William Sauer, MD
NPI 1609827583ActiveIndividual· Internal Medicine, Clinical Cardiac Electrophysiology· Chicago, IL
Internal Medicine, Clinical Cardiac Electrophysiology (MD) with Brigham and Womens Physicians Organization Inc, practicing in Chicago, Illinois. In 2024 Medicare paid $143,908 for 1,370 patients, and Part D covered 70 of their prescriptions, 80% of them generic. Biosense Webster, Inc. was the largest of 6 companies reporting payments in 2025, $99,765 in all, mostly consulting fees. Lists Brigham and Women Faulkner Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1609827583 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 15, 2006 |
| Last updated in NPPES | Jul 21, 2026 |
| Certified by provider | Jul 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Clinical Cardiac Electrophysiology Primary | 207RC0001X | 036177896 | IL |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 036177896 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiac Electrophysiology (IL); Practitioner - Cardiac Electrophysiology (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,370 |
|---|---|
| Services billed | 2,634 across 61 procedure codes |
| Paid by Medicare | $143,908 |
Part D prescriptions in 2024
| Prescriptions (claims) | 70 · 173 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $17,635 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Cardiac Electrophysiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Medical group
- Brigham and Womens Physicians Organization IncBoston, MA · 2,994 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- The University of Chicago Medical CenterChicago, IL
Industry payments (Open Payments)
- 2025$99,765 · 111 payments from 6 companies
- 2024$47,021 · 84 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biosense Webster, Inc. | $64,446 | 41 |
| Abbott Laboratories | $16,329 | 34 |
| Boston Scientific Corporation | $11,525 | 15 |
| Biotronik Inc. | $7,290 | 16 |
| Medtronic, Inc. | $146.34 | 4 |
What the 2025 payments were for
- Consulting Fee$55,207 · 12 payments
- Travel and Lodging$19,077 · 28 payments
- Compensation for serving as faculty or as a speaker for a medical education program$14,350 · 5 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$6,525 · 3 payments
- Food and Beverage$4,606 · 63 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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