Imelyn F. Lahey, M.D.
NPI 1780999300ActiveIndividual· Family Medicine· Newark, DE
Family Medicine (M.D.) with Diamond State Primary Care, LLC, practicing in Newark, Delaware. Their prescriptions cost Medicare Part D more than their services did: $636,804 for 5,787 claims, against $206,006 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 15 companies reporting payments in 2025, $1,214 in all, mostly food and beverage. Lists Christiana Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1780999300 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 9, 2010 |
| Last updated in NPPES | Oct 15, 2026 |
| Certified by provider | Oct 15, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | C1-0012418 | 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 - Family Practice (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 468 |
|---|---|
| Services billed | 3,918 across 57 procedure codes |
| Paid by Medicare | $206,006 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,787 · 13,749 30-day fills |
|---|---|
| Patients | 480 |
| Total drug cost | $636,804 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Diamond State Primary Care, LLCNewark, DE · 2 clinicians
Hospital affiliations
- Christiana HospitalNewark, DE
- Union Hospital of Cecil CountyElkton, MD
Other facilities
- Amedisys Delaware, LLCHome health agency · Dover, DE
- Amedisys Home Health of Maryland LLC,Home health agency · Elkton, MD
- Bayada Home Health Care, IncHome health agency · Wilmington, DE
- Christianacare HomehealthHome health agency · Wilmington, DE
- Christianacare HomehealthHome health agency · Camden, DE
Industry payments (Open Payments)
- 2025$1,214 · 73 payments from 15 companies
- 2024$1,716 · 97 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $357.70 | 17 |
| Abbvie Inc. | $210.75 | 20 |
| Astellas Pharma US Inc | $147.83 | 8 |
| Pfizer Inc. | $145.79 | 10 |
| Lilly USA, LLC | $64.60 | 3 |
What the 2025 payments were for
- Food and Beverage$1,214 · 73 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 117 family medicine physicians in Newark · All family medicine physicians in Delaware