Doctor profile · Federal record

Dr. William Cook, MD

Mohs-Micrographic Surgery Physician (CMS: Micrographic Dermatologic Surgery (MDS)) · Dermatology Physician · Charleston, SC

  • NPI 1639100100
  • Accepts Medicare
  • 34 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
July 2006 — 20 yrs on file
Profile last updated
October 5, 2020
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207ND0101X — NUCC code
State license (1)
South Carolina #17169
Medicaid
SC #171691

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639100100. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
12,330
Distinct HCPCS
10
Medicare allowed
$2,875,825
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 1,988 1,338 $84
17311 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks 1,604 1,189 $430
17312 Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks 1,101 662 $379
11102 Biopsy of related skin growth, first growth 701 548 $70
99214 Established patient office or other outpatient visit, 30-39 minutes 633 534 $119
17110 Destruction of skin growth, 1-14 growths 601 453 $103
17313 Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks 411 287 $461
88331 Pathology examination of specimen during surgery, first tissue block 405 303 $94
13132 Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm 385 363 $228
17003 Destruction of precancer skin growth, 2-14 growths 385 99 $6

In context: peer comparison

Among 2 peers in Charleston Mohs-Micrographic Surgery Physician, average services per provider: 187. This provider delivers 66× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,008
Patients
907
Total drug cost
$7,334
Drug Type Claims Patients Total cost
Cephalexin Generic 538 503 $2,760
Ciprofloxacin Hcl Generic 114 112 $512
Clindamycin Hcl Generic 108 100 $611
Timolol Maleate Generic 81 62 $1,820
Doxycycline Hyclate Generic 76 75 $653
Mupirocin Generic 34 34 $284
Tramadol Hcl Generic 22 21 $44
Triamcinolone Acetonide Generic 13 0 $282
Gentamicin Sulfate Generic 11 0 $326
Oxycodone Hcl Generic 11 0 $42

Frequently asked questions

Auto-generated from federal data
What is Dr. William Cook's medical specialty?
Dr. William Cook practices Mohs-Micrographic Surgery Physician in Charleston, SC.
Where does Dr. William Cook practice?
Dr. William Cook practices at 171 Ashley Ave, Charleston, SC 294250001. Office phone: 8437921414.
What is Dr. William Cook's NPI?
Dr. William Cook's National Provider Identifier (NPI) is 1639100100, issued by NPPES.
Does Dr. William Cook accept Medicare assignment?
Yes. Dr. William Cook accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Cook commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks (HCPCS 17311); Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks (HCPCS 17312). Source: CMS Medicare Physician & Other Practitioners file.