Gregory R. Toczyl, MD
Neurological Surgery Physician · Hattiesburg, MS
Gregory R. Toczyl, MD is a neurological surgery physician with a practice address in Hattiesburg, Mississippi, and NPI 1104002047, issued on Jan 10, 2008. Check the license (Mississippi 20183, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Gregory R. Toczyl
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License numbers
- 20183 MS
N4161 TX
56920 WI
Self-reported in NPPES; status is on the state search - Practice location
- 415 S 28TH Ave, Hattiesburg, MS 39401
- Phone
- (601) 579-5459
- Enumerated
- Jan 10, 2008
- Record last updated
- Aug 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (601) 579-5240
- Medicaid ID
- 02339062 MS
- Medicare enrollment
- Enrolled (PECOS I20150812007463); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 62 in Mississippi → Look up another NPI →
Also registered at 415 S 28TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ralph Abraham, MDSurgery Physician1013931674
- Logan AbramsPerfusionist1346803061
- William Adcock, AGACNPCritical Care Medicine Nurse Practitioner1225894264
- Mansoor Ahmad, MDHospitalist Physician1154096758
- Mohammed Ahmed, MDHospitalist Physician1942224514
- Muthanna Al-Ghuraibawi, M.D.Hospitalist Physician1811622665
Verify Gregory R. Toczyl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 20183Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Forrest County General HospitalPicayune, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gregory R. Toczyl among 62 neurological surgery physician records in Mississippi
Gregory R. Toczyl, MD is one of 62 neurological surgery physician records with a practice address in Mississippi. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 37% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2002 · median 2002 among the 38 with a school on file
- Record last updated2020 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Mississippi
There are 62 neurological surgery physician records in Mississippi.
All 62 in Mississippi → Every provider in Hattiesburg → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Kerry Bernardo, MDHattiesburg, MS 394011700844875
- Richard Clatterbuck, M.D.Hattiesburg, MS 394011205887338
- Bradley Hall, DOHattiesburg, MS 394011386764132
- Frank Hux, DOHattiesburg, MS 394011003030578
- Daryl Johnson, M.D.Hattiesburg, MS 394011902095664
- Michael Lowry, M.D.Hattiesburg, MS 394021710057377
- William Johnson, MDGulfport, MS 395011548823891
- Jhinho Kim, M.D.Gulfport, MS 395011184756157
Common questions
What is Gregory R. Toczyl, MD's NPI number?
Gregory R. Toczyl, MD's National Provider Identifier (NPI) is 1104002047, issued on Jan 10, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gregory R. Toczyl, MD located?
The NPPES record lists a practice address at 415 S 28TH Ave, Hattiesburg, MS, 39401. Phone: (601) 579-5459. Providers update this record themselves, so call before visiting.
How can I verify Gregory R. Toczyl, MD's license?
NPPES lists Mississippi license number 20183, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.