DAVID N JOHNSTON JR. CRNA
NPI 1417400896
Nurse Anesthetist, Certified Registered in Gulfport, MS
About David N Johnston Jr. Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DAVID N JOHNSTON JR. CRNA (NPI 1417400896) is an individual nurse anesthetist, certified registered in Gulfport, Mississippi, licensed in Tennessee (42573) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS, is affiliated with Memorial Hospital At Gulfport, and is a graduate of Other (2015).
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
David N Johnston Jr. 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
7Medicare enrollment records show David Johnston reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Gulfport, MS 39503
- Reassigned Medicare billing, Mississippi enrollment
- Also billed through NPI 1780312504 (Mississippi)
- 298 clinicians in this Medicare group
Gulfport, MS 39503
- Reassigned Medicare billing, Mississippi enrollment
- 731 clinicians in this Medicare group
Gulfport, MS 39501
- Reassigned Medicare billing, Mississippi enrollment
- 76 clinicians in this Medicare group
Biloxi, MS 39531
- Reassigned Medicare billing, Mississippi enrollment
- 9 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
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 39503 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.
GULFPORT, MS 39503
GULFPORT, MS 39503
GULFPORT, MS 39503
GULFPORT, MS 39503
GULFPORT, MS 39503
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 David Johnston's NPI number?
The NPI number for David Johnston is 1417400896. It was assigned to this individual provider in the NPPES registry on August 2, 2016.
Where is David Johnston located?
David Johnston practices at 15190 Community Rd, Gulfport, MS 39503. The listed phone number is (228) 831-0204.
What is David Johnston's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is David Johnston enrolled in Medicare?
Yes. David Johnston 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 David Johnston's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Johnston reassigns Medicare benefits to 7 organizations: Singing River Gulfport (Gulfport, MS), Memorial Hospital At Gulfport (Gulfport, MS), Etas, PLLC (Gulfport, MS), Seahorse Anesthesia (Biloxi, MS), Best Anesthesia, PLLC (Biloxi, MS) and 2 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 David Johnston's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does David Johnston accept?
Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter of Alabama and Ambetter of Tennessee and 2 other insurers list David Johnston 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 David Johnston affiliated with any hospitals?
According to CMS data, David Johnston is affiliated with Memorial Hospital At Gulfport.
When was this NPI record last updated?
The NPPES record for David Johnston was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.
# David N Johnston Jr., CRNA · NPI 1417400896
Nurse Anesthetist, Certified Registered physician in Gulfport, Mississippi. Individual provider, active in the CMS NPPES registry since August 2, 2016.
## Identity
- **NPI:** 1417400896 (Entity type: Individual)
- **Enumerated:** August 2, 2016
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 42573 (Tennessee)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 15190 COMMUNITY RD, Gulfport, MS 39503-3485
- **Phone:** (228) 831-0204 · **Fax:** (228) 831-1868
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging
- **Bills Medicare through:** 7 organizations under Medicare reassignment (form CMS-855R): Singing River Gulfport (NPI 1861010159, Gulfport, MS); Memorial Hospital At Gulfport (NPI 1932122017, Gulfport, MS); Etas, PLLC (NPI 1679259360, Gulfport, MS); Seahorse Anesthesia (NPI 1588497705, Biloxi, MS); Best Anesthesia, PLLC (NPI 1679286108, Biloxi, MS); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 21, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1417400896) · Data from the CMS NPPES public registry.