Nathaniel Johnson, MD
NPI 1578925715ActiveIndividual· Urology· Biddeford, ME
Urology (MD) in Biddeford, Maine, trained at Tufts University School of Medicine (class of 2016). 166 Medicare patients in 2024, $64,188 paid; nearly all of their 969 Part D prescriptions were generic (92%). Calyxo, Inc. was the largest of 2 companies reporting payments in 2025, $242.12 in all, mostly food and beverage.
Overview
| NPI | 1578925715 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 27, 2016 |
| Last updated in NPPES | Mar 26, 2025 |
| Certified by provider | Mar 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | MD24828 | ME |
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 (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 166 |
|---|---|
| Services billed | 2,143 across 58 procedure codes |
| Paid by Medicare | $64,188 |
Part D prescriptions in 2024
| Prescriptions (claims) | 969 · 1,807 30-day fills |
|---|---|
| Patients | 249 |
| Total drug cost | $80,466 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical group
- MainehealthPortland, ME · 2,633 clinicians
Hospital affiliation
- Mainehealth Maine Medical CenterPortland, ME
Industry payments (Open Payments)
- 2025$242.12 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calyxo, Inc. | $142.73 | 1 |
| Procept Biorobotics Corporation | $99.39 | 1 |
What the 2025 payments were for
- Food and Beverage$242.12 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Urology providers in Biddeford
- 1083876296