Doctor profile · Federal record

Dr. Grif Leek, MD

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

  • NPI 1841284767
  • Accepts Medicare
  • 31 yrs in practice
  • 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
July 8, 2007
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
207PE0004X — NUCC code
State license (1)
Mississippi #15896
Medicaid
MS #00119541

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841284767. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
510
Distinct HCPCS
4
Medicare allowed
$69,137
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 287 280 $165
99284 Emergency department visit with moderate level of medical decision making 96 95 $114
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 75 69 $8
99291 Critical care, first 30-74 minutes 52 52 $196

In context: peer comparison

Among 2 peers in this city , average services per provider: 164. This provider delivers 3.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
16
Patients
16
Total drug cost
$61
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 16 16 $61

Frequently asked questions

Auto-generated from federal data
What is Dr. Grif Leek's medical specialty?
Dr. Grif Leek practices Emergency Medical Services (Emergency Medicine) Physician in Hattiesburg, MS.
Where does Dr. Grif Leek practice?
Dr. Grif Leek practices at 5001 Hardy St, Hattiesburg, MS 394021308. Office phone: 6012688000.
What is Dr. Grif Leek's NPI?
Dr. Grif Leek's National Provider Identifier (NPI) is 1841284767, issued by NPPES.
Does Dr. Grif Leek accept Medicare assignment?
Yes. Dr. Grif Leek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Grif Leek 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); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.