Individual provider Active NPI

John S Sims Jr., CRNA

  • Certified Registered Nurse Anesthetist
  • Little Rock, AR
National Provider Identifier
1619233475
Registry record updated Jun 13, 2024
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
CO2920 Issued in AR
Practice address
251 Dawson Springs Rd
Little Rock, AR 72210-5544
Phone
(501) 681-9771
NPI assigned
Apr 5, 2012
Last updated
Jun 13, 2024By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jun 13, 2024

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 209.009611 IL
Certified Registered Nurse Anesthetist 367500000X CO2920 AR Primary

Addresses

Primary practice location

251 Dawson Springs Rd
Little Rock, AR 72210-5544

Mailing address

251 Dawson Springs Rd
Little Rock, AR 72210-5544
Phone (501) 681-9771

Other practice location 1

216 14th Ave SW
Sidney, MT 59270-3519
Phone (406) 488-2100

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AR, TX, OK, KY, KS, IN, MT, CO, ND, NM10 enrollments

Enrollment records 10

Enrollment IDStateProvider typePAC IDDetails
I20170105001923 AR Practitioner - Certified Registered Nurse Anesthetist (Crna) 7214193218 Reassigns benefits to 1 organization
I20170209000746 TX Practitioner - Certified Registered Nurse Anesthetist (Crna) 7214193218 Reassigns benefits to 1 organization
I20171117000166 OK Practitioner - Certified Registered Nurse Anesthetist (Crna) 7214193218 Reassigns benefits to 1 organization
I20180327002379 KY Practitioner - Certified Registered Nurse Anesthetist (Crna) 7214193218 Reassigns benefits to 1 organization
I20211208000815 KS Practitioner - Certified Registered Nurse Anesthetist (Crna) 7214193218 Reassigns benefits to 3 organizations
I20231005000905 IN Practitioner - Certified Registered Nurse Anesthetist (Crna) 7214193218 Reassigns benefits to 1 organization
I20240729001391 MT Practitioner - Certified Registered Nurse Anesthetist (Crna) 7214193218 Reassigns benefits to 2 organizations
I20240930002278 CO Practitioner - Certified Registered Nurse Anesthetist (Crna) 7214193218 Reassigns benefits to 1 organization
I20250801001117 ND Practitioner - Certified Registered Nurse Anesthetist (Crna) 7214193218 Reassigns benefits to 1 organization
I20251110003639 NM Practitioner - Certified Registered Nurse Anesthetist (Crna) 7214193218 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Netherlands Anesthesia, LLCGroup PAC ID 8123433588, 41 clinicians
Emergenchealth PLLCGroup PAC ID 1355606641, 1,037 clinicians
Clinical Colleagues KS PAGroup PAC ID 3870921984, 44 clinicians

Practice addresses (Care Compare)

104 Legion Dr
Las Vegas, NM 87701-4804
Phone (505) 426-3500

1601 W 11TH PL
Big Spring, TX 79720-4114
Phone (432) 263-1211

200 Commodore St
Pratt, KS 67124-2903
Phone (620) 450-1335

6001 SW 6TH Ave
100 Tallgrass Ambulatory Center
Topeka, KS 66615-1011
Phone (918) 225-2915

629 S Plummer Ave
Chanute, KS 66720-1928
Phone (850) 985-9180

7400 Barlite Blvd
San Antonio, TX 78224-1308
Phone (210) 921-2000

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
CO2920ARMDCertified Registered Nurse Anesthetist
209.009611ILMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Anesthesia of Enid LLC CurrentSince Nov 1, 2017 Accepting new patients
Sidney Health Center Current Accepting new patients
Sidney Health Center Current Accepting new patients
Emergenchealth PLLC Nurse Anesthetist, Certified Registered CurrentSince Sep 2, 2025 Accepting new patients
Sidney Health Center CurrentSince Jul 29, 2024 Accepting new patients
Clinical Colleagues KS PA Nurse Anesthetist, Certified Registered CurrentSince May 13, 2024 Accepting new patients
Sidney Health Center CurrentSince Jul 29, 2024 Accepting new patients
Mercy Medical Center Nurse Anesthetist, Certified Registered CurrentSince Jul 21, 2025 Accepting new patients
Lifelinc Anesthesia, PLLC Nurse Anesthetist, Certified Registered CurrentSince Aug 13, 2018 Accepting new patients
Mercy Medical Center Current Accepting new patients
US Anesthesia Partners of Kansas PA Nurse Anesthetist, Certified Registered CurrentSince Oct 18, 2021 Accepting new patients
Mercy Home Care CurrentSince Jul 21, 2025 Accepting new patients
Western Oklahoma Anesthesia Consultants PLLC CurrentSince Dec 1, 2020 Accepting new patients
Youngs Professional Services LLC Nurse Anesthetist, Certified Registered CurrentSince May 26, 2020 Accepting new patients
Netherlands Anesthesia, LLC CurrentSince Nov 13, 2025 Accepting new patients
Clinical Colleagues LLC Nurse Anesthetist, Certified Registered CurrentSince Sep 5, 2023 Accepting new patients
Brigham Anesthesia South LLC PastSince Jun 1, 2004 Accepting new patients

Locations (25 of 29)

700 W Grove St
El Dorado, AR 71730
Phone (870) 863-2200

1000 Lincoln St
Fort Morgan, CO 80701
Phone (970) 542-3320

3369 Solutions Ctr
Chicago, IL 60677

1260 E State Road 205
Columbia City, IN 46725
Phone (260) 248-9000

1101 Michigan Ave
Logansport, IN 46947
Phone (574) 753-1475

629 S Plummer Ave
Chanute, KS 66720
Phone (316) 431-4000

3001 Avenue A
Dodge City, KS 67801
Phone (620) 225-8400

401 E Spruce St
Garden City, KS 67846
Phone (620) 272-2222

6001 SW 6th Ave
Ste 100
Topeka, KS 66615
Phone (785) 272-8807

425 Centre View Blvd
Crestview Hills, KY 41017
Phone (859) 341-3575

100 Medical Center Dr
Princeton, KY 42445
Phone (270) 365-0300

214 14th Ave SW
Sidney, MT 59270
Phone (406) 488-2100

216 14th Ave SW
Sidney, MT 59270
Phone (406) 488-2100

1301 15th Ave W
Williston, ND 58801
Phone (701) 774-7400

1 Stiles Rd
Ste 301
Salem, NH 03079

601 Martin Luther King Ave NE
Albuquerque, NM 87102
Phone (505) 727-8040

104 Legion Dr
Las Vegas, NM 87701
Phone (505) 426-3500

600 S Monroe St
Enid, OK 73701
Phone (580) 233-2300

1 E Clark Bass Blvd
McAlester, OK 74501
Phone (918) 421-6941

3701 E Main St
Weatherford, OK 73096
Phone (580) 772-5551

900 17th St
Woodward, OK 73801
Phone (405) 610-4411

3340 Players Club Pkwy
Ste 350
Memphis, TN 38125
Phone (901) 207-2017

14425 Falcon Head Blvd
#11
Austin, TX 78738
Phone (512) 900-1006

3080 College St
#T
Beaumont, TX 77701
Phone (409) 212-5002

6949 Bryant Irvin Rd
Ste 110
Ft Worth, TX 76132
Phone (817) 332-1818

Organizations & group practices 17

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 17

Hospital & facility affiliations 7

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

NPI Registry JSON

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

{
    "created_epoch": "1333584000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1718236800000",
    "number": "1619233475",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "251 DAWSON SPRINGS RD",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722105544",
            "telephone_number": "501-681-9771"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "251 DAWSON SPRINGS RD",
            "city": "LITTLE ROCK",
            "state": "AR",
            "postal_code": "722105544",
            "telephone_number": "501-681-9771"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "216 14th Ave SW",
            "address_purpose": "LOCATION",
            "city": "Sidney",
            "state": "MT",
            "postal_code": "592703519",
            "country_code": "US",
            "telephone_number": "406-488-2100",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIMS",
        "first_name": "JOHN",
        "middle_name": "S",
        "name_prefix": "Mr.",
        "name_suffix": "Jr.",
        "credential": "CRNA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-04-05",
        "last_updated": "2024-06-13",
        "certification_date": "2024-06-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "IL",
            "license": "209.009611",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "AR",
            "license": "CO2920",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Little Rock, AR

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 13, 2024; 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.