Doctor profile · Federal record

Dr. Elizabeth Riddle, MSW, LISW

Social Worker (CMS: Clinical Social Worker) · Charleston, SC

  • NPI 1457469496
  • Accepts Medicare
  • 54 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
171 Ashley Ave
Charleston, SC 294250001
(843) 792-1414
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
104100000X — NUCC code
State license (1)
South Carolina #2732

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457469496. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
144
Distinct HCPCS
1
Medicare allowed
$15,197
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 144 14 $106

In context: peer comparison

Among 2 peers in Charleston Social Worker, average services per provider: 127. This provider delivers 1.1× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Elizabeth Riddle's medical specialty?
Dr. Elizabeth Riddle practices Social Worker in Charleston, SC.
Where does Dr. Elizabeth Riddle practice?
Dr. Elizabeth Riddle practices at 171 Ashley Ave, Charleston, SC 294250001. Office phone: 8437921414.
What is Dr. Elizabeth Riddle's NPI?
Dr. Elizabeth Riddle's National Provider Identifier (NPI) is 1457469496, issued by NPPES.
Does Dr. Elizabeth Riddle accept Medicare assignment?
Yes. Dr. Elizabeth Riddle accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth Riddle commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.