Gerard Ohannes Oghlakian, MD
NPI 1679779979ActiveIndividual· Internal Medicine, Advanced Heart Failure and Transplant Cardiology· Springfield, MO
Internal Medicine, Advanced Heart Failure and Transplant Cardiology (MD) with Mercy Clinic Springfield Communities and 3 other groups, practicing in Springfield, Missouri. Their prescriptions cost Medicare Part D more than their services did: $1,432,646 for 4,822 claims, against $123,782 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 8 companies reporting payments in 2025, $68,398 in all, mostly speaking and faculty fees. Lists Mercy Hospital - Cassville and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1679779979 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 23, 2007 |
| Last updated in NPPES | Sep 29, 2026 |
| Certified by provider | Sep 29, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Advanced Heart Failure and Transplant Cardiology Primary | 207RA0001X | 2011006602 | MO |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 2011006602 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Advanced Heart Failure and Transplant Cardiology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,511 |
|---|---|
| Services billed | 3,106 across 35 procedure codes |
| Paid by Medicare | $123,782 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,822 · 10,886 30-day fills |
|---|---|
| Patients | 726 |
| Total drug cost | $1,432,646 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Advanced Heart Failure And Transplant Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical groups
- Mercy Clinic Springfield CommunitiesLebanon, MO · 1,120 clinicians
- Mercy Hospital CassvilleCassville, MO · 11 clinicians
- Mercy St Francis HospitalMountain View, MO · 9 clinicians
- Mercy Hospital AuroraAurora, MO · 8 clinicians
Hospital affiliations
- Mercy Hospital - CassvilleCassville, MO
- Mercy Hospital AuroraAurora, MO
- Mercy Hospital LebanonLebanon, MO
- Mercy Hospital SpringfieldSpringfield, MO
- Mercy St Francis HospitalMountain View, MO
Industry payments (Open Payments)
- 2025$68,398 · 41 payments from 8 companies
- 2024$42,359 · 49 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $42,323 | 16 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $23,550 | 16 |
| Lilly USA, LLC | $1,993 | 2 |
| Alnylam Pharmaceuticals Inc. | $147.32 | 1 |
| Boston Scientific Corporation | $130.38 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$51,423 · 14 payments
- Travel and Lodging$10,414 · 8 payments
- Consulting Fee$4,800 · 1 payment
- Food and Beverage$1,761 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records