performance year 2024 is 81 out of 100, reported as part of a group.
How many Medicare patients does Dr. Jacob William Lonsdale see?
CMS counts 33 Medicare patients who saw Dr. Lonsdale in 2024, with an average age of 69.
What services does Dr. Jacob William Lonsdale bill to Medicare?
In 2024, Dr. Lonsdale's most billed Medicare services were surgery: skin and soft tissue (11721).
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Where did Dr. Jacob William Lonsdale go to medical school?
Dr. Lonsdale graduated from University of Utah School of Medicine in 2007.
Has Dr. Jacob William Lonsdale received payments from drug or device companies?
CMS Open Payments shows $30 in general payments to Dr. Lonsdale from 1 company from 2022 to 2022. The largest total came from BioMarin Pharmaceutical Inc.
How long has Dr. Jacob William Lonsdale been practicing?
Dr. Lonsdale graduated from medical school in 2007, 19 years ago.
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