Aaron Mendelson, M.D.
NPI 1235499898ActiveIndividual· Internal Medicine, Gastroenterology· Allentown, PA
Internal Medicine, Gastroenterology (M.D.) in Allentown, Pennsylvania, trained at Jefferson Medical College of Thomas Jefferson University (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $1,581,976 for 974 claims, against $227,047 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 6 companies reporting payments in 2024, $7,461 in all, mostly speaking and faculty fees.
Overview
| NPI | 1235499898 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 16, 2012 |
| Last updated in NPPES | May 26, 2021 |
| Certified by provider | May 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD452088 | PA |
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 - Gastroenterology (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 553 |
|---|---|
| Services billed | 9,856 across 56 procedure codes |
| Paid by Medicare | $227,047 |
Part D prescriptions in 2024
| Prescriptions (claims) | 974 · 1,795 30-day fills |
|---|---|
| Patients | 288 |
| Total drug cost | $1,581,976 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Lehigh Valley Physician GroupAllentown, PA · 2,542 clinicians
- Valley Health Partners Community Health CenterAllentown, PA · 120 clinicians
Hospital affiliations
- Lehigh Valley HospitalAllentown, PA
- Lehigh Valley Hospital - HazletonHazleton, PA
- Lehigh Valley Hospital - PoconoEast Stroudsburg, PA
- Schuylkill Medical Center - South Jackson StreetPottsville, PA
- St Lukes HospitalBethlehem, PA
Industry payments (Open Payments)
- 2024$7,461 · 14 payments from 6 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $5,624 | 5 |
| Ardelyx, Inc. | $1,000 | 1 |
| Celgene Corporation | $641.52 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $154.77 | 2 |
| Lilly USA, LLC | $20.84 | 1 |
What the 2024 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$5,392 · 3 payments
- Consulting Fee$1,600 · 2 payments
- Food and Beverage$468.84 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Allentown
- 1003259086
- 1013440775
- 1093862666
- 1174525117
- 1194759852
- 1306282793
- 1346443231
- 1386648202
- 1396944096
- 1427443654
- 1558565598
- 1558789511
All 44 gastroenterologists in Allentown · All gastroenterologists in Pennsylvania