Individual provider Active NPI

John Mark Chauncey, M.D.

  • Emergency Medicine Physician
  • Temple, TX
National Provider Identifier
1093194292
Registry record updated May 25, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
BP20065386 Issued in TX
Practice address
2401 S 31St St
Temple, TX 76508-0001
Phone
(806) 577-0999
NPI assigned
May 21, 2015
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 25, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X 594023 TX
Emergency Medicine PhysicianGroup: 193400000X SINGLE SPECIALTY GROUP 207P00000X BP20065386 TX Primary

Addresses

Primary practice location

2401 S 31St St
Temple, TX 76508-0001

Mailing address

John Mark Chauncey Ms -11-Ag062 2401 S 31St St
Temple, TX 76508-0001
Phone (068) 577-0999

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20210901002665 TX Practitioner - Emergency Medicine 0042591265 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Texas Tech University Health Science Center School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Ess of Nacogdoches LLCGroup PAC ID 3375821630, 27 clinicians
Travis County Emergency Physicians PAGroup PAC ID 0840289468, 289 clinicians
Northeast Texas Emergency Physicians PLLCGroup PAC ID 8527420306, 195 clinicians

Practice addresses (Care Compare)

1204 N Mound St
Nacogdoches, TX 75961-4027
Phone (936) 564-4611

5100 Loop 500
Center, TX 75935-9751
Phone (936) 657-3030

800 E Dawson St
Tyler, TX 75701-2036
Phone (903) 593-8441

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
BP20065386TXMDEmergency Medicine Physician
594023TXMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Ess of Nacogdoches LLC Single Specialty CurrentSince Oct 15, 2025 Accepting new patients
Mother Frances Hospital Jacksonville Single Specialty CurrentSince Jul 12, 2021 Accepting new patients
Travis County Emergency Physicians PA Single Specialty CurrentSince Feb 27, 2026 Accepting new patients
Northeast Texas Emergency Physicians, PLLC Single Specialty CurrentSince Oct 1, 2023 Accepting new patients
Mother Frances Hospital Regional Health Care Center Single Specialty CurrentSince Jul 12, 2021 Accepting new patients

Locations

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

5100 Loop 500 E
Center, TX 75935
Phone (936) 568-3450

2026 S Jackson St
Jacksonville, TX 75766
Phone (903) 541-4500

1204 N Mound St
Nacogdoches, TX 75961
Phone (936) 564-4611

4920 NE Stallings Dr
Nacogdoches, TX 75965
Phone (936) 568-3441

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

800 E Dawson St
Tyler, TX 75701
Phone (903) 531-5018

Organizations & group practices 5

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

Hospital & facility affiliations 4

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": "1432166400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1621900800000",
    "number": "1093194292",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "JOHN MARK CHAUNCEY MS -11-AG062 2401 S 31ST ST",
            "city": "TEMPLE",
            "state": "TX",
            "postal_code": "765080001",
            "telephone_number": "068-577-0999"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2401 S 31ST ST",
            "city": "TEMPLE",
            "state": "TX",
            "postal_code": "765080001",
            "telephone_number": "806-577-0999"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHAUNCEY",
        "first_name": "JOHN",
        "middle_name": "MARK",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-05-21",
        "last_updated": "2021-05-25",
        "certification_date": "2021-05-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "TX",
            "license": "594023",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Emergency Medicine",
            "state": "TX",
            "license": "BP20065386",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Temple, TX

Sources for this page

Verify at the official NPI Registry.