JAMES SULLIVAN CRNA
NPI 1437523958
Nurse Anesthetist, Certified Registered in Gulfport, MS
About James Sullivan Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAMES SULLIVAN CRNA (NPI 1437523958) is an individual nurse anesthetist, certified registered in Gulfport, Mississippi, licensed in Mississippi (901358) and active in the NPI registry since November 2015. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital At Gulfport, and maintains a secondary practice location in Biloxi.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
James Sullivan Crna 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
8Medicare enrollment records show James Sullivan reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gulfport, MS 39501
- Reassigned Medicare billing, Mississippi enrollment
- 76 clinicians in this Medicare group
Gulfport, MS 39501
- Reassigned Medicare billing, Mississippi enrollment
- 731 clinicians in this Medicare group
Gulfport, MS 39503
- Reassigned Medicare billing, Mississippi enrollment
- Also billed through NPI 1780312504 (Mississippi)
- 298 clinicians in this Medicare group
Biloxi, MS 39530
- Reassigned Medicare billing, Mississippi enrollment
- 57 clinicians in this Medicare group
Ocean Springs, MS 39564
- Reassigned Medicare billing, Mississippi enrollment
- Also billed through NPI 1740918937 (Mississippi)
- 450 clinicians in this Medicare group
Mobile, AL 36617
- Reassigned Medicare billing, Alabama enrollment
- 267 clinicians in this Medicare group
New Iberia, LA 70560
- Reassigned Medicare billing, Louisiana enrollment
- 428 clinicians in this Medicare group
New Iberia, LA 70563
- Reassigned Medicare billing, Mississippi enrollment
- 54 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Hospital At Gulfport
Acute Care Hospitals · Gulfport, MSPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 39501 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.
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 James Sullivan's NPI number?
The NPI number for James Sullivan is 1437523958. It was assigned to this individual provider in the NPPES registry on November 20, 2015.
Where is James Sullivan located?
James Sullivan practices at 4500 13th St, Gulfport, MS 39501. The listed phone number is (228) 867-5000.
What is James Sullivan's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is James Sullivan enrolled in Medicare?
Yes. James Sullivan 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 James Sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), James Sullivan reassigns Medicare benefits to 8 organizations: Etas, PLLC (Gulfport, MS), Memorial Hospital At Gulfport (Gulfport, MS), Singing River Gulfport (Gulfport, MS), Best Anesthesia, PLLC (Biloxi, MS), Singing River Health System (Ocean Springs, MS) and 3 more organizations, listed in the Medicare section above. 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 James Sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does James Sullivan accept?
Health plans from Blue Cross and Blue Shield of Alabama, HMO Louisiana and Oscar Health Plan, Inc. list James Sullivan 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.
Is James Sullivan affiliated with any hospitals?
According to CMS data, James Sullivan is affiliated with Memorial Hospital At Gulfport.
When was this NPI record last updated?
The NPPES record for James Sullivan was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 45 days 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.
# James Sullivan, CRNA · NPI 1437523958
Nurse Anesthetist, Certified Registered physician in Gulfport, Mississippi. Individual provider, active in the CMS NPPES registry since November 20, 2015.
## Identity
- **NPI:** 1437523958 (Entity type: Individual)
- **Enumerated:** November 20, 2015
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 901358 (Mississippi)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4500 13TH ST, Gulfport, MS 39501-2515
- **Phone:** (228) 867-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Etas, PLLC (NPI 1679259360, Gulfport, MS); Memorial Hospital At Gulfport (NPI 1073606901, Gulfport, MS); Singing River Gulfport (NPI 1063133833, Gulfport, MS); Best Anesthesia, PLLC (NPI 1679286108, Biloxi, MS); Singing River Health System (NPI 1053528109, Ocean Springs, MS); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** September 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1437523958) · Data from the CMS NPPES public registry.