Katherine E. Niegisch, M.D.
NPI 1003347402ActiveIndividual· Obstetrics & Gynecology· Concord, NH
Obstetrics & Gynecology (M.D.) in Concord, New Hampshire, trained at Creighton University School of Medicine (class of 2017). 49 Medicare patients in 2024, $3,343 paid; nearly all of their 82 Part D prescriptions were generic (96%). Organon LLC reported $6.68 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1003347402 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 27, 2017 |
| Last updated in NPPES | Jul 21, 2021 |
| Certified by provider | Jul 21, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 21560 | NH |
| Student in an Organized Health Care Education/Training Program | 390200000X | 63917 | — |
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 - Obstetrics/Gynecology (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 49 |
|---|---|
| Services billed | 82 across 17 procedure codes |
| Paid by Medicare | $3,343 |
Part D prescriptions in 2024
| Prescriptions (claims) | 82 · 133 30-day fills |
|---|---|
| Patients | 39 |
| Total drug cost | $2,730 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Creighton University School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Obstetrics/Gynecology |
Medical groups
- Dartmouth-Hitchcock ClinicLebanon, NH · 1,472 clinicians
- Mary Hitchcock Memorial HospitalManchester, NH · 1,280 clinicians
Hospital affiliations
- Concord HospitalConcord, NH
- Mary Hitchcock Memorial HospitalLebanon, NH
Industry payments (Open Payments)
- 2025$6.68 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $6.68 | 1 |
What the 2025 payments were for
- Food and Beverage$6.68 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Obstetrics & Gynecology providers in Concord
- 1073693156
- 1427729011
- 1942866223
- 1396811279
- 1427379080
- 1740690163
- 1063415412
- 1770586497
- 1811211667
- 1356839641
- 1740285501
- 1629060017