John E. Paes, DO
NPI 1912122334ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Westerville, OH
Internal Medicine, Endocrinology, Diabetes & Metabolism (DO) in Westerville, Ohio, trained at Ohio University, College of Osteopathic Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $1,792,087 for 4,118 claims, against $91,808 paid for services in 2024. Lilly USA, LLC was the largest of 10 companies reporting payments in 2025, $123,327 in all, mostly speaking and faculty fees.
Overview
| NPI | 1912122334 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Apr 13, 2007 |
| Last updated in NPPES | Jan 21, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 34008529 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 428 |
|---|---|
| Services billed | 3,816 across 98 procedure codes |
| Paid by Medicare | $91,808 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,118 · 10,621 30-day fills |
|---|---|
| Patients | 629 |
| Total drug cost | $1,792,087 |
| Generic share | 49% of claims |
Education and affiliations
| Medical school | Ohio University, College of Osteopathic Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Central Ohio Primary Care Physicians, Inc.Columbus, OH · 488 clinicians
Hospital affiliations
- Grant Medical CenterColumbus, OH
- Licking Memorial HospitalNewark, OH
- Mount Carmel East & WestColumbus, OH
- Mount Carmel St Ann'sWesterville, OH
- Ohio State University State Health SystemColumbus, OH
Industry payments (Open Payments)
- 2025$123,327 · 198 payments from 10 companies
- 2024$142,077 · 255 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $88,944 | 139 |
| Amgen Inc. | $24,315 | 34 |
| Xeris Pharmaceuticals, Inc. | $9,821 | 15 |
| Insulet Corporation | $97.67 | 3 |
| Novo Nordisk Inc | $50.01 | 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$97,369 · 86 payments
- Travel and Lodging$15,463 · 49 payments
- Honoraria$8,050 · 5 payments
- Food and Beverage$2,446 · 58 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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