Portia Siwawa, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

82971 Issued in GA

Practice address

1301 Sigman Rd NE Ste 200
Conyers, GA 30012-3819

Phone

(678) 806-3340

NPI assigned

May 22, 2011

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in GA

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

Specialty

General Surgery

Education

Other, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Southern Regional Physicians Management Group, LLCGroup PAC ID 9032491956, 27 clinicians

Piedmont Providers LLCGroup PAC ID 9830082825, 526 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Southern Regional Medical Center Hospital, Riverdale, GA, CCN 110165
• Piedmont Rockdale Hospital Hospital, Conyers, GA, CCN 110091

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: psiwawa@direct.southernregional.org

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.

• Piedmont Providers LLC

  • Internal Medicine Physician
  • Jasper, GA
  • NPI 1548273592
  Medicare reassignment Care Compare group NPD
• Southern Regional Physicians Management Group, LLC

  • Surgery Physician
  • Riverdale, GA
  • NPI 1043677271
  Medicare reassignment Care Compare group

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Piedmont Rockdale Hospital Inc.

  • General Acute Care Hospital
  • Conyers, GA
  • NPI 1306355680
  Care Compare affiliation
• Prime Healthcare Foundation - Southern Regional, LLC

  • General Acute Care Hospital
  • Riverdale, GA
  • NPI 1154795581
  Care Compare affiliation

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

{
    "created_epoch": "1306022400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770336000000",
    "number": "1215220488",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1301 SIGMAN RD NE STE 200",
            "city": "CONYERS",
            "state": "GA",
            "postal_code": "300123819",
            "telephone_number": "678-806-3340"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1301 SIGMAN RD NE STE 200",
            "city": "CONYERS",
            "state": "GA",
            "postal_code": "300123819",
            "telephone_number": "678-806-3340"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIWAWA",
        "first_name": "PORTIA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2011-05-22",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "GA",
            "license": "82971",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Richard S Singer, DDS
• Micko S Singh-Anderson, FNP
• Kimberly A Singh, MD
• Tenniel Singleton-Thomas
• Rasheed Singleton, MD
• Kaitlin Skates
• Sky Life EMS Inc
• Douglas Robert Slavin, PH.D.
• Sleep Studies Inc
• Alan Michael Slutsky, R.PH

• Surgery Physician in Conyers, GA
• Providers in Conyers, GA by specialty
• Surgery Physician in Georgia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.