Joan F. Coker, M.D.
NPI 1992739676ActiveIndividual· Otolaryngology· Wilmington, DE
Otolaryngology (M.D.) in Wilmington, Delaware, trained at Medical College of Ohio (class of 1993). 1,019 Medicare patients in 2024, $178,191 paid; nearly all of their 1,935 Part D prescriptions were generic (99%). Takeda Pharmaceuticals U.S.A., Inc. was the largest of 11 companies reporting payments in 2025, $779.67 in all, mostly food and beverage.
Overview
| NPI | 1992739676 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Aug 10, 2020 |
| Certified by provider | Aug 10, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | C10008417 | DE |
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 - Otolaryngology (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,019 |
|---|---|
| Services billed | 5,046 across 43 procedure codes |
| Paid by Medicare | $178,191 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,935 · 4,320 30-day fills |
|---|---|
| Patients | 598 |
| Total drug cost | $69,766 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Medical College of Ohio |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Otolaryngology |
Medical groups
- Christiana Care Health Services IncNewark, DE · 1,483 clinicians
- ENT and Allergy of Delaware LLCWilmington, DE · 42 clinicians
Hospital affiliations
- Bayhealth Medical Center, Kent CampusDover, DE
- Christiana HospitalNewark, DE
- St Francis HospitalWilmington, DE
Industry payments (Open Payments)
- 2025$779.67 · 34 payments from 11 companies
- 2024$630.58 · 20 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $194.50 | 7 |
| Glaxosmithkline, LLC. | $142.28 | 7 |
| Genentech USA, Inc. | $85.46 | 3 |
| Csl Behring | $72.15 | 3 |
| Astrazeneca Pharmaceuticals LP | $65.45 | 3 |
What the 2025 payments were for
- Food and Beverage$779.67 · 34 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 otolaryngologists in Wilmington · All otolaryngologists in Delaware