Portia Siwawa, MD
Surgery Physician · Conyers, GA
Portia Siwawa, MD is a surgery physician with a practice address in Conyers, Georgia, and NPI 1215220488, issued on May 22, 2011. Check the license (Georgia 82971, as entered in NPPES) on the Georgia Composite Medical Board; the Medicare figures below come from public CMS files.
- Name
- Portia Siwawa
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 82971 GA
Self-reported in NPPES; status is on the state search - Practice location
- 1301 Sigman RD NE Ste 200, Conyers, GA 30012
- Phone
- (678) 806-3340
- Enumerated
- May 22, 2011
- Record last updated
- Feb 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20190729003662); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 991 in Georgia → Look up another NPI →
Also registered at 1301 Sigman RD NE Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Yendi Gomes, NP-CAdult Health Nurse Practitioner1487089918
- Brett Walker, M.D.Surgical Oncology Physician1174918650
Verify Portia Siwawa in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersGeorgia Composite Medical Board
Search for license 82971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 2 group practices
- Piedmont Providers LLCAtlanta, GA
- Southern Regional Physicians Management Group, LLCRiverdale, GA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Portia Siwawa among 991 surgery physician records in Georgia
Portia Siwawa, MD is one of 991 surgery physician records with a practice address in Georgia. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 64% of them.
- NPI issued2011 · 64% of these records are older, 33% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2004 among the 611 with a school on file
- Record last updated2026 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Georgia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Georgia
There are 991 surgery physician records in Georgia.
All 991 in Georgia → Every provider in Conyers → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Nour Abboushi, M.D.Conyers, GA 300121831374453
- Shaoxu Bing, M.D.Conyers, GA 300121497287502
- Monica BishopConyers, GA 300121518833649
- Melinda Bottenfield, DOConyers, GA 300121992299713
- Gayla Dillard, M.D.Conyers, GA 300121649291659
- Andrew Harper, M.D.Conyers, GA 300121134129562
- Sang Lee, MDConyers, GA 300121245704600
- Donald Maynard, MDConyers, GA 300121194772749
Common questions
What is Portia Siwawa, MD's NPI number?
Portia Siwawa, MD's National Provider Identifier (NPI) is 1215220488, issued on May 22, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Portia Siwawa, MD located?
The NPPES record lists a practice address at 1301 Sigman RD NE Ste 200, Conyers, GA, 30012. Phone: (678) 806-3340. Providers update this record themselves, so call before visiting.
How can I verify Portia Siwawa, MD's license?
NPPES lists Georgia license number 82971, as entered by the provider. Search the Georgia Composite Medical Board at https://medicalboard.georgia.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.