Katherine Chin, M.D.
NPI 1285830356ActiveIndividual· Internal Medicine· West Chester, PA
Internal Medicine (M.D.) with Pentahealth, LLC, practicing in West Chester, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $341,043 for 5,794 claims, against $69,338 paid for services in 2024. Astellas Pharma US Inc was the largest of 10 companies reporting payments in 2025, $287.02 in all, mostly food and beverage. Lists Chester County Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1285830356 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2007 |
| Last updated in NPPES | Mar 3, 2020 |
| Certified by provider | Mar 3, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD438644 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 441 |
|---|---|
| Services billed | 2,363 across 47 procedure codes |
| Paid by Medicare | $69,338 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,794 · 12,637 30-day fills |
|---|---|
| Patients | 679 |
| Total drug cost | $341,043 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2006 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Pentahealth, LLCDowningtown, PA · 67 clinicians
Hospital affiliations
- Chester County HospitalWest Chester, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Paoli HospitalPaoli, PA
- Riddle Memorial HospitalMedia, PA
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Exton, PA
- Main Line Health Home Care & Hospice - Home HealthHome health agency · Radnor, PA
- Penn Medicine Home HealthHome health agency · Bala Cynwyd, PA
- Penn Medicine HospiceHospice · Bala Cynwyd, PA
Industry payments (Open Payments)
- 2025$287.02 · 14 payments from 10 companies
- 2024$348.57 · 16 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $67.58 | 3 |
| Abbvie Inc. | $42.25 | 2 |
| Novo Nordisk Inc | $38.70 | 2 |
| Dexcom, Inc. | $25.62 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $22.22 | 1 |
What the 2025 payments were for
- Food and Beverage$287.02 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 65 internal medicine physicians in West Chester · All internal medicine physicians in Pennsylvania