Dr. David W. Sadler, MD
- Medicare services, 2024
- 713
- Medicare patients, 2024
- 474
- Part D claims, 2024
- 224
- Hospital affiliations
- 1
- Medical groups
- 4
- Practice address
- 791 E Summit Ave, Oconomowoc, WI 53066
- Practice phone
- Call (262) 569-9400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. David W. Sadler is an emergency medicine physician in Oconomowoc, Wisconsin
Dr. Sadler practices at ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin, part of ProHealth Care.
Dr. Sadler's NPI, 1568491819, was assigned on June 30, 2006. Dr. Sadler graduated from University of Wisconsin School of Medicine in 2002. Dr. Sadler holds Wisconsin license 48526-020.
- NPI
- 1568491819NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345268587
- NPI enumeration date
- June 30, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 569-9400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David W. Sadler practices at ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin
Dr. Sadler's primary practice is ProHealth Oconomowoc Memorial Hospital, at 791 E Summit Ave, Oconomowoc, WI 53066 in Waukesha County. The practice phone is (262) 569-9400.
- ProHealth Oconomowoc Memorial Hospital791 E Summit Ave, Oconomowoc, WI 53066 · Waukesha CountyPhone(262) 569-9400
Source: Dmand AI Affiliation Data
Dr. David W. Sadler is affiliated with 5 sites of care and 4 medical groups
Dr. Sadler's primary practice is ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin, part of ProHealth Care. The medical group on file is Lake Country Emergency Physicians. Dmand AI also links Dr. Sadler to 3 more group practices and clinics, 3 medical groups and 1 hospital outpatient department, 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. David W. Sadler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sadler practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| ProHealth Oconomowoc Memorial Hospital | Available with a free account |
| +4 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David W. Sadler is one of 1,211 emergency medicine physicians in Wisconsin
Emergency medicine is Dr. Sadler's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Sadler is licensed in Wisconsin.
Specialties and state licenses
- Emergency medicine, WisconsinPrimary
Emergency medicine physicians near Dr. Sadler
Counts of emergency medicine physicians 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. David W. Sadler billed Medicare for 713 services in 2024
CMS data shows 713 Medicare services from Dr. Sadler across 5 procedure codes in 2024, for 474 Medicare patients. Medicare paid $63,357 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sadler's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5812024: 5378%
- Tests and treatments
- 2023: 1552024: 17614%
Dr. Sadler compared with the Wisconsin median for emergency medicine physicians, 2024
- Dr. Sadler
- Wisconsin median
- Medicare services
- 713vs 2462.9 times
- Medicare patients
- 474vs 2212.1 times
- Part D claims
- 105vs 5784% above
Medians across 1,249 emergency medicine physicians in Wisconsin with Dmand AI profiles that report each measure.
Dr. Sadler'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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David W. Sadler treated 474 Medicare patients in 2024, average age 75
CMS counts 474 Medicare patients who saw Dr. Sadler in 2024. The largest group is 75 to 84, with 166 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.72, 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. Sadler's median patient age at 62, with 56% women.
Dr. Sadler's Medicare patients by age, 2024
Dr. Sadler's Medicare patients by sex, 2024
- Women26255%
- Men21245%
Chronic conditions among Dr. Sadler's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis50%
- Chronic kidney disease40%
- Mood disorders35%
- Anxiety34%
- Ischemic heart disease34%
- Atrial fibrillation32%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sadler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 62
Patient panel by sex, all payers
- Women56%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David W. Sadler wrote 224 Medicare Part D claims in 2024
In 2024, Dr. Sadler wrote 224 Medicare Part D claims for 158 patients. 92% of them were for generic drugs. CMS names the drug for 105 of them, across 5 drugs with 11 or more claims each, at $693 in total drug cost. In 2023, CMS named 114 claims across 6 drugs.
Dr. Sadler's Part D claims by kind of drug, 2024
- Generic206 claims92%
- Brand-name and other18 claims8%
Dr. Sadler'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. Sadler's Part D claims, 2024
- Opioids14%31 of 224 claims
- Antibiotics33%73 of 224 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: 1142024: 1058%
Drugs named by CMS: 5 in 2024, 6 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. David W. Sadler takes part in Medicare
Dr. Sadler accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. David W. Sadler graduated from University of Wisconsin School of Medicine
Dr. Sadler graduated from University of Wisconsin School of Medicine in 2002.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David W. Sadler'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) |
| 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. David W. Sadler
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. David W. Sadler's NPI number?
Dr. David W. Sadler's NPI number is 1568491819. It was assigned on June 30, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. David W. Sadler?
Dr. David W. Sadler is an emergency medicine physician in Oconomowoc, Wisconsin. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. David W. Sadler practice?
Dr. Sadler practices at 791 E Summit Ave, Oconomowoc, WI 53066. Dr. Sadler's primary practice is ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin, part of ProHealth Care. Dmand AI also links Dr. Sadler to 3 group practices and clinics, 3 medical groups and 1 hospital outpatient department.
What is Dr. David W. Sadler's office phone number?
The practice phone on file for Dr. Sadler is (262) 569-9400.
What is Dr. David W. Sadler's medical license number?
Dr. Sadler holds Wisconsin license 48526-020.
Which hospitals is Dr. David W. Sadler affiliated with?
Dr. Sadler practices at ProHealth Oconomowoc Memorial Hospital in Oconomowoc, Wisconsin.
What medical group is Dr. David W. Sadler part of?
Dr. Sadler is linked to Lake Country Emergency Physicians. Dmand AI links Dr. Sadler to 3 more medical groups.
Does Dr. David W. Sadler accept Medicare?
Yes. CMS data shows Dr. Sadler billed Medicare for 713 services in 2024, and Dr. Sadler accepts Medicare assignment.
How many Medicare patients does Dr. David W. Sadler see?
CMS counts 474 Medicare patients who saw Dr. Sadler in 2024, with an average age of 75.
What services does Dr. David W. Sadler bill to Medicare?
In 2024, Dr. Sadler's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
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Where did Dr. David W. Sadler go to medical school?
Dr. Sadler graduated from University of Wisconsin School of Medicine in 2002.
What drugs does Dr. David W. Sadler prescribe most?
In 2024 Medicare Part D data, Dr. Sadler's most prescribed drugs by claims were Cephalexin, Hydrocodone-Acetaminophen and Ondansetron ODT.
How long has Dr. David W. Sadler been practicing?
Dr. Sadler graduated from medical school in 2002, 24 years ago.
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