Kelly Wei Wei Koay, MD
NPI 1497975809ActiveIndividual· Internal Medicine· Nottingham, MD
Internal Medicine (MD) in Nottingham, Maryland, trained at Washington University School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $468,995 for 3,698 claims, against $67,416 paid for services in 2024.
Overview
| NPI | 1497975809 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 26, 2007 |
| Last updated in NPPES | May 4, 2026 |
| Certified by provider | May 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D0082382 | MD |
| Pediatrics | 208000000X | 58977 | GA |
| Internal Medicine | 207R00000X | 58977 | GA |
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 (DC); Practitioner - Internal Medicine (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 228 |
|---|---|
| Services billed | 1,098 across 39 procedure codes |
| Paid by Medicare | $67,416 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,698 · 9,498 30-day fills |
|---|---|
| Patients | 296 |
| Total drug cost | $468,995 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Johns Hopkins Community Physicians, IncLaurel, MD · 763 clinicians
- Agape Physical Therapy and Sports Rehabilitation LPForest Hill, MD · 678 clinicians
Hospital affiliations
- Johns Hopkins Bayview Medical CenterBaltimore, MD
- Johns Hopkins Hospital, theBaltimore, MD
- Medstar Franklin Square Medical CenterRosedale, MD
Other facilities
- Bayada Home Health Care, Inc.Home health agency · Towson, MD
- Medstar Health Home CareHome health agency · Baltimore, MD
- The Johns Hopkins Home Health Services, IncHome health agency · Baltimore, MD
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 internal medicine physicians in Nottingham · All internal medicine physicians in Maryland