John William Tillett, M.D.
NPI 1003090382ActiveIndividual· Urology· Denver, CO
Urology (M.D.) in Denver, Colorado, trained at Emory University School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $193,832 for 1,352 claims, against $80,528 paid for services in 2024. Ferring Pharmaceuticals Inc. was the largest of 11 companies reporting payments in 2025, $14,250 in all, mostly consulting fees.
Overview
| NPI | 1003090382 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 22, 2007 |
| Last updated in NPPES | Oct 17, 2024 |
| Certified by provider | Oct 17, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | DR.56872 | CO |
| Urology | 208800000X | ME101754 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Urology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 389 |
|---|---|
| Services billed | 3,787 across 85 procedure codes |
| Paid by Medicare | $80,528 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,352 · 3,272 30-day fills |
|---|---|
| Patients | 391 |
| Total drug cost | $193,832 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Emory University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Medical groups
- Portercare Adventist Health SystemDenver, CO · 774 clinicians
- Trauma and Emergency Subspecialty Surgeons PLLCLone Tree, CO · 27 clinicians
Hospital affiliations
- Adventhealth Castle RockCastle Rock, CO
- Adventhealth LittletonLittleton, CO
- Adventhealth ParkerParker, CO
- Adventhealth PorterDenver, CO
- Hca-Healthone DBA Swedish Medical CenterEnglewood, CO
Other facilities
- Craig HospitalLong-term care hospital · Englewood, CO
Industry payments (Open Payments)
- 2025$14,250 · 31 payments from 11 companies
- 2024$2,945 · 21 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ferring Pharmaceuticals Inc. | $3,661 | 2 |
| Pfizer Inc. | $2,513 | 4 |
| Urogen Pharma, Inc. | $2,455 | 2 |
| Boston Scientific Corporation | $1,845 | 9 |
| Janssen Scientific Affairs, LLC | $1,288 | 2 |
What the 2025 payments were for
- Consulting Fee$7,873 · 5 payments
- Honoraria$2,275 · 1 payment
- Travel and Lodging$1,785 · 7 payments
- Food and Beverage$1,455 · 17 payments
- Debt forgiveness$862.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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