AppendectomyCholecystectomy, LaparoscopicHernia, Inguinal
Dr. Gavin Mark Ambrosi, MD
NPI1700299203PAC ID2567753759
- Medicare services, 2024
- 121
- Medicare patients, 2024
- 180
- Part D claims, 2024
- 256
- Publications
- 2
- MIPS score, 2024
- 92
- Practice address
- 1000 N Oak Ave, Marshfield, WI 54449
- Practice phone
- Call (715) 358-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Marshfield Medical Center - Minocqua
Marshfield, Wisconsin
Find Dr. Ambrosi's professional email, personal email and mobile number
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Dr. Gavin Mark Ambrosi is a general surgeon in Marshfield, Wisconsin
Dr. Ambrosi practices at Marshfield Medical Center - Minocqua in Marshfield, Wisconsin.
Dr. Ambrosi's NPI, 1700299203, was assigned on June 3, 2014. Dr. Ambrosi graduated from Michigan State University College of Human Medicine in 2014. Dr. Ambrosi holds Wisconsin license 70554-20.
NPI and contact details
- NPI
- 1700299203NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2567753759
- NPI enumeration date
- June 3, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (715) 358-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Gavin Mark Ambrosi practices at Marshfield Medical Center - Minocqua in Marshfield, Wisconsin
Dr. Ambrosi's primary practice is Marshfield Medical Center - Minocqua, at 1000 N Oak Ave, Marshfield, WI 54449 in Wood County. The practice phone is (715) 358-1000.
- Marshfield Medical Center - Minocqua1000 N Oak Ave, Marshfield, WI 54449 · Wood CountyPhone(715) 358-1000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Gavin Mark Ambrosi is affiliated with 7 sites of care and 3 medical groups
Dr. Ambrosi's primary practice is Marshfield Medical Center - Minocqua in Marshfield, Wisconsin. Dr. Ambrosi is also affiliated with Marshfield Medical Center - Minocqua. The medical group on file is Marshfield Clinic Health System. Dmand AI also links Dr. Ambrosi to 2 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.
Marshfield Medical Center - MinocquaPrimary
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gavin Mark Ambrosi's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ambrosi practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshfield Medical Center - Minocqua | Available with a free account |
| +6 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Dr. Gavin Mark Ambrosi is one of 565 general surgeons in Wisconsin
Surgery is Dr. Ambrosi's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Ambrosi's licenses on file in 2 states: Wisconsin and Michigan.
Specialties and state licenses
- Surgery, WisconsinPrimary
- Michigan license
General surgeons near Dr. Ambrosi
Counts of general 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. Gavin Mark Ambrosi billed Medicare for 121 services in 2024
CMS data shows 121 Medicare services from Dr. Ambrosi across 6 procedure codes in 2024, for 180 Medicare patients. Medicare paid $16,008 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2024121
Medicare patients180
Paid by Medicare$16,008
Procedure codes6
Dr. Ambrosi's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1092024: 8225%
- Other services
- 2023: 192024: 2321%
- Imaging
- 2023: 112024: 1645%
Dr. Ambrosi compared with the Wisconsin median for general surgeons, 2024
- Dr. Ambrosi
- Wisconsin median
- Medicare services
- 121vs 9922% above
- Medicare patients
- 180vs 10080% above
- Part D claims
- 219vs 375.9 times
Medians across 557 general surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Ambrosi'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.
Need commercial claims for Dr. Ambrosi?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Ambrosi and other general surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gavin Mark Ambrosi treated 180 Medicare patients in 2024, average age 71
CMS counts 180 Medicare patients who saw Dr. Ambrosi in 2024. The largest group is 65 to 74, with 97 patients. 72% of them have high blood pressure, and 68% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.38, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ambrosi's median patient age at 67, with 43% women.
Medicare patients, 2024180
Average age71
Average risk score1.38
Also on Medicaid14%
Dr. Ambrosi's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ambrosi's Medicare patients by sex, 2024
- Women8949%
- Men9151%
Chronic conditions among Dr. Ambrosi's Medicare patients, 2024
- High blood pressure72%
- High cholesterol68%
- Arthritis36%
- Cancer26%
- Chronic kidney disease26%
- Ischemic heart disease24%
- Anxiety21%
- Diabetes20%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ambrosi's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women43%
- Men57%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Gavin Mark Ambrosi wrote 256 Medicare Part D claims in 2024
In 2024, Dr. Ambrosi wrote 256 Medicare Part D claims for 146 patients. 80% of them were for generic drugs. CMS names the drug for 219 of them, across 8 drugs with 11 or more claims each, at $2,398 in total drug cost. In 2023, CMS named 105 claims across 4 drugs.
Part D claims, 2024256
Drugs named by CMS8
Total drug cost$2,398
Part D patients146
Dr. Ambrosi's Part D claims by kind of drug, 2024
- Generic204 claims80%
- Brand-name52 claims20%
Dr. Ambrosi'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. Ambrosi's Part D claims, 2024
- Opioids12%31 of 256 claims
- Antibiotics10%26 of 256 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: 1052024: 219109%
Drugs named by CMS: 8 in 2024, 4 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
Dr. Gavin Mark Ambrosi scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Ambrosi for performance year 2024, reported as part of a group. Dr. Ambrosi accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of hernia repair (minimally invasive) by Dr. Ambrosi, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Ambrosi's MIPS scores, performance year 2024
- 92of 100Final score
- 78.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Ambrosi ranks in Medicare procedure volume
- Colonoscopy
- 72nd percentile73 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 66th percentile58 procedures
- Hernia repair (minimally invasive)
- 81st percentile15 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)
Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)
Melanoma (skin cancer) excision: 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)
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. Gavin Mark Ambrosi has 2 publications on record
Dmand AI links 2 papers to Dr. Ambrosi, published from 2011 to 2013. Dr. Ambrosi's most frequent co-authors are Shonda L. Banegas, DO, Mathew Hwayup Chung, MD and Matthew Brent Dull, MD.
