Siddhartha Y. Parker, M.D.
NPI 1417117532ActiveIndividual· Internal Medicine, Gastroenterology· Lebanon, NH
Internal Medicine, Gastroenterology (M.D.) in Lebanon, New Hampshire, trained at Tufts University School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $547,109 for 214 claims, against $57,460 paid for services in 2024.
Overview
| NPI | 1417117532 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2008 |
| Last updated in NPPES | May 2, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 16649 | NH |
| Hospitalist | 208M00000X | 16649 | NH |
| Internal Medicine | 207R00000X | 16649 | NH |
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 (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 339 |
|---|---|
| Services billed | 702 across 43 procedure codes |
| Paid by Medicare | $57,460 |
Part D prescriptions in 2024
| Prescriptions (claims) | 214 · 402 30-day fills |
|---|---|
| Patients | 60 |
| Total drug cost | $547,109 |
| Generic share | 66% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Dartmouth-Hitchcock ClinicLebanon, NH · 1,472 clinicians
- Mary Hitchcock Memorial HospitalManchester, NH · 1,280 clinicians
- The New London Hospital Association IncNew London, NH · 68 clinicians
Hospital affiliations
- Mary Hitchcock Memorial HospitalLebanon, NH
- New London HospitalNew London, NH
- Northeastern Vermont Regional HospitalSaint Johnsbury, VT
- Rutland Regional Medical CenterRutland, VT
- Valley Regional HospitalClaremont, NH
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Lebanon
- 1003172180
- 1285070136
- 1518980135
- 1699798322
- 1851387229
- 1851503999
- 1932499092
- 1992711469
- 1063733657
- 1225327638
- 1245473776
- 1427071596
All 27 gastroenterologists in Lebanon · All gastroenterologists in New Hampshire