Kathy Shaobing Tan, M.D.
NPI 1477521409ActiveIndividual· Internal Medicine· Brooklyn, NY
Internal Medicine (M.D.) in Brooklyn, New York, licensed in NY, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $1,936,300 for 11,207 claims, against $2,643 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 18 companies reporting payments in 2025, $6,509 in all, mostly food and beverage.
Overview
| NPI | 1477521409 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 8, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 233820 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 34 across 9 procedure codes |
| Paid by Medicare | $2,643 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,207 · 22,615 30-day fills |
|---|---|
| Patients | 462 |
| Total drug cost | $1,936,300 |
| Generic share | 75% of claims |
Industry payments (Open Payments)
- 2025$6,509 · 134 payments from 18 companies
- 2024$7,095 · 141 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $1,140 | 27 |
| Abbvie Inc. | $814.58 | 14 |
| Glaxosmithkline, LLC. | $732.84 | 13 |
| Amgen Inc. | $657.16 | 14 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $524.83 | 6 |
What the 2025 payments were for
- Food and Beverage$6,509 · 134 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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