Sergei Tikhonenkov, MD
NPI 1104973908ActiveIndividual· Urology· Honolulu, HI
Urology (MD) in Honolulu, Hawaii, trained at University of North Carolina at Chapel Hill School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $1,394,219 for 1,339 claims, against $143,462 paid for services in 2024. Astellas Pharma US Inc was the largest of 10 companies reporting payments in 2025, $1,491 in all, mostly food and beverage.
Overview
| NPI | 1104973908 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 4, 2007 |
| Last updated in NPPES | Jun 9, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Urology Primary | 208800000X | 40887 | TN |
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 (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 562 |
|---|---|
| Services billed | 1,659 across 64 procedure codes |
| Paid by Medicare | $143,462 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,339 · 3,030 30-day fills |
|---|---|
| Patients | 393 |
| Total drug cost | $1,394,219 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Urology |
| Telehealth | Offers telehealth |
Hospital affiliations
- Adventist Health CastleKailua, HI
- Kuakini Medical CenterHonolulu, HI
- Molokai General HospitalKaunakakai, HI
- North Hawaii Community Hospital, IncKamuela, HI
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$1,491 · 51 payments from 10 companies
- 2024$3,199 · 61 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $385.98 | 9 |
| Pfizer Inc. | $348.85 | 17 |
| Olympus America Inc. | $214.73 | 3 |
| Sumitomo Pharma America, Inc. | $135.08 | 6 |
| Janssen Biotech, Inc. | $106.44 | 4 |
What the 2025 payments were for
- Food and Beverage$1,313 · 49 payments
- Education$177.96 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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