Papers2
Years published2011 to 2013
Dr. Ambrosi's most frequent co-authors
- Shonda L. Banegas, DO1 shared paper
- Mathew Hwayup Chung, MD1 shared paper
- Matthew Brent Dull, MD1 shared paper
Recent publications by Dr. Ambrosi
See who Dr. Ambrosi researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Ambrosi works with, so you can find a warm path to the right general surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gavin Mark Ambrosi received $4,510 in industry payments from 2019 to 2022
CMS Open Payments shows 9 general payments to Dr. Ambrosi from 2 drug and device companies from 2019 to 2022. Education make up the largest share, 89% of the total. Intuitive Surgical, Inc. paid the most, $4,444. It also lists 1 research payment totaling $15 in 2018.
General payments to Dr. Ambrosi by program year, 2019 to 2022
General payments to Dr. Ambrosi by kind, 2019 to 2022
$4.5Kin total
- Education$4,00089%
- Travel and lodging$3648%
- Food and beverage$1463%
Companies that paid Dr. Ambrosi the most, 2019 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gavin Mark Ambrosi graduated from Michigan State University College of Human Medicine
Dr. Ambrosi graduated from Michigan State University College of Human Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gavin Mark Ambrosi'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Gavin Mark Ambrosi
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. Gavin Mark Ambrosi's NPI number?
Dr. Gavin Mark Ambrosi's NPI number is 1700299203. It was assigned on June 3, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Gavin Mark Ambrosi?
Dr. Gavin Mark Ambrosi is a general surgeon in Marshfield, Wisconsin. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Gavin Mark Ambrosi practice?
Dr. Ambrosi practices at 1000 N Oak Ave, Marshfield, WI 54449. Dr. Ambrosi's primary practice is Marshfield Medical Center - Minocqua in Marshfield, Wisconsin. Dmand AI also links Dr. Ambrosi to 2 hospitals, 3 group practices and clinics and 2 medical groups.
What is Dr. Gavin Mark Ambrosi's office phone number?
The practice phone on file for Dr. Ambrosi is (715) 358-1000.
What is Dr. Gavin Mark Ambrosi's medical license number?
Dr. Ambrosi holds Wisconsin license 70554-20, one of the licenses on file in 2 states.
Which states has Dr. Gavin Mark Ambrosi been licensed in?
Dmand AI has state licenses on file for Dr. Ambrosi in Wisconsin and Michigan.
Which hospitals is Dr. Gavin Mark Ambrosi affiliated with?
Dr. Ambrosi is affiliated with Marshfield Medical Center - Minocqua. Dmand AI links Dr. Ambrosi to 2 more hospitals.
What medical group is Dr. Gavin Mark Ambrosi part of?
Dr. Ambrosi is linked to Marshfield Clinic Health System. Dmand AI links Dr. Ambrosi to 2 more medical groups.
Does Dr. Gavin Mark Ambrosi accept Medicare?
Yes. CMS data shows Dr. Ambrosi billed Medicare for 121 services in 2024, and Dr. Ambrosi accepts Medicare assignment.
What is Dr. Gavin Mark Ambrosi's MIPS score?
Dr. Ambrosi's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Gavin Mark Ambrosi see?
CMS counts 180 Medicare patients who saw Dr. Ambrosi in 2024, with an average age of 71.
What services does Dr. Gavin Mark Ambrosi bill to Medicare?
In 2024, Dr. Ambrosi's most billed Medicare services were surgery: digestive system (45385), surgery: digestive system (43239) and radiation oncology (77001).
Where did Dr. Gavin Mark Ambrosi go to medical school?
Dr. Ambrosi graduated from Michigan State University College of Human Medicine in 2014.
What drugs does Dr. Gavin Mark Ambrosi prescribe most?
In 2024 Medicare Part D data, Dr. Ambrosi's most prescribed drugs by claims were Omeprazole, Peg-3350 And Electrolytes and Hydrocodone-Acetaminophen.
Has Dr. Gavin Mark Ambrosi received payments from drug or device companies?
CMS Open Payments shows $4,510 in general payments to Dr. Ambrosi from 2 companies from 2019 to 2022. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Gavin Mark Ambrosi been practicing?
Dr. Ambrosi graduated from medical school in 2014, 12 years ago.
Does Dr. Gavin Mark Ambrosi do research?
Dmand AI links 2 publications to Dr. Ambrosi, published from 2011 to 2013.
Who does Dr. Gavin Mark Ambrosi publish with?
Dr. Ambrosi's most frequent co-authors are Shonda L. Banegas, DO (1 shared paper), Mathew Hwayup Chung, MD (1 shared paper) and Matthew Brent Dull, MD (1 shared paper).
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