NPIMap

Individual provider Active NPI

David N Johnston Jr., CRNA

  • Certified Registered Nurse Anesthetist
  • Gulfport, MS
National Provider Identifier
1417400896
Registry record updated Jul 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
42573 Issued in TN
Practice address
15190 Community Rd
Gulfport, MS 39503-3485
Phone
(228) 831-0204
Fax
(228) 831-1868
NPI assigned
Aug 2, 2016
Last updated
Jul 21, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 21, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X R901362 MS
Certified Registered Nurse Anesthetist 367500000X 42573 TN Primary

Addresses

Primary practice location

15190 Community Rd
Gulfport, MS 39503-3485

Mailing address

12146 Dedeaux Rd
Gulfport, MS 39503-5909
Phone (228) 284-9442

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MS, AL2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20160913000073 MS Practitioner - Certified Registered Nurse Anesthetist (Crna) 5193011427 Reassigns benefits to 8 organizations
I20240814002973 AL Practitioner - Certified Registered Nurse Anesthetist (Crna) 5193011427 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
USA Health Anesthesia Billing Services LLCGroup PAC ID 1153659123, 160 clinicians
Etas PLLCGroup PAC ID 8123481934, 43 clinicians

Practice addresses (Care Compare)

2451 Fillingim St
Mobile, AL 36617-2238
Phone (251) 471-7000

4500 13TH St
Gulfport, MS 39501-2515
Phone (228) 867-4000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
R901362MSMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Singing River Health System CurrentSince Apr 1, 2019 Accepting new patients
Memorial Hospital at Gulfport Current Accepting new patients
Singing River Gulfport CurrentSince Aug 10, 2021 Accepting new patients
Seahorse Anesthesia CurrentSince Apr 1, 2025 Accepting new patients
USA Health Anesthesia Billing Services, LLC Nurse Anesthetist, Certified Registered CurrentSince Aug 1, 2024 Accepting new patients
Etas, PLLC CurrentSince Jan 19, 2026 Accepting new patients
Singing River Health System CurrentSince Oct 13, 2022 Accepting new patients
Singing River Gulfport CurrentSince Jan 1, 2023 Accepting new patients
Singing River Gulfport CurrentSince Aug 10, 2021 Accepting new patients
Gulfport Outpatient Anesthesia, P.a. PastSince Jul 4, 2016 Accepting new patients
Seahorse Anesthesia LLC PastSince Dec 8, 2024 Accepting new patients

Locations

1700 Center St
Mobile, AL 36604
Phone (251) 415-1000

2451 Fillingim St
Mobile, AL 36617
Phone (251) 434-3711

15190 Community Rd
Ste 230A
Gulfport, MS 39503
Phone (228) 831-0204

15200 Community Rd
Gulfport, MS 39503
Phone (228) 575-7000

350 Cowan Rd
Gulfport, MS 39507
Phone (228) 206-7054

4500 13th St
Fl 2
Gulfport, MS 39501
Phone (228) 867-3152

3109 Bienville Blvd
Ocean Springs, MS 39564
Phone (228) 818-1100

2809 Denny Ave
Pascagoula, MS 39581
Phone (228) 809-5000

Organizations & group practices 13

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 13

Hospital & facility affiliations 60

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 60

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1470096000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784592000000",
    "number": "1417400896",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12146 DEDEAUX RD",
            "city": "GULFPORT",
            "state": "MS",
            "postal_code": "395035909",
            "telephone_number": "228-284-9442",
            "fax_number": "228-831-1868"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "15190 COMMUNITY RD",
            "city": "GULFPORT",
            "state": "MS",
            "postal_code": "395033485",
            "telephone_number": "228-831-0204",
            "fax_number": "228-831-1868"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSTON",
        "first_name": "DAVID",
        "middle_name": "N",
        "name_suffix": "Jr.",
        "credential": "CRNA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-08-02",
        "last_updated": "2026-07-21",
        "certification_date": "2026-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "MS",
            "license": "R901362",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "TN",
            "license": "42573",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Gulfport, MS

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.