Allison P. Warren, M.D.
NPI 1548592447ActiveIndividual· Obstetrics & Gynecology· Huntsville, AL
Obstetrics & Gynecology (M.D.) in Huntsville, Alabama, trained at University of Alabama School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $7,697 for 59 claims, against $1,107 paid for services in 2024. Sage Therapeutics, LLC was the largest of 10 companies reporting payments in 2025, $427.20 in all, mostly food and beverage.
Overview
| NPI | 1548592447 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 3, 2010 |
| Last updated in NPPES | May 24, 2022 |
| Certified by provider | May 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 34697 | AL |
| Obstetrics & Gynecology | 207V00000X | 156920 | NC |
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 (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 21 across 7 procedure codes |
| Paid by Medicare | $1,107 |
Part D prescriptions in 2024
| Prescriptions (claims) | 59 · 97 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $7,697 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Alabama School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Decatur Women's HealthcareDecatur, AL · 10 clinicians
Hospital affiliation
- Decatur Morgan Hospital - Decatur CampusDecatur, AL
Industry payments (Open Payments)
- 2025$427.20 · 24 payments from 10 companies
- 2024$251.69 · 11 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sage Therapeutics, LLC | $148.82 | 8 |
| Boston Scientific Corporation | $69.63 | 2 |
| Supernus Pharmaceuticals, Inc. | $45.40 | 2 |
| Shield Therapeutics Inc | $36.36 | 2 |
| Mayne Pharma Commercial LLC | $34.64 | 5 |
What the 2025 payments were for
- Food and Beverage$427.20 · 24 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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