Louis K. Essandoh, MD
NPI 1316948508ActiveIndividual· Internal Medicine, Cardiovascular Disease· Annapolis, MD
Internal Medicine, Cardiovascular Disease (MD) in Annapolis, Maryland, trained at Yale University School of Medicine (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $976,716 for 3,792 claims, against $300,352 paid for services in 2024. Boston Scientific Corporation was the largest of 5 companies reporting payments in 2025, $600.14 in all, mostly food and beverage.
Overview
| NPI | 1316948508 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 10, 2005 |
| Last updated in NPPES | May 11, 2026 |
| Certified by provider | May 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | D0041417 | MD |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 173261 | MT |
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 (CO); Practitioner - Cardiovascular Disease (Cardiology) (DC); Practitioner - Cardiovascular Disease (Cardiology) (MD); Practitioner - Cardiovascular Disease (Cardiology) (MT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,485 |
|---|---|
| Services billed | 3,697 across 35 procedure codes |
| Paid by Medicare | $300,352 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,792 · 10,405 30-day fills |
|---|---|
| Patients | 982 |
| Total drug cost | $976,716 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Internal Medicine |
Medical group
- Montrose Memorial Hospital, IncMontrose, CO · 148 clinicians
Hospital affiliations
- Benefis Hospitals IncGreat Falls, MT
- Montrose Regional HealthMontrose, CO
Industry payments (Open Payments)
- 2025$600.14 · 11 payments from 5 companies
- 2024$1,171 · 14 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $248.59 | 5 |
| Medtronic, Inc. | $213.75 | 3 |
| Astrazeneca Pharmaceuticals LP | $100.06 | 1 |
| Philips North America LLC | $20.03 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $17.71 | 1 |
What the 2025 payments were for
- Food and Beverage$600.14 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 cardiologists in Annapolis · All cardiologists in Maryland