Gregory D. Layton, M.D.
NPI 1104881986ActiveIndividual· Obstetrics & Gynecology· Mesa, AZ
Obstetrics & Gynecology (M.D.) in Mesa, Arizona, trained at University of Utah School of Medicine (class of 1994). Part D covered 11 prescriptions written in 2024, 100% of them generic. Neurologica Corporation, A Samsung Company was the largest of 9 companies reporting payments in 2025, $361.65 in all, mostly food and beverage.
Overview
| NPI | 1104881986 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 18, 2006 |
| Last updated in NPPES | Jun 26, 2023 |
| Certified by provider | Jun 26, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 23687 | AZ |
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 (AZ) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 32 30-day fills |
|---|---|
| Total drug cost | $1,048 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Women's Care Arizona, LLCMesa, AZ · 35 clinicians
Industry payments (Open Payments)
- 2025$361.65 · 10 payments from 9 companies
- 2024$332.39 · 9 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurologica Corporation, A Samsung Company | $103.17 | 1 |
| Hologic Sales and Service, LLC | $93.12 | 1 |
| Biogen, Inc. | $58.14 | 2 |
| Organon LLC | $27.98 | 1 |
| Pfizer Inc. | $19.21 | 1 |
What the 2025 payments were for
- Food and Beverage$361.65 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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