Rachel M. Layman, M.D.
NPI 1669594776ActiveIndividual· Internal Medicine, Medical Oncology· Houston, TX
Internal Medicine, Medical Oncology (M.D.) in Houston, Texas, trained at Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University (class of 2001). Their prescriptions cost Medicare Part D more than their services did: $958,811 for 360 claims, against $22,997 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 3 companies reporting payments in 2025, $3,046 in all, mostly consulting fees.
Overview
| NPI | 1669594776 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 6, 2007 |
| Last updated in NPPES | Jan 6, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | Q7912 | TX |
| Internal Medicine, Medical Oncology | 207RX0202X | 35.090955 | OH |
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 - Medical Oncology (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 92 |
|---|---|
| Services billed | 245 across 9 procedure codes |
| Paid by Medicare | $22,997 |
Part D prescriptions in 2024
| Prescriptions (claims) | 360 · 701 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $958,811 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Clvlnd Clinic Lerner College of Med of Case Wstn Rsv University |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Medical Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Physicians Referral ServiceHouston, TX · 2,765 clinicians
Industry payments (Open Payments)
- 2025$3,046 · 7 payments from 3 companies
- 2024$5,072 · 12 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $2,885 | 3 |
| Gilead Sciences, Inc. | $150.05 | 3 |
| R-Pharm US LLC | $10.00 | 1 |
What the 2025 payments were for
- Consulting Fee$2,800 · 1 payment
- Food and Beverage$245.52 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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