Gregory J. Marchand, M.D.
NPI 1891907119ActiveIndividual· Obstetrics & Gynecology· Mesa, AZ
Obstetrics & Gynecology (M.D.) in Mesa, Arizona, licensed in AZ, with an NPI issued in May 2007. Their prescriptions cost Medicare Part D more than their services did: $21,235 for 181 claims, against $4,022 paid for services in 2024. Astellas Pharma US Inc was the largest of 3 companies reporting payments in 2025, $59.43 in all, mostly food and beverage.
Overview
| NPI | 1891907119 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 7, 2007 |
| Last updated in NPPES | Mar 9, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 40957 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 68 across 13 procedure codes |
| Paid by Medicare | $4,022 |
Part D prescriptions in 2024
| Prescriptions (claims) | 181 · 267 30-day fills |
|---|---|
| Patients | 37 |
| Total drug cost | $21,235 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Industry payments (Open Payments)
- 2025$59.43 · 3 payments from 3 companies
- 2024$151.99 · 7 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $26.24 | 1 |
| Integra Lifesciences Corporation | $18.99 | 1 |
| Novo Nordisk Inc | $14.20 | 1 |
What the 2025 payments were for
- Food and Beverage$59.43 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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