Mark Arthur Preston, M.D.
NPI 1861780983ActiveIndividual· Urology· Boston, MA
Urology (M.D.) with Brigham and Womens Physicians Organization Inc and 1 other group, practicing in Boston, Massachusetts. 641 Medicare patients in 2024, $219,226 paid; nearly all of their 207 Part D prescriptions were generic (90%). Janssen Global Services, LLC was the largest of 7 companies reporting payments in 2025, $4,491 in all, mostly consulting fees. Lists Brigham and Women Faulkner Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1861780983 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2011 |
| Last updated in NPPES | Jul 27, 2026 |
| Certified by provider | Jul 27, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 247103 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 641 |
|---|---|
| Services billed | 1,313 across 51 procedure codes |
| Paid by Medicare | $219,226 |
Part D prescriptions in 2024
| Prescriptions (claims) | 207 · 446 30-day fills |
|---|---|
| Patients | 83 |
| Total drug cost | $20,579 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical groups
- Brigham and Womens Physicians Organization IncBoston, MA · 2,994 clinicians
- Dana-Farber Cancer Institute, Inc.Boston, MA · 684 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
- Massachusetts General HospitalBoston, MA
- Newton-Wellesley HospitalNewton, MA
Other facilities
- Mass General Brigham Home Care, IncHome health agency · Newton, MA
Industry payments (Open Payments)
- 2025$4,491 · 8 payments from 7 companies
- 2024$15,382 · 18 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Global Services, LLC | $2,584 | 2 |
| Janssen Research & Development, LLC | $1,013 | 1 |
| Fennec Pharmaceuticals, Inc. | $388.56 | 1 |
| Becton, Dickinson and Company | $213.63 | 1 |
| Janssen Biotech, Inc. | $153.46 | 1 |
What the 2025 payments were for
- Consulting Fee$3,550 · 2 payments
- Food and Beverage$906.43 · 5 payments
- Education$35.06 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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