Justin William Fontenot, MD
Endocrinology, Diabetes & Metabolism Physician · Lafayette, LA
Justin William Fontenot, MD is an endocrinology, diabetes & metabolism physician with a practice address in Lafayette, Louisiana, and NPI 1881790632, issued on Sep 16, 2006. Check the license (Louisiana 026605, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Justin William Fontenot
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 026605 LA
Self-reported in NPPES; status is on the state search - Practice location
- 4212 W Congress St Ste 2300A, Lafayette, LA 70506
- Phone
- (337) 237-7801
- Enumerated
- Sep 16, 2006
- Record last updated
- Jul 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (337) 235-1865
- Medicaid ID
- 1057843 LA
- Medicare enrollment
- Enrolled (PECOS I20050627000506); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In Shreveport, 2003
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 4212 W Congress St Ste 2300A
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bennett Baquet, M.D.Endocrinology, Diabetes & Metabolism Physician1073563631
- Madelyn Dooley, F.N.P.Family Nurse Practitioner1851783864
- Ginger Fontenot, FNP-CFamily Nurse Practitioner1346693785
- Linda Foreman, RDRegistered Dietitian1548544844
- Rebekah Garrard, FNPFamily Nurse Practitioner1952656027
- Layne Lemaire, FNP-CFamily Nurse Practitioner1235554791
Verify Justin William Fontenot in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 026605Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average endocrinