Doctor profile · Federal record

Dr. Gregory Toczyl, MD

Neurological Surgery Physician (CMS: Neurosurgery) · Neurological Surgery Physician · Neurological Surgery Physician · Hattiesburg, MS

  • NPI 1104002047
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
415 S 28Th Ave
Hattiesburg, MS 394017246
(601) 579-5459
fax (601) 579-5240
Additional location
Texas Tech University Health Sciences Ctr, 3601 4Th Street
Lubbock, TX 794300001
(806) 743-7711

Credentials & registration

NPPES · NUCC
NPI registered
January 2008 — 18 yrs on file
Profile last updated
August 11, 2020
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (3)
Mississippi #20183 · Texas #N4161 · Wisconsin #56920
Medicaid
MS #02339062

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104002047. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
109
Distinct HCPCS
5
Medicare allowed
$14,145
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 44 44 $123
99291 Critical care, first 30-74 minutes 20 19 $203
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 19 15 $113
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 15 14 $75
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $126

In context: peer comparison

Among 4 peers in Hattiesburg Neurological Surgery Physician, average services per provider: 23. This provider delivers 4.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Gregory Toczyl's medical specialty?
Dr. Gregory Toczyl practices Neurological Surgery Physician in Hattiesburg, MS.
Where does Dr. Gregory Toczyl practice?
Dr. Gregory Toczyl practices at 415 S 28Th Ave, Hattiesburg, MS 394017246. Office phone: 6015795459.
What is Dr. Gregory Toczyl's NPI?
Dr. Gregory Toczyl's National Provider Identifier (NPI) is 1104002047, issued by NPPES.
Does Dr. Gregory Toczyl accept Medicare assignment?
Yes. Dr. Gregory Toczyl accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Toczyl commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.