Dr. Andrew M. Ertl, MD
- Medicare services, 2024
- 1,527
- Medicare patients, 2024
- 416
- Part D claims, 2024
- 15
- Hospital affiliations
- 5
- Industry payments
- $525
- Practice address
- 260 26th Street, Prairie Du Sac, WI 53578
- Practice phone
- Call (608) 643-3311
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Ertl's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Andrew M. Ertl is an orthopedic surgeon in Prairie Du Sac, Wisconsin
Dr. Ertl practices at Sauk Prairie Hospital in Prairie Du Sac, Wisconsin, part of Sauk Prairie Healthcare.
Dr. Ertl's NPI, 1679894943, was assigned on June 21, 2010. Dr. Ertl graduated from Medical College of Wisconsin in 2010. Dr. Ertl holds Wisconsin license 66056.
- NPI
- 1679894943NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668625617
- NPI enumeration date
- June 21, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 643-3311
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andrew M. Ertl practices at Sauk Prairie Hospital in Prairie Du Sac, Wisconsin
Dr. Ertl's primary practice is Sauk Prairie Hospital, at 260 26th Street, Prairie Du Sac, WI 53578 in Sauk County. The practice phone is (608) 643-3311.
- Sauk Prairie Hospital260 26th Street, Prairie Du Sac, WI 53578 · Sauk CountyPhone(608) 643-3311
Source: Dmand AI Affiliation Data
Dr. Andrew M. Ertl is affiliated with 5 sites of care and 1 medical group
Dr. Ertl's primary practice is Sauk Prairie Hospital in Prairie Du Sac, Wisconsin, part of Sauk Prairie Healthcare. Dr. Ertl is also affiliated with University Hospital. The medical group on file is Sauk Prairie Healthcare. Dmand AI also links Dr. Ertl to 3 more hospitals, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Andrew M. Ertl's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Ertl practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sauk Prairie Hospital | Available with a free account |
| +4 more affiliated sites | 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 Sauk Prairie Healthcare and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Andrew M. Ertl is one of 526 orthopedic surgeons in Wisconsin
Orthopaedic surgery is Dr. Ertl's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Ertl is licensed in Wisconsin.
Specialties and state licenses
- Orthopaedic surgery, WisconsinPrimary
Orthopedic surgeons near Dr. Ertl
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. Andrew M. Ertl billed Medicare for 1,527 services in 2024
CMS data shows 1,527 Medicare services from Dr. Ertl across 19 procedure codes in 2024, for 416 Medicare patients. Medicare paid $131,112 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Ertl's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 8482024: 73114%
- Office and hospital visits
- 2023: 5772024: 5318%
- Surgery
- 2023: 1862024: 26542%
Dr. Ertl compared with the Wisconsin median for orthopedic surgeons, 2024
- Dr. Ertl
- Wisconsin median
- Medicare services
- 1,527vs 4393.5 times
- Medicare patients
- 416vs 1722.4 times
- Part D claims
- 11vs 7084% below
Medians across 543 orthopedic surgeons in Wisconsin with Dmand AI profiles that report each measure.
Dr. Ertl'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. Ertl and other orthopedic surgeons in Wisconsin.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andrew M. Ertl treated 416 Medicare patients in 2024, average age 72
CMS counts 416 Medicare patients who saw Dr. Ertl in 2024. The largest group is 65 to 74, with 271 patients. 71% of them have arthritis, and 67% have high blood pressure. 6% are also on Medicaid. Their average risk score is 0.74, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Ertl's median patient age at 67, with 62% women.
Dr. Ertl's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Ertl's Medicare patients by sex, 2024
- Women26163%
- Men15537%
Chronic conditions among Dr. Ertl's Medicare patients, 2024
- Arthritis71%
- High blood pressure67%
- High cholesterol63%
- Mood disorders19%
- Anxiety18%
- Depression17%
- Diabetes17%
- Ischemic heart disease15%
Share of Medicare patients with each condition. A patient can have several.
