Dr Portia Siwawa, MD - Medicare General Surgery in Conyers, GA

Dr Portia Siwawa, MD is a medicare enrolled "Surgery" physician in Conyers, Georgia. She graduated from medical school in 2005 and has 21 years of diverse experience with area of expertise as General Surgery. She is a member of the group practice Southern Regional Physicians Management Group, Llc and her current practice location is 1301 Sigman Rd Ne Ste 200, Conyers, Georgia. You can reach out to her office (for appointments etc.) via phone at (678) 806-3340.

Dr Portia Siwawa is licensed to practice in Georgia (license number 82971) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1215220488.

Contact Information

Dr Portia Siwawa, MD
1301 Sigman Rd Ne Ste 200,
Conyers, GA 30012-3819
(678) 806-3340
Not Available

Map and Direction




Physician's Profile

Full NameDr Portia Siwawa
GenderFemale
SpecialityGeneral Surgery
Experience21 Years
Location1301 Sigman Rd Ne Ste 200, Conyers, Georgia
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Portia Siwawa graduated from medical school in 2005
  NPI Data:
  • NPI Number: 1215220488
  • Provider Enumeration Date: 05/22/2011
  • Last Update Date: 02/06/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 4183895758
  • Enrollment ID: I20190729003662

Medical Identifiers

Medical identifiers for Dr Portia Siwawa such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215220488NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208600000XSurgery 82971 (Georgia)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Southern Regional Medical CenterRiverdale, GAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Southern Regional Physicians Management Group, Llc903249195622

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Portia Siwawa allows following entities to bill medicare on her behalf.
Entity NameSouthern Regional Physicians Management Group, Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1043677271
PECOS PAC ID: 9032491956
Enrollment ID: O20170127002483

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Portia Siwawa is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Portia Siwawa, MD
1301 Sigman Rd Ne Ste 200,
Conyers, GA 30012-3819

Ph: (678) 806-3340
Dr Portia Siwawa, MD
1301 Sigman Rd Ne Ste 200,
Conyers, GA 30012-3819

Ph: (678) 806-3340

Reviews and Comments


Surgery Doctors in Conyers, GA

Andrew S Harper, M.D.
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1364 Wellbrook Cir Ne, Conyers, GA 30012
Phone: 770-922-4024    Fax: 770-761-7179
Dr. Brett Walker, M.D.
Surgery
Medicare: Medicare Enrolled
Practice Location: 1301 Sigman Rd Ne Ste 200, Conyers, GA 30012
Phone: 678-806-3330    Fax: 404-609-5300
Donald Maynard, MD
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1612b Milstead Rd Ne, Conyers, GA 30012
Phone: 770-602-1292    Fax: 770-602-1296
Sang Wook Lee, MD
Surgery
Medicare: Accepting Medicare Assignments
Practice Location: 1301 Sigman Rd Ne Ste 180, Conyers, GA 30012
Phone: 770-922-4024    
George Isshak, M.D.
Surgery
Medicare: Not Enrolled in Medicare
Practice Location: 1372 Wellbrook Cir Ne, Conyers, GA 30012
Phone: 770-922-4024    Fax: 770-922-8143
Carol Angel, M.D.
Surgery
Medicare: Medicare Enrolled
Practice Location: 1301 Sigman Rd Ne Ste 190, Conyers, GA 30012
Phone: 678-806-3566    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.