Doctor profile · Federal record

Dr. William Clark, M.D.

Geriatric Psychiatry Physician · Laurel, MS

  • NPI 1518987478
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1603 Old Amy RD
Laurel, MS 394402139
(601) 428-7100
fax (601) 428-7159

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2013
Specialty taxonomy
2084P0805X — NUCC code
State license (1)
Mississippi #15708
Medicaid
MS #00118813

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1518987478. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
97
Distinct HCPCS
2
Medicare allowed
$9,902
HCPCS Description Services Patients Avg allowed
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes 53 38 $69
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 44 36 $142

In context: peer comparison

Among 1 peers in Laurel Geriatric Psychiatry Physician, average services per provider: 48. This provider delivers 2.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
310
Patients
0
Total drug cost
$17,163
Drug Type Claims Patients Total cost
Buprenorphine-Naloxone (Buprenorphine Hcl/Naloxone Hcl) Brand 68 0 $11,619
Quetiapine Fumarate Generic 44 0 $1,132
Duloxetine Hcl Generic 42 0 $1,310
Trazodone Hcl Generic 32 0 $224
Mirtazapine Generic 22 0 $794
Clonazepam Generic 18 0 $267
Risperidone Generic 17 0 $208
Bupropion Hcl SR (Bupropion Hcl) Brand 16 0 $364
Venlafaxine Hcl ER (Venlafaxine Hcl) Brand 15 0 $422
Bupropion Hcl Generic 14 0 $331

Frequently asked questions

Auto-generated from federal data
What is Dr. William Clark's medical specialty?
Dr. William Clark practices Geriatric Psychiatry Physician in Laurel, MS.
Where does Dr. William Clark practice?
Dr. William Clark practices at 1603 Old Amy RD, Laurel, MS 394402139. Office phone: 6014287100.
What is Dr. William Clark's NPI?
Dr. William Clark's National Provider Identifier (NPI) is 1518987478, issued by NPPES.
What procedures does Dr. William Clark commonly perform?
Top Medicare-reported procedures in 2023: Subsequent nursing facility care with straightforward level of medical decision making (HCPCS 99308); Subsequent nursing facility care with high level of medical decision making (HCPCS 99310). Source: CMS Medicare Physician & Other Practitioners file.