Karen Lizhong Tan, MD
NPI 1427129071ActiveIndividual· Otolaryngology· Amsterdam, NY
Otolaryngology (MD) in Amsterdam, New York, trained at Albany Medical College of Union University (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $313,004 for 5,709 claims, against $70,364 paid for services in 2024. Integra Lifesciences Corporation was the largest of 11 companies reporting payments in 2025, $1,259 in all, mostly food and beverage.
Overview
| NPI | 1427129071 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 13, 2006 |
| Last updated in NPPES | Feb 20, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | 183416 | NY |
| Otolaryngology, Otolaryngic Allergy | 207YX0602X | 183416 | NY |
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 - Otolaryngology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 268 |
|---|---|
| Services billed | 2,183 across 39 procedure codes |
| Paid by Medicare | $70,364 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,709 · 10,065 30-day fills |
|---|---|
| Patients | 845 |
| Total drug cost | $313,004 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Albany Medical College of Union University |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Otolaryngology |
Hospital affiliations
- Nathan Littauer HospitalGloversville, NY
- St Marys HealthcareAmsterdam, NY
Industry payments (Open Payments)
- 2025$1,259 · 46 payments from 11 companies
- 2024$1,261 · 36 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Integra Lifesciences Corporation | $277.16 | 8 |
| Glaxosmithkline, LLC. | $216.27 | 12 |
| Paratek Pharmaceuticals, Inc. | $176.31 | 4 |
| Revance Therapeutics, Inc. | $121.79 | 1 |
| Genzyme Corporation | $119.28 | 5 |
What the 2025 payments were for
- Food and Beverage$1,259 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Otolaryngology providers in Amsterdam
- 1801971817