NPIMap

Individual provider Active NPI

Rhiannon Main, D.O.

  • Pediatric Emergency Medicine (Emergency Medicine) Physician
  • Houston, TX
National Provider Identifier
1497040984
Registry record updated Feb 7, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Emergency Medicine (Emergency Medicine) PhysicianTaxonomy code 207PP0204X
License
R4270 Issued in TX
Practice address
6701 Fannin St
Houston, TX 77030-2608
Phone
(832) 824-1000
NPI assigned
Jun 13, 2011
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 7, 2023

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 007336 AZ
Student in an Organized Health Care Education/Training Program 390200000X
Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X R4270 TX Primary

Addresses

Primary practice location

6701 Fannin St
Houston, TX 77030-2608

Mailing address

6701 Fannin St
Houston, TX 77030-2608
Phone (832) 824-1000

Other practice location 1

1111 E McDowell Rd
Phoenix, AZ 85006-2612
Phone (602) 839-2000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in AZ, TX, MO3 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20180625003453 AZ Practitioner - Emergency Medicine 8123348745 Reassigns benefits to 1 organization
I20240120000380 TX Practitioner - Emergency Medicine 8123348745 Reassigns benefits to 1 organization
I20250531000077 MO Practitioner - Emergency Medicine 8123348745 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Touro Un College of Osteopathic Medicine, Vallejo, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Green Country Emergency Physicians Group of Tulsa, PLLCGroup PAC ID 0345247052, 107 clinicians

Practice addresses (Care Compare)

100 Mercy Way
Mercy Clinic Emergency Medicine
Joplin, MO 64804-4524
Phone (417) 556-2300

Hospital & facility affiliations

  • Mercy Hospital Joplin Hospital, Joplin, MO, CCN 260001
  • Mercy Hospital Carthage Hospital, Carthage, MO, CCN 261338
  • Mercy Hospital Springfield Hospital, Springfield, MO, CCN 260065

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
007336AZMDEmergency Medicine Physician
R4270TXMDPediatric Emergency Medicine (Emergency Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Mercy Hospital Carthage Emergency Medicine CurrentSince May 1, 2025 Accepting new patients
Green Country Emergency Physicians Group of Tulsa PLLC Emergency Medicine CurrentSince Jul 19, 2025 Accepting new patients
Mercy Hospital Carthage CurrentSince May 1, 2025 Accepting new patients
Texas Children'S Physician Group CurrentSince Jan 8, 2024 Accepting new patients

Locations

3116 Medical Park Dr
Carthage, MO 64836
Phone (417) 358-7574

3125 Dr Russell Smith Way
Carthage, MO 64836
Phone (417) 358-8121

100 Mercy Way
Joplin, MO 64804
Phone (417) 556-2300

8611 N Mopac Expy
Austin, TX 78759
Phone (713) 816-1250

6701 Fannin St
Houston, TX 77030
Phone (832) 822-1764

1102 Bates Ave
#1450
Houston, TX 77030

Interoperability endpoints

  • Direct secure messaging: rmain439099@prddirect.texaschildrens.org

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 12

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": "1307923200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1675728000000",
    "number": "1497040984",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6701 FANNIN ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302608",
            "telephone_number": "832-824-1000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6701 FANNIN ST",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770302608",
            "telephone_number": "832-824-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1111 E McDowell Rd",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850062612",
            "country_code": "US",
            "telephone_number": "602-839-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MAIN",
        "first_name": "RHIANNON",
        "credential": "D.O.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2011-06-13",
        "last_updated": "2023-02-07",
        "certification_date": "2023-01-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AZ",
            "license": "007336",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207PP0204X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine, Pediatric Emergency Medicine",
            "state": "TX",
            "license": "R4270",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Houston, TX

Sources for this page

Verify at the official NPI Registry.