Doctor profile · Federal record

Dr. Terrence Day, MD

Otolaryngology Physician (CMS: Otolaryngology) · Charleston, SC

  • NPI 1659484608
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • 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
November 5, 2010
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207Y00000X — NUCC code
State license (1)
South Carolina #21413
Medicaid
SC #T55874

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659484608. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
445
Distinct HCPCS
8
Medicare allowed
$86,171
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 147 102 $168
99214 Established patient office or other outpatient visit, 30-39 minutes 61 57 $115
92526 Treatment of swallowing and feeding disorder 54 30 $79
92610 Evaluation of swallowing function 49 39 $79
31575 Diagnostic exam of voice box using a flexible endoscope 47 42 $115
99205 New patient office or other outpatient visit, 60-74 minutes 45 45 $202
38724 Removal of lymph nodes, muscle, and tissue of neck 25 25 $1,217
99213 Established patient office or other outpatient visit, 20-29 minutes 17 14 $85

In context: peer comparison

Among 19 peers in Charleston Otolaryngology Physician, average services per provider: 161. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$189
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Integra LifeSciences Corporation 2 $70.31
Kerecis Limited 2 $38.14
Ethicon US, LLC 1 $36.50
Smith+Nephew, INC. 1 $23.68
Forte Bio-Pharma LLC 1 $20.17

By nature of payment

Food and Beverage
$189

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Terrence Day's medical specialty?
Dr. Terrence Day practices Otolaryngology Physician in Charleston, SC.
Where does Dr. Terrence Day practice?
Dr. Terrence Day practices at 171 Ashley Ave, Charleston, SC 294250001. Office phone: 8437921414.
What is Dr. Terrence Day's NPI?
Dr. Terrence Day's National Provider Identifier (NPI) is 1659484608, issued by NPPES.
Does Dr. Terrence Day accept Medicare assignment?
Yes. Dr. Terrence Day accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Terrence Day commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214); Treatment of swallowing and feeding disorder (HCPCS 92526). Source: CMS Medicare Physician & Other Practitioners file.