Dr. Ertl'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
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andrew M. Ertl wrote 15 Medicare Part D claims in 2024
In 2024, Dr. Ertl wrote 15 Medicare Part D claims for 14 patients. 100% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $93 in total drug cost. In 2021, CMS named 11 claims across 1 drug.
Dr. Ertl's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2021 to 2023
- 2021
- 2023
- Claims for drugs CMS names
- 2021: 112023: 11No change
Drugs named by CMS: 1 in 2023, 1 in 2021.
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. Andrew M. Ertl ranks in the 85th percentile for knee replacement in Medicare
Dr. Ertl accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 66 procedures of knee replacement by Dr. Ertl, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Ertl ranks in Medicare procedure volume
- Knee replacement
- 85th percentile66 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Hip 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)
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal of nail tissue: 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); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Andrew M. Ertl received $525 in industry payments from 2016 to 2023
CMS Open Payments shows 11 general payments to Dr. Ertl from 6 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $228.
General payments to Dr. Ertl by program year, 2016 to 2023
Companies that paid Dr. Ertl the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Andrew M. Ertl graduated from Medical College of Wisconsin
Dr. Ertl graduated from Medical College of Wisconsin in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Andrew M. Ertl'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. Andrew M. Ertl
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. Andrew M. Ertl's NPI number?
Dr. Andrew M. Ertl's NPI number is 1679894943. It was assigned on June 21, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Andrew M. Ertl?
Dr. Andrew M. Ertl is an orthopedic surgeon in Prairie Du Sac, Wisconsin. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Andrew M. Ertl practice?
Dr. Ertl practices at 260 26th Street, Prairie Du Sac, WI 53578. Dr. Ertl's primary practice is Sauk Prairie Hospital in Prairie Du Sac, Wisconsin, part of Sauk Prairie Healthcare. Dmand AI also links Dr. Ertl to 3 hospitals.
What is Dr. Andrew M. Ertl's office phone number?
The practice phone on file for Dr. Ertl is (608) 643-3311.
What is Dr. Andrew M. Ertl's medical license number?
Dr. Ertl holds Wisconsin license 66056.
Which hospitals is Dr. Andrew M. Ertl affiliated with?
Dr. Ertl practices at Sauk Prairie Hospital in Prairie Du Sac, Wisconsin. Dr. Ertl is also affiliated with University Hospital. Dmand AI links Dr. Ertl to 3 more hospitals.
What medical group is Dr. Andrew M. Ertl part of?
Dr. Ertl is linked to Sauk Prairie Healthcare.
Does Dr. Andrew M. Ertl accept Medicare?
Yes. CMS data shows Dr. Ertl billed Medicare for 1,527 services in 2024, and Dr. Ertl accepts Medicare assignment.
How many Medicare patients does Dr. Andrew M. Ertl see?
CMS counts 416 Medicare patients who saw Dr. Ertl in 2024, with an average age of 72.
What services does Dr. Andrew M. Ertl bill to Medicare?
In 2024, Dr. Ertl's most billed Medicare services were diagnostic imaging (73610), diagnostic imaging (73562) and office visit, established patient (99213).
Show 4 more questionsShow fewer questions
Where did Dr. Andrew M. Ertl go to medical school?
Dr. Ertl graduated from Medical College of Wisconsin in 2010.
What drugs does Dr. Andrew M. Ertl prescribe most?
In 2023 Medicare Part D data, Dr. Ertl's most prescribed drugs by claims were Mupirocin.
Has Dr. Andrew M. Ertl received payments from drug or device companies?
CMS Open Payments shows $525 in general payments to Dr. Ertl from 6 companies from 2016 to 2023. The largest total came from Stryker Corporation.
How long has Dr. Andrew M. Ertl been practicing?
Dr. Ertl graduated from medical school in 2010, 16 years ago.
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