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DR. PORTIA SIWAWA MD
NPI 1215220488
Surgery in Conyers, GA

Active since May 22, 2011PECOS EnrolledAccepts Medicare Assignment
1301 SIGMAN RD NE STE 200, CONYERS, GA 30012(678) 806-3340 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 6, 2026, Jan 6, 2026, Mar 25, 2021 and 1 more (4 updates tracked since 2019).

About Dr. Portia Siwawa Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PORTIA SIWAWA MD (NPI 1215220488) is an individual surgery provider in Conyers, Georgia, licensed in Georgia (82971) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS, is affiliated with Southern Regional Medical Center, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1215220488
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. PORTIA SIWAWACredential: MD
Location Address1301 SIGMAN RD NE STE 200Conyers, GA 30012-3819
Mailing Address1301 Sigman Rd Ne Ste 200Conyers, GA 30012-3819 · (678) 806-3340
Phone(678) 806-3340
Sole ProprietorYes
Medical School CMSOtherGraduated 2005
Enumeration DateMay 22, 2011
Last NPPES UpdateFebruary 6, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2026
✔ NPI 1215220488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in GA · 82971
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
1301 SIGMAN RD NE STE 200, Conyers, GA 30012
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Portia Siwawa Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4183895758
PECOS Enrollment IDI20190729003662
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Southern Regional Medical Center

Acute Care Hospitals · Riverdale, GA
1/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number110165
Location11 Upper Riverdale Road, SWRiverdale, GA 30274 · Clayton County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30012 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$88.06 typical visit price
range $56.84 – $172.43
Typical copayment $22.01 (range $14.21 – $43.10)
Most-billed visit code 99203
Established Patient
$70.85 typical visit price
range $18.22 – $140.40
Typical copayment $17.71 (range $4.55 – $35.10)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. BRETT WALKER M.D.
Surgery (Surgical Oncology)
1301 SIGMAN RD NE STE 200
CONYERS, GA 30012
Rockdale County (678) 806-3330
YENDI NANCY GOMES NP-C
Nurse Practitioner (Adult Health)
1301 SIGMAN RD NE STE 200
CONYERS, GA 30012
Rockdale County (770) 483-9330

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Portia Siwawa's NPI number?

The NPI number for Portia Siwawa is 1215220488. It was assigned to this individual provider in the NPPES registry on May 22, 2011.

Where is Portia Siwawa located?

Portia Siwawa practices at 1301 Sigman Rd NE Ste 200, Conyers, GA 30012. The listed phone number is (678) 806-3340.

What is Portia Siwawa's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Portia Siwawa enrolled in Medicare?

Yes. Portia Siwawa is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Portia Siwawa affiliated with any hospitals?

According to CMS data, Portia Siwawa is affiliated with Southern Regional Medical Center.

When was this NPI record last updated?

The NPPES record for Portia Siwawa was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.