Individual provider Active NPI

Natasha Renae Braun Spiezia, MD

  • Obstetrics & Gynecology Physician
  • Rockford, IL
National Provider Identifier
1437729217
Registry record updated Nov 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
036176101 Issued in IL
Practice address
3505 N Bell School Rd
Rockford, IL 61114-6624
Phone
(779) 696-0300
NPI assigned
Jun 25, 2021
Last updated
Nov 17, 2025By the provider in NPPES
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 17, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Obstetrics & Gynecology Physician 207V00000X 036176101 IL Primary

Addresses

Primary practice location

3505 N Bell School Rd
Rockford, IL 61114-6624

Mailing address

615 S New Ballas Rd Ste 2009B
Saint Louis, MO 63141-8221
Phone (314) 251-6062

Other practice location 1

615 S New Ballas Rd
Saint Louis, MO 63141-8221
Phone (314) 251-6062

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
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
I20250903000406 IL Practitioner - Obstetrics/Gynecology 9133521289 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Swedishamerican HospitalGroup PAC ID 5799698346, 386 clinicians

Practice addresses (Care Compare)

3505 N Bell School Rd
Rockford, IL 61114-6624
Phone (779) 696-0300

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036176101ILMDObstetrics & Gynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Swedishamerican Hospital CurrentSince Aug 22, 2025 Accepting new patients
Swedishamerican Hospital CurrentSince Aug 22, 2025 Accepting new patients
Swedishamerican Hospital Current Accepting new patients

Locations

2550 Charles St
Rockford, IL 61108
Phone (779) 696-7285

3505 N Bell School Rd
Rockford, IL 61114
Phone (779) 696-0300

6824 Newburg Rd
Rockford, IL 61108
Phone (779) 696-7610

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1624579200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763337600000",
    "number": "1437729217",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "615 S NEW BALLAS RD STE 2009B",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631418221",
            "telephone_number": "314-251-6062",
            "fax_number": "314-251-4376"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3505 N BELL SCHOOL RD",
            "city": "ROCKFORD",
            "state": "IL",
            "postal_code": "611146624",
            "telephone_number": "779-696-0300"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "615 S New Ballas Rd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631418221",
            "country_code": "US",
            "telephone_number": "314-251-6062",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SPIEZIA",
        "first_name": "NATASHA",
        "middle_name": "RENAE BRAUN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-06-25",
        "last_updated": "2025-11-17",
        "certification_date": "2025-11-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "IL",
            "license": "036176101",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Rockford, IL

Sources for this page

Verify at the official NPI Registry.