NPPES file of Aug 9, 2026

Nathaniel Nowacki, M.D.

Neurology Physician · Hattiesburg, MS

Nathaniel Nowacki, M.D. is a neurology physician with a practice address in Hattiesburg, Mississippi, and NPI 1508201872, issued on May 1, 2013. Check the license (Mississippi 26713, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508201872
Name
Nathaniel Nowacki
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
26713 MS
Self-reported in NPPES; status is on the state search
Practice location
415 S 28TH Ave, Hattiesburg, MS 39401
Phone
(601) 288-4329
Enumerated
May 1, 2013
Record last updated
Aug 30, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(601) 288-3191
Medicaid ID
05304297 MS
Medicare enrollment
Enrolled (PECOS I20190627003486); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 415 S 28TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Ralph Abraham, MDSurgery Physician1013931674
  2. Logan AbramsPerfusionist1346803061
  3. William Adcock, AGACNPCritical Care Medicine Nurse Practitioner1225894264
  4. Mansoor Ahmad, MDHospitalist Physician1154096758
  5. Mohammed Ahmed, MDHospitalist Physician1942224514
  6. Muthanna Al-Ghuraibawi, M.D.Hospitalist Physician1811622665

Verify Nathaniel Nowacki in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 26713    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Mississippi license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Industry payments in 2024: $65.00

1 payment: food and beverage; the largest payer was Chiesi USA, Inc. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Nathaniel Nowacki$65.00
  2. Specialty average$8,318.07

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Fgh Physician BillingHattiesburg, MS
  2. Forrest County General HospitalHattiesburg, MS

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Neurology Physician providers in Mississippi

There are 116 neurology physician records in Mississippi.

All 116 in Mississippi → Every provider in Hattiesburg →

Other neurology physician records in Mississippi

  1. Ali Ahmad, M.D.Tupelo, MS1427583293
  2. Mohammad Ahmed, M.D.Vicksburg, MS1861458762
  3. Vilakshan Alambyan, MDJackson, MS1437643004
  4. Emad Alghazo, MDTupelo, MS1174186662
  5. Yanis Amrani, MDJackson, MS1144882473
  6. Mark Anderson, MDJackson, MS1922202415
  7. Craig Berteau, M.D.Brookhaven, MS1518130392
  8. Debashis Biswas, M.D.Southaven, MS1831144039
  9. Bertha Blanchard, MDHattiesburg, MS1043274616
  10. Susan Boston, M.D.Biloxi, MS1881602100

Common questions

What is Nathaniel Nowacki, M.D.'s NPI number?

Nathaniel Nowacki, M.D.'s National Provider Identifier (NPI) is 1508201872, issued on May 1, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Nathaniel Nowacki, M.D. located?

The NPPES record lists a practice address at 415 S 28TH Ave, Hattiesburg, MS, 39401. Phone: (601) 288-4329. Providers update this record themselves, so call before visiting.

How can I verify Nathaniel Nowacki, M.D.'s license?

NPPES lists Mississippi license number 26713, 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.