Michael William Witthaus, M.D.
NPI 1871987180ActiveIndividual· Urology· San Diego, CA
Urology (M.D.) in San Diego, California, trained at Boston University School of Medicine (class of 2015). 357 Medicare patients in 2024, $195,507 paid; nearly all of their 704 Part D prescriptions were generic (93%). Boston Scientific Corporation was the largest of 24 companies reporting payments in 2025, $3,988 in all, mostly grants.
Overview
| NPI | 1871987180 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 25, 2015 |
| Last updated in NPPES | Sep 28, 2021 |
| Certified by provider | Sep 28, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | A174216 | CA |
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 - Urology (DC); Practitioner - Urology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 357 |
|---|---|
| Services billed | 6,527 across 103 procedure codes |
| Paid by Medicare | $195,507 |
Part D prescriptions in 2024
| Prescriptions (claims) | 704 · 1,297 30-day fills |
|---|---|
| Patients | 194 |
| Total drug cost | $78,313 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Boston University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- Chesapeake Urology Associates LLCGermantown, MD · 177 clinicians
Hospital affiliations
- Medstar Southern Maryland Hospital CenterClinton, MD
- University of MD Capital Region Medical CenterUpper Marlboro, MD
Industry payments (Open Payments)
- 2025$3,988 · 67 payments from 24 companies
- 2024$2,212 · 75 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $2,296 | 11 |
| Coloplast Corp | $395.23 | 8 |
| Endo USA, Inc. | $238.45 | 9 |
| Rigicon,inc. | $100.28 | 1 |
| Caldera Medical, Inc | $95.72 | 1 |
What the 2025 payments were for
- Grant$2,000 · 1 payment
- Food and Beverage$1,988 · 66 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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