Doctor profile · Federal record

Dr. Sibyl Duncan, M.D.

Family Medicine Physician (CMS: Family Practice) · Lithonia, GA

  • NPI 1912238023
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6000 Hillandale Dr Ste 100
Lithonia, GA 30058
(678) 418-1964
fax (404) 592-2042

Credentials & registration

NPPES · NUCC
NPI registered
January 2010 — 16 yrs on file
Profile last updated
November 6, 2023
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Georgia #79439

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912238023. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
208
Distinct HCPCS
4
Medicare allowed
$22,244
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 92 68 $124
99213 Established patient office or other outpatient visit, 20-29 minutes 74 55 $90
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 30 30 $127
G0008 Administration of influenza virus vaccine 12 12 $28

In context: peer comparison

Among 6 peers in Lithonia Family Medicine Physician, average services per provider: 71. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$512
Transactions
29
Manufacturers
10
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals Lp 8 $134.95
Novo Nordisk INC 5 $87.68
Bayer Healthcare Pharmaceuticals INC. 3 $59.87
Lilly USA, LLC 3 $58.82
Amgen INC. 3 $44.51
Exact Sciences Corporation 2 $37.36
Pfizer INC. 2 $35.07
Dexcom, INC. 1 $20.57
Abbott Laboratories 1 $20.02
Boehringer Ingelheim Pharmaceuticals, INC. 1 $13.61

By nature of payment

Food and Beverage
$512

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,950
Patients
635
Total drug cost
$103,020
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 387 134 $2,529
Atorvastatin Calcium Generic 240 88 $2,614
Lisinopril Generic 153 37 $875
Metformin Hcl Generic 141 48 $897
Hydrochlorothiazide Generic 138 53 $396
Losartan Potassium Generic 110 35 $1,414
Tramadol Hcl Generic 104 35 $597
Omeprazole Generic 102 37 $758
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 89 31 $3,592
Levothyroxine Sodium Generic 89 26 $1,227

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Sibyl Duncan's medical specialty?
Dr. Sibyl Duncan practices Family Medicine Physician in Lithonia, GA.
Where does Dr. Sibyl Duncan practice?
Dr. Sibyl Duncan practices at 6000 Hillandale Dr Ste 100, Lithonia, GA 30058. Office phone: 6784181964.
What is Dr. Sibyl Duncan's NPI?
Dr. Sibyl Duncan's National Provider Identifier (NPI) is 1912238023, issued by NPPES.
Does Dr. Sibyl Duncan accept Medicare assignment?
Yes. Dr. Sibyl Duncan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sibyl Duncan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.