Doctor profile · Federal record

Dr. Meredith Duffy, AU.D.

Audiologist · Audiologist · Charleston, SC

  • NPI 1285914044
  • 15 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
171 Ashley Ave
Charleston, SC 294255663
(843) 792-1414
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
August 2011 — 15 yrs on file
Profile last updated
October 16, 2018
Specialty taxonomy
231H00000X — NUCC code
State licenses (2)
South Carolina #4092 · New York #002365-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285914044. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
476
Distinct HCPCS
5
Medicare allowed
$12,879
HCPCS Description Services Patients Avg allowed
92557 Comprehensive hearing and speech recognition test 243 240 $35
92567 Test to assess middle ear function 182 180 $15
92552 Test for hearing various pitches using earphone 19 19 $32
92556 Test for ability to detect and repeat spoken words with speech recognition 19 19 $39
92550 Test for eardrum and muscle function 13 13 $19

In context: peer comparison

Among 8 peers in Charleston Audiologist, average services per provider: 106. This provider delivers 4.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Meredith Duffy's medical specialty?
Dr. Meredith Duffy practices Audiologist in Charleston, SC.
Where does Dr. Meredith Duffy practice?
Dr. Meredith Duffy practices at 171 Ashley Ave, Charleston, SC 294255663. Office phone: 8437921414.
What is Dr. Meredith Duffy's NPI?
Dr. Meredith Duffy's National Provider Identifier (NPI) is 1285914044, issued by NPPES.
What procedures does Dr. Meredith Duffy commonly perform?
Top Medicare-reported procedures in 2023: Comprehensive hearing and speech recognition test (HCPCS 92557); Test to assess middle ear function (HCPCS 92567); Test for hearing various pitches using earphone (HCPCS 92552). Source: CMS Medicare Physician & Other Practitioners file.