DR. MELISSA W COSTELLO M.D., FACEP
NPI 1164434239
Emergency Medicine in Pascagoula, MS
About Dr. Melissa W Costello M.d., Facep NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MELISSA W COSTELLO M.D., FACEP (NPI 1164434239) is an individual emergency medicine provider in Pascagoula, Mississippi, licensed in Mississippi (20830) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Alabama School Of Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Melissa W Costello M.d., Facep is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Melissa Costello reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pascagoula, MS 39581
- Reassigned Medicare billing, Mississippi enrollment
- 450 clinicians in this Medicare group
Pascagoula, MS 39581
- Reassigned Medicare billing, Mississippi enrollment
- 54 clinicians in this Medicare group
Fairhope, AL 36532
- Reassigned Medicare billing, Alabama enrollment
- 131 clinicians in this Medicare group
Birmingham, AL 35205
- Reassigned Medicare billing, Alabama enrollment
- 646 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39581 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PASCAGOULA, MS 39581
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Melissa Costello's NPI number?
The NPI number for Melissa Costello is 1164434239. It was assigned to this individual provider in the NPPES registry on August 13, 2006.
Where is Melissa Costello located?
Melissa Costello practices at 2809 Denny Ave, Pascagoula, MS 39581. The listed phone number is (228) 809-5000.
What is Melissa Costello's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Melissa Costello enrolled in Medicare?
Yes. Melissa Costello is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Melissa Costello's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Costello reassigns Medicare benefits to 4 organizations: Singing River Health System (Pascagoula, MS), Emergency Room Group Ltd (Pascagoula, MS), Baldwin Emergency Physicians, P.C.. (Fairhope, AL) and Paragon Contracting Services LLC (Birmingham, AL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Melissa Costello's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa Costello accept?
Health plans from Blue Cross and Blue Shield of Alabama list Melissa Costello as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Melissa Costello was last updated on June 5, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Melissa W Costello, M.D., FACEP · NPI 1164434239
Emergency Medicine physician in Pascagoula, Mississippi. Individual provider, active in the CMS NPPES registry since August 13, 2006.
## Identity
- **NPI:** 1164434239 (Entity type: Individual)
- **Enumerated:** August 13, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 20830 (Mississippi)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2809 DENNY AVE, Pascagoula, MS 39581-5301
- **Phone:** (228) 809-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Singing River Health System (NPI 1033238456, Pascagoula, MS); Emergency Room Group Ltd (NPI 1093112039, Pascagoula, MS); Baldwin Emergency Physicians, P.C.. (NPI 1154378271, Fairhope, AL); Paragon Contracting Services LLC (NPI 1225071459, Birmingham, AL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Alabama School Of Medicine, class of 2000
## Record status
- **NPPES last updated:** June 5, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1164434239) · Data from the CMS NPPES public registry.