Maren Kelly Ness Gaul, D.O.
NPI 1699061085ActiveIndividual· Dermatology· Rapid City, SD
Dermatology (D.O.) in Rapid City, South Dakota, trained at At Still Un of Hlth Sciences, Col of Osteo Med, Mesa (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $613,852 for 1,004 claims, against $138,543 paid for services in 2024. Amgen Inc. was the largest of 7 companies reporting payments in 2025, $884.18 in all, mostly food and beverage.
Overview
| NPI | 1699061085 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2011 |
| Last updated in NPPES | Feb 9, 2026 |
| Certified by provider | Feb 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | 12230 | SD |
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 - Dermatology (MS); Practitioner - Dermatology (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 732 |
|---|---|
| Services billed | 3,315 across 63 procedure codes |
| Paid by Medicare | $138,543 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,004 · 1,248 30-day fills |
|---|---|
| Patients | 360 |
| Total drug cost | $613,852 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | At Still Un of Hlth Sciences, Col of Osteo Med, Mesa |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Dermatology |
Medical group
- Advanced Dermatology and Skin Cancer Associates, PLLCOlive Branch, MS · 14 clinicians
Hospital affiliation
- Monument Health Rapid City HospitalRapid City, SD
Industry payments (Open Payments)
- 2025$884.18 · 28 payments from 7 companies
- 2024$1,229 · 39 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $319.52 | 7 |
| Abbvie Inc. | $251.02 | 12 |
| Regeneron Healthcare Solutions, Inc. | $220.55 | 4 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $35.10 | 2 |
| Kerecis Limited | $24.20 | 1 |
What the 2025 payments were for
- Food and Beverage$874.53 · 27 payments
- Education$9.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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