Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Obstetrics/Gynecology

Allison P. Warren, MD

Works at hospitals in Decatur, AL · Alabama

Summary

Allison P. Warren, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in Decatur, AL. NPI 1548592447. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Allison P. Warren, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
17Years since medical school (graduated 2009)
University Of Alabama School Of MedicineMedical school
FemaleGender (as listed)
Decatur Women's HealthcareGroup practice

Quick answers

Which hospitals does Allison P. Warren work at?
Medicare's official clinician data lists Allison P. Warren at 1 hospital: Decatur Morgan Hospital - Decatur Campus. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Allison P. Warren see patients?
Medicare's clinician data lists 1 practice location in Decatur, AL. Call before your visit to confirm the address.
What is Allison P. Warren's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Allison P. Warren accept Medicare assignment?
Yes. Medicare's clinician data says Allison P. Warren accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Allison P. Warren?
(256) 355-9216, as listed in official Medicare / NPI Registry data.
What is Allison P. Warren's NPI number?
1548592447. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Allison P. Warren works

Medicare's Facility Affiliation Data lists Allison P. Warren at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Allison P. Warren is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Allison P. Warren as a member of this group (CMS data updated 2026-10-02).

  • Decatur Women's Healthcare10 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Alabama →

Other OB-GYNs in Decatur

Clinicians with the same Medicare primary specialty in Decatur, AL — not a recommendation.

All OB-GYNs in Decatur →

Clinician information

CredentialMD
Medical schoolUniversity Of Alabama School Of Medicine
Graduation year2009
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1548592447
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians