Quick answers
- Which hospitals does Melissa Costello work at?
- Medicare's official clinician data lists Melissa Costello at 1 hospital: Mobile Infirmary Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Melissa Costello see patients?
- Medicare's clinician data lists 2 practice locations, including Mobile, AL and Fairhope, AL. Call before your visit to confirm the address.
- What is Melissa Costello's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Melissa Costello accept Medicare assignment?
- Yes. Medicare's clinician data says Melissa Costello 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 Melissa Costello?
- (251) 435-2400, as listed in official Medicare / NPI Registry data.
- What is Melissa Costello's NPI number?
- 1164434239. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Melissa Costello works
Medicare's Facility Affiliation Data lists Melissa Costello at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Mobile Infirmary Medical CenterMobile, AL · Acute Care Hospital · CCN 010113
Practice locations
Addresses where Melissa Costello is enrolled with Medicare (CMS data updated 2026-10-02).
- 5 Mobile Infirmary CirMobile, AL 36607 (251) 435‑2400
- 750 Morphy AveFairhope, AL 36532 (251) 928‑2375
Group practices
Medicare enrollment lists Melissa Costello as a member of this group (CMS data updated 2026-10-02).
- Baldwin Emergency Physicians, P.C..48 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Mobile
Clinicians with the same Medicare primary specialty in Mobile, AL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Alabama School Of Medicine |
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164434239 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians