Organization Active NPI

Magella Medical Associates Billing, Inc.

Doing business as Magella Medical Associates

  • Neonatal-Perinatal Medicine Physician
  • Round Rock, TX
National Provider Identifier
1083631071
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X
Legal business name
MAGELLA MEDICAL ASSOCIATES BILLING, INC.
Doing business as
Magella Medical Associates
Practice address
2400 Round Rock Ave
Round Rock, TX 78681-4004
Phone
(512) 341-1000
NPI assigned
Jul 16, 2006
Last updated
Aug 25, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
PEDIATRIX MEDICAL SERVICESAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Authorized official

Name
Dr. Michael D Dwyer
Title
Assistant Secretary
Phone
(800) 243-3839

Specialties & licenses 7

Specialty (taxonomy)CodeLicenseStatePrimary
Maternal & Fetal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207VM0101X
Neonatal-Perinatal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2080N0001X Primary
Pediatric Neurodevelopmental Disabilities PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2080P0008X
Pediatric Cardiology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2080P0202X
Neurocritical Care PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2084A2900X
Diagnostic Radiology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 2085R0202X
Neonatal Nurse PractitionerGroup: 193200000X MULTI-SPECIALTY GROUP 363LN0000X

Addresses

Primary practice location

2400 Round Rock Ave
Round Rock, TX 78681-4004

Mailing address

1301 Concord Ter
Sunrise, FL 33323-2843
Phone (800) 243-3829

Other practice location 1

3001 E President George Bush Hwy
Suite 250
Richardson, TX 75082-3542
Phone (972) 437-5099 ext. 227

Other names 1

  • Magella Medical Associates Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20041115001144 TX Part B Supplier - Clinic/Group Practice 8729970215 Receives reassigned benefits from 459 practitioners

National Provider Directory

National Provider Directory
Part of
Pediatrix Medical Services Inc

Locations (25 of 119)

2497 S Roane St
Ste 100
Harriman, TN 37748

2261 Brookhollow Plaza Dr
Ste 209
Arlington, TX 76006
Phone (972) 258-7978

10401 Anderson Mill Rd
Austin, TX 78750
Phone (512) 250-5571

10401 Anderson Mill Rd
Ste 101B
Austin, TX 78750

1110 E 32nd St
Bldg 2
Austin, TX 78722

1111 W 34th St
Ste 300
Austin, TX 78705
Phone (512) 454-6753

3000 Ih 35 N
Ste 770
Austin, TX 78681
Phone (512) 482-8880

3000 N Interstate 35
Ste 770
Austin, TX 78705
Phone (512) 482-8880

3305 Northland Dr
Austin, TX 78731

4100 Duval Rd
Ste 201
Austin, TX 78759
Phone (512) 250-1005

4314 Medical Pkwy
Austin, TX 78756

4314 Medical Pkwy
Ste 200
Austin, TX 78756

4910 Mueller Blvd
Fl 1
Austin, TX 78723

5301 Davis Ln
Austin, TX 78749

6811 Austin Center Blvd
Ste 400
Austin, TX 78731
Phone (512) 628-1840

7940 Shoal Creek Blvd
Ste 100
Austin, TX 78757
Phone (512) 494-4000

801 W 34th St
Ste 100
Austin, TX 78705
Phone (512) 459-1131

9010 N Lake Creek Pkwy
Ste 205
Austin, TX 78717

301 Highway 71 W
Ste 111
Bastrop, TX 78602
Phone (512) 304-0318

1301 Medical Pkwy
Ste 320
Cedar Park, TX 78613
Phone (512) 260-7867

1401 Medical Pkwy
Ste B
Cedar Park, TX 78613

24510 Northwest Fwy
Ste 650
Cypress, TX 77429
Phone (346) 616-2777

11615 Forest Central Dr
Ste 100
Dallas, TX 75243

12200 Park Central Dr
Ste 400
Dallas, TX 75251
Phone (972) 991-5437

12655 N Central Expy
Dallas, TX 75243
Phone (214) 342-0425

Practitioners & affiliated clinicians

Practitioners 670

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 670

NPI Registry JSON

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

{
    "created_epoch": "1153008000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1787616000000",
    "number": "1083631071",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1301 CONCORD TER",
            "city": "SUNRISE",
            "state": "FL",
            "postal_code": "333232843",
            "telephone_number": "800-243-3829",
            "fax_number": "214-343-2814"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2400 ROUND ROCK AVE",
            "city": "ROUND ROCK",
            "state": "TX",
            "postal_code": "786814004",
            "telephone_number": "512-341-1000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3001 E President George Bush Hwy",
            "address_2": "Suite 250",
            "address_purpose": "LOCATION",
            "city": "Richardson",
            "state": "TX",
            "postal_code": "750823542",
            "country_code": "US",
            "telephone_number": "972-437-5099 x227",
            "fax_number": "214-343-2814",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "MAGELLA MEDICAL ASSOCIATES BILLING, INC.",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "PEDIATRIX MEDICAL SERVICES",
        "enumeration_date": "2006-07-16",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A",
        "authorized_official_last_name": "DWYER",
        "authorized_official_first_name": "MICHAEL",
        "authorized_official_middle_name": "D",
        "authorized_official_title_or_position": "ASSISTANT SECRETARY",
        "authorized_official_telephone_number": "800-243-3839",
        "authorized_official_name_prefix": "Dr."
    },
    "taxonomies": [
        {
            "code": "207VM0101X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2080N0001X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "2080P0008X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pediatrics, Neurodevelopmental Disabilities",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2084A2900X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychiatry & Neurology, Neurocritical Care",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiology, Diagnostic Radiology",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "363LN0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Neonatal",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Magella Medical Associates",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Magella Medical Associates",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Round Rock, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.