Justin David Westervelt, M.D.
Nephrology Physician · Hattiesburg, MS
Justin David Westervelt, M.D. is a nephrology physician with a practice address in Hattiesburg, Mississippi, and NPI 1679748016, issued on Apr 28, 2008. Check the license (Mississippi 23758, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Justin David Westervelt
- Credential
- M.D.
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License numbers
- 23758 MS
26227 NE
Self-reported in NPPES; status is on the state search - Practice location
- 415 S 28TH Ave, Hattiesburg, MS 39401
- Phone
- (601) 268-5700
- Enumerated
- Apr 28, 2008
- Record last updated
- Jul 9, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (601) 268-5777
- Medicaid ID
- 05384868 MS
- Medicare enrollment
- Enrolled (PECOS I20150423000504); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 2006
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 110 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 Justin David Westervelt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 23758Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average nephrology physician in 2024
1,003 Medicare Part D claims for 278 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Calcitriol130 claims
- Amlodipine Besylate88 claims
- Losartan Potassium88 claims
- Hydralazine Hcl75 claims
- Carvedilol51 claims
- Gabapentin42 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $24.61
1 payment: education; the largest payer was Akebia Therapeutics Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Hattiesburg Clinic PAHattiesburg, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin David Westervelt among 110 nephrology physician records in Mississippi
Justin David Westervelt, M.D. is one of 110 nephrology physician records with a practice address in Mississippi. 80% 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 66% of them.
- NPI issued2008 · 66% of these records are older, 25% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2006 · median 1999 among the 81 with a school on file
- Record last updated2020 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Mississippi
There are 110 nephrology physician records in Mississippi.
All 110 in Mississippi → Every provider in Hattiesburg → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Sanjay Derhgawen, MDHattiesburg, MS 394011215945506
- John Fitzpatrick, MDHattiesburg, MS 394011467462465
- Daniel Habeeb, MDHattiesburg, MS 394011568474294
- Loyd High, M.D.Hattiesburg, MS 394011467422436
- Brian Rifkin, MDHattiesburg, MS 394011376545145
- Jon Thornton, MDHattiesburg, MS 394011235249046
- Jasmine Washington, M.D.Hattiesburg, MS 394011326402066
- Christopher Westervelt, MDHattiesburg, MS 394011740290048
Common questions
What is Justin David Westervelt, M.D.'s NPI number?
Justin David Westervelt, M.D.'s National Provider Identifier (NPI) is 1679748016, issued on Apr 28, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Justin David Westervelt, M.D. located?
The NPPES record lists a practice address at 415 S 28TH Ave, Hattiesburg, MS, 39401. Phone: (601) 268-5700. Providers update this record themselves, so call before visiting.
How can I verify Justin David Westervelt, M.D.'s license?
NPPES lists Mississippi license number 23758, 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.
How much does Justin David Westervelt, M.D. prescribe under Medicare Part D?
In 2024, Justin David Westervelt, M.D. had 1,003 Medicare Part D claims for 278 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
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.