Doctor profile · Federal record

Dr. Sydney Middleton, MD

Pediatric Endocrinology Physician (CMS: Pediatric Medicine) · Charleston, SC

  • NPI 1659833937
  • 7 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
171 Ashley Ave
Charleston, SC 294250100
(843) 792-1414
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
April 2019 — 7 yrs on file
Profile last updated
November 11, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
2080P0205X — NUCC code
State license (1)
South Carolina #95642

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659833937. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$154
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 2 $51.05
Novo Nordisk INC 2 $45.57
Sanofi-Aventis U.S. LLC 1 $26.23
Pfizer INC. 1 $16.20
Endo USA, INC. 1 $14.61

By nature of payment

Food and Beverage
$154

Frequently asked questions

Auto-generated from federal data
What is Dr. Sydney Middleton's medical specialty?
Dr. Sydney Middleton practices Pediatric Endocrinology Physician in Charleston, SC.
Where does Dr. Sydney Middleton practice?
Dr. Sydney Middleton practices at 171 Ashley Ave, Charleston, SC 294250100. Office phone: 8437921414.
What is Dr. Sydney Middleton's NPI?
Dr. Sydney Middleton's National Provider Identifier (NPI) is 1659833937, issued by NPPES.
Does Dr. Sydney Middleton accept Medicare assignment?
Dr. Sydney Middleton does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.