Individual provider Active NPI

Gary Wayne Seifert, APRN NP-C

  • Family Nurse Practitioner
  • Denver, CO
National Provider Identifier
1871164798
Registry record updated Jul 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
APN1001433NP Issued in CO
Practice address
11590 Black Forest Rd
Ste 10
Denver, CO 80203-1859
Phone
(719) 629-7988
Fax
(719) 212-8795
NPI assigned
Jul 2, 2021
Last updated
Jul 10, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 10, 2026

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

Specialties & licenses 11

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X APRN11030808 FL
Family Nurse Practitioner 363LF0000X 1046231 TX
Family Nurse Practitioner 363LF0000X F359423-01 NY
Family Nurse Practitioner 363LF0000X 90028 NM
Family Nurse Practitioner 363LF0000X 243741 AK
Family Nurse Practitioner 363LF0000X SP032410 PA
Family Nurse Practitioner 363LF0000X APN1001433NP CO Primary
Family Nurse Practitioner 363LF0000X 14282604-4405 UT
Family Nurse Practitioner 363LF0000X 0024197768 VA
Family Nurse Practitioner 363LF0000X 228413 OK
Family Nurse Practitioner 363LF0000X APTP.N3.70145018 WA

Addresses

Primary practice location

11590 Black Forest Rd
Ste 10
Denver, CO 80203-1859

Mailing address

11590 Black Forest Rd Ste 10
Colorado Springs, CO 80908-6000
Phone (719) 629-7988

Other practice location 1

5900 Balcones Dr Ste 100
Austin, TX 78731-4298
Phone (719) 629-7988

Other practice location 2

7533 S Center View Ct Ste 5975
West Jordan, UT 84084-5526
Phone (719) 629-7988

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX, CO2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20211101001209 TX Practitioner - Nurse Practitioner 6406254499 Reassigns benefits to 2 organizations
I20250129001753 CO Practitioner - Nurse Practitioner 6406254499 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

11600 W 2ND PL
Lakewood, CO 80228-1527
Phone (720) 321-4161

2222 N Nevada Ave
Colorado Springs, CO 80907-6794
Phone (719) 776-5333

6001 E Woodman Rd
Colorado Springs, CO 80923-2601
Phone (719) 571-1476

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
APN1001433NPCOMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Usacs Community Emergency Services of Colorado, Inc. CurrentSince Jan 1, 2025 Accepting new patients
Usacs Community Emergency Services of Colorado, Inc. Current Accepting new patients
Northeast Texas Emergency Physicians, PLLC CurrentSince Sep 1, 2024 Accepting new patients
Usacs Observation Medicine Services of Colorado Inc. CurrentSince Jan 12, 2025 Accepting new patients
Usacs Observation Medicine Services of Colorado Inc. Current Accepting new patients
Usacs Observation Medicine Services of Colorado Inc. CurrentSince Jan 12, 2025 Accepting new patients
Usacs of Colorado Inc CurrentSince Jan 12, 2025 Accepting new patients
Usacs of Colorado, Inc Current Accepting new patients
Usacs Community Emergency Services of Colorado, Inc. CurrentSince Jan 1, 2025 Accepting new patients
Texarkana Emergency Physicians PLLC CurrentSince Sep 26, 2021 Accepting new patients
Usacs of Colorado Inc CurrentSince Jan 12, 2025 Accepting new patients
Onhealth, PLLC Family CurrentSince Mar 1, 2024 Accepting new patients

Locations

11590 Black Forest Rd
Ste 10
Colorado Springs, CO 80908
Phone (719) 629-7988

7000 E Hampden Ave
Denver, CO 80224
Phone (330) 925-4199

11600 W 2nd Pl
Lakewood, CO 80228
Phone (720) 321-1010

7700 S Broadway
Littleton, CO 80122
Phone (303) 269-4786

1007 S William St
Atlanta, TX 75551
Phone (903) 614-2000

700 E Marshall Ave
Longview, TX 75601
Phone (903) 236-2000

115 Airport Rd
Sulphur Springs, TX 75482
Phone (903) 439-4052

1000 Pine St
Texarkana, TX 75501
Phone (903) 798-7365

Organizations & group practices 12

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.

Hospital & facility affiliations 2

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": "1625184000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1871164798",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11590 BLACK FOREST RD STE 10",
            "city": "COLORADO SPRINGS",
            "state": "CO",
            "postal_code": "809086000",
            "telephone_number": "719-629-7988",
            "fax_number": "719-212-8795"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11590 BLACK FOREST RD",
            "address_2": "STE 10",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802031859",
            "telephone_number": "719-629-7988",
            "fax_number": "719-212-8795"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5900 Balcones Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Austin",
            "state": "TX",
            "postal_code": "787314298",
            "country_code": "US",
            "telephone_number": "719-629-7988",
            "fax_number": "719-212-8795",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7533 S Center View Ct Ste 5975",
            "address_purpose": "LOCATION",
            "city": "West Jordan",
            "state": "UT",
            "postal_code": "840845526",
            "country_code": "US",
            "telephone_number": "719-629-7988",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEIFERT",
        "first_name": "GARY",
        "middle_name": "WAYNE",
        "credential": "APRN NP-C",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-07-02",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "FL",
            "license": "APRN11030808",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TX",
            "license": "1046231",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "F359423-01",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NM",
            "license": "90028",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "AK",
            "license": "243741",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "PA",
            "license": "SP032410",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CO",
            "license": "APN1001433NP",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "UT",
            "license": "14282604-4405",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "VA",
            "license": "0024197768",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OK",
            "license": "228413",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "WA",
            "license": "APTP.N3.70145018",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

Verify at the official NPI Registry.