Michael Pineda Gerardo, D.O.
NPI 1851588800ActiveIndividual· Internal Medicine· Saint Louis, MO
Internal Medicine (D.O.) in Saint Louis, Missouri, trained at Ohio University, College of Osteopathic Medicine (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $1,928,781 for 19,781 claims, against $206,545 paid for services in 2024. Lilly USA, LLC was the largest of 21 companies reporting payments in 2025, $2,439 in all, mostly food and beverage.
Overview
| NPI | 1851588800 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Oct 3, 2007 |
| Last updated in NPPES | Jan 26, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 2015020230 | MO |
| Internal Medicine | 207R00000X | 34.009146 | OH |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 348 |
|---|---|
| Services billed | 6,179 across 42 procedure codes |
| Paid by Medicare | $206,545 |
Part D prescriptions in 2024
| Prescriptions (claims) | 19,781 · 41,766 30-day fills |
|---|---|
| Patients | 890 |
| Total drug cost | $1,928,781 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Ohio University, College of Osteopathic Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
- Aging Well Health Care, LLCSaint Louis, MO · 238 clinicians
Hospital affiliations
- Mercy Hospital JeffersonCrystal City, MO
- Mercy Hospital SouthSaint Louis, MO
- Mercy Hospital St LouisSaint Louis, MO
- Mercy Hospital WashingtonWashington, MO
- Missouri Baptist Medical CenterSaint Louis, MO
Other facilities
- Delmar Gardens Home Care IncHome health agency · Chesterfield, MO
- Dover Home Health Mo Stl Metro, LLCHome health agency · St Louis, MO
- Mercy Home HealthHome health agency · Saint Louis, MO
- Mercy Home HealthHome health agency · Saint Louis, MO
- Mercy HospiceHospice · Saint Louis, MO
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$2,439 · 147 payments from 21 companies
- 2024$3,143 · 165 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $323.73 | 21 |
| Novo Nordisk Inc | $269.22 | 15 |
| Astrazeneca Pharmaceuticals LP | $259.38 | 16 |
| Pfizer Inc. | $252.13 | 18 |
| Otsuka America Pharmaceutical, Inc. | $216.45 | 13 |
What the 2025 payments were for
- Food and Beverage$2,439 · 147 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,092 internal medicine physicians in Saint Louis · All internal medicine physicians in Missouri