Doctor profile · Federal record

Dr. Collier Gladin, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Internal Medicine Physician · Charleston, SC

  • NPI 1558657569
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 15 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
171 Ashley Ave
Charleston, SC 294258908
(843) 792-1414
Mailing address
Po Box 751461
Charlotte, NC 282751461

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
June 17, 2016
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
South Carolina #34754 · Georgia #4779

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558657569. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
5,609
Distinct HCPCS
10
Medicare allowed
$186,476
HCPCS Description Services Patients Avg allowed
77067 Screening mammography 1,612 1,612 $35
77063 Screening 3d breast mammography 1,320 1,320 $28
71045 X-ray of chest, 1 view 601 504 $9
77080 Dxa bone density measurement of hip, pelvis, spine 187 187 $9
70450 Ct scan head or brain without contrast 171 167 $39
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 142 138 $28
74177 Ct scan of abdomen and pelvis with contrast 130 128 $85
77065 Diagnostic mammography of 1 breast 128 118 $38
76642 Limited ultrasound scan of 1 breast 95 92 $34
77066 Diagnostic mammography of both breasts 81 77 $46

In context: peer comparison

Among 39 peers in Charleston Diagnostic Radiology Physician, average services per provider: 161. This provider delivers 35× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Collier Gladin's medical specialty?
Dr. Collier Gladin practices Diagnostic Radiology Physician in Charleston, SC.
Where does Dr. Collier Gladin practice?
Dr. Collier Gladin practices at 171 Ashley Ave, Charleston, SC 294258908. Office phone: 8437921414.
What is Dr. Collier Gladin's NPI?
Dr. Collier Gladin's National Provider Identifier (NPI) is 1558657569, issued by NPPES.
Does Dr. Collier Gladin accept Medicare assignment?
Yes. Dr. Collier Gladin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Collier Gladin commonly perform?
Top Medicare-reported procedures in 2023: Screening mammography (HCPCS 77067); Screening 3d breast mammography (HCPCS 77063); X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.