NPIMap

Organization Active NPI

Magella Medical Associates Billing, Inc.

  • 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.
Practice address
2400 Round Rock Ave
Round Rock, TX 78681-4004
Phone
(512) 341-1000
NPI assigned
Jul 16, 2006
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 identifiers 23

IdentifierTypeStateIssuer
0001JVOtherTXBCBS AUSTIN
0806424-02MedicaidTX
125998834MedicaidTX
1577629-01MedicaidTX
8549305OtherTXAETNA GROUP
0004DJOtherTXBCBS AUSTIN
0022EZOtherTXBCBS DALLAS MFM
003DJOtherTXBCBS SA
5108785OtherTXAETNA AUSTIN/SA GROUP #
081018601MedicaidTX
081018602MedicaidTX
1518920-01MedicaidTX
0096MWOtherTXBCBS CARDI
00R87ZOtherTXBCBS AUSTIN/SA CARDI GROUP
125998839MedicaidTX
0806457-01MedicaidTX
112890201MedicaidTX
1577256-01MedicaidTX
2151688OtherTXAETNA GROUP SA
0098JQOtherTXBCBS SA
0099JQOtherTXBCBS DALLAS
125998804MedicaidTX
173248901MedicaidTX

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

Locations (25 of 129)

60 Columbia St
Orlando, FL 32806
Phone (407) 515-2420

1501 Concord Ter FL 5
Sunrise, FL 33323

2497 S Roane St
Ste 100
Harriman, TN 37748

1101 Raintree Cir
Allen, TX 75013
Phone (214) 509-0029

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

4314 Medical Pkwy
Austin, TX 78756

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

4910 Mueller Blvd
Ste 102
Austin, TX 78723
Phone (512) 777-2917

10401 Anderson Mill Rd
Ste 101B
Austin, TX 78750

9010 N Lake Creek Pkwy
Ste 205
Austin, TX 78717

4910 Mueller Blvd
Fl 1
Austin, TX 78723

1015 E 32nd St
Ste 513
Austin, TX 78705
Phone (512) 341-6414

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

4207 James Casey St
Ste 302
Austin, TX 78745
Phone (512) 445-9000

3305 Northland Dr
Austin, TX 78731

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

5301 Davis Ln
Austin, TX 78749

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

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

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

801 W 34th St
Austin, TX 78705
Phone (512) 459-1111

1110 E 32nd St
Bldg 2
Austin, TX 78722

4314 Medical Pkwy
Ste 200
Austin, TX 78756

4900 Mueller Blvd
#2S
Austin, TX 78723
Phone (512) 324-3315

4910 Mueller Blvd
Austin, TX 78723
Phone (512) 324-0907

Practitioners & affiliated clinicians

Practitioners 675

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 675

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": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS AUSTIN",
            "identifier": "0001JV",
            "state": "TX"
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            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "0806424-02",
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        },
        {
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            "issuer": null,
            "identifier": "125998834",
            "state": "TX"
        },
        {
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            "issuer": null,
            "identifier": "1577629-01",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA GROUP",
            "identifier": "8549305",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS AUSTIN",
            "identifier": "0004DJ",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS DALLAS MFM",
            "identifier": "0022EZ",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS SA",
            "identifier": "003DJ",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA AUSTIN/SA GROUP #",
            "identifier": "5108785",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "081018601",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "081018602",
            "state": "TX"
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        {
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            "identifier": "1518920-01",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS CARDI",
            "identifier": "0096MW",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS AUSTIN/SA CARDI GROUP",
            "identifier": "00R87Z",
            "state": "TX"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "125998839",
            "state": "TX"
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        {
            "code": "05",
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            "state": "TX"
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        {
            "code": "01",
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            "issuer": "AETNA GROUP SA",
            "identifier": "2151688",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS SA",
            "identifier": "0098JQ",
            "state": "TX"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS DALLAS",
            "identifier": "0099JQ",
            "state": "TX"
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        {
            "code": "05",
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            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "173248901",
            "state": "TX"
        }
    ],
    "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.