Rachel Cook Gunderson, M.D.
NPI 1083903603ActiveIndividual· Obstetrics & Gynecology· Dallas, TX
Obstetrics & Gynecology (M.D.) with Carlos and Parnell MD PA, practicing in Dallas, Texas. Their prescriptions cost Medicare Part D more than their services did: $24,936 for 236 claims, against $6,194 paid for services in 2024. Mayne Pharma Commercial LLC was the largest of 10 companies reporting payments in 2025, $554.55 in all, mostly food and beverage. Lists Medical City Dallas Hospital as a hospital affiliation.
Overview
| NPI | 1083903603 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 5, 2011 |
| Last updated in NPPES | Aug 26, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | Q2670 | TX |
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 - Obstetrics/Gynecology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 46 |
|---|---|
| Services billed | 105 across 11 procedure codes |
| Paid by Medicare | $6,194 |
Part D prescriptions in 2024
| Prescriptions (claims) | 236 · 569 30-day fills |
|---|---|
| Patients | 65 |
| Total drug cost | $24,936 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Carlos and Parnell MD PADallas, TX · 5 clinicians
Hospital affiliation
- Medical City Dallas HospitalDallas, TX
Industry payments (Open Payments)
- 2025$554.55 · 20 payments from 10 companies
- 2024$404.88 · 20 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mayne Pharma Commercial LLC | $163.11 | 7 |
| Hologic Sales and Service, LLC | $162.76 | 2 |
| Sumitomo Pharma America, Inc. | $62.50 | 3 |
| Baxter Healthcare | $34.19 | 2 |
| Organon LLC | $29.34 | 1 |
What the 2025 payments were for
- Food and Beverage$554.55 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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