Doctor profile · Federal record

Dr. William Entriken, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medical Services (Emergency Medicine) Physician · Hattiesburg, MS

  • NPI 1932193505
  • Accepts Medicare
  • 35 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5001 Hardy St
Hattiesburg, MS 394021308
(601) 268-8000
Mailing address
Po Box 22505
Jackson, MS 392252505

Credentials & registration

NPPES · NUCC
NPI registered
September 2005 — 21 yrs on file
Profile last updated
December 11, 2024
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Texas #P0047 · Mississippi #14207
Medicaid
MS #00115484

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1932193505. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
448
Distinct HCPCS
4
Medicare allowed
$71,997
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 324 311 $169
99284 Emergency department visit with moderate level of medical decision making 75 75 $116
99291 Critical care, first 30-74 minutes 38 38 $205
99283 Emergency department visit with low level of medical decision making 11 11 $69

In context: peer comparison

Among 16 peers in Hattiesburg Emergency Medicine Physician, average services per provider: 157. This provider delivers 2.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$218
Transactions
4
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 3 $134.75
Abiomed 1 $83.04

By nature of payment

Food and Beverage
$218

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
67
Patients
67
Total drug cost
$570
Drug Type Claims Patients Total cost
Tramadol Hcl Generic 22 22 $42
Ondansetron Hcl Generic 17 17 $284
Azithromycin Generic 15 15 $55
Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) Brand 13 13 $188

Frequently asked questions

Auto-generated from federal data
What is Dr. William Entriken's medical specialty?
Dr. William Entriken practices Emergency Medicine Physician in Hattiesburg, MS.
Where does Dr. William Entriken practice?
Dr. William Entriken practices at 5001 Hardy St, Hattiesburg, MS 394021308. Office phone: 6012688000.
What is Dr. William Entriken's NPI?
Dr. William Entriken's National Provider Identifier (NPI) is 1932193505, issued by NPPES.
Does Dr. William Entriken accept Medicare assignment?
Yes. Dr. William Entriken accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Entriken commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.