Doctor profile · Federal record

Dr. William Lancaster, M.D.

Surgery Physician (CMS: Surgical Oncology) · Charleston, SC

  • NPI 1861787780
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
169 Ashley Ave
Charleston, SC 294258905
(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
July 21, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
South Carolina #MMD.33839 LL

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861787780. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
243
Distinct HCPCS
7
Medicare allowed
$28,807
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 105 78 $61
99204 New patient office or other outpatient visit, 45-59 minutes 71 71 $125
99214 Established patient office or other outpatient visit, 30-39 minutes 19 18 $88
47562 Removal of gallbladder using an endoscope 15 15 $619
64590 Insertion of peripheral or gastric neurostimulator generator 11 11 $110
95980 Electronic analysis of implanted gastric neurostimulator generator during surgery with programming 11 11 $42
99203 New patient office or other outpatient visit, 30-44 minutes 11 11 $78

In context: peer comparison

Among 20 peers in Charleston Surgery Physician, average services per provider: 52. This provider delivers 4.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$341
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
AngioDynamics, INC. 1 $148.74
Intera Oncology, INC 1 $146.19
Medtronic, INC. 1 $45.88

By nature of payment

Food and Beverage
$341

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
42
Patients
0
Total drug cost
$565,720
Drug Type Claims Patients Total cost
Famotidine Generic 29 0 $277
Gattex (Teduglutide) Brand 13 0 $565,443

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Lancaster's medical specialty?
Dr. William Lancaster practices Surgery Physician in Charleston, SC.
Where does Dr. William Lancaster practice?
Dr. William Lancaster practices at 169 Ashley Ave, Charleston, SC 294258905. Office phone: 8437921414.
What is Dr. William Lancaster's NPI?
Dr. William Lancaster's National Provider Identifier (NPI) is 1861787780, issued by NPPES.
Does Dr. William Lancaster accept Medicare assignment?
Yes. Dr. William Lancaster accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Lancaster commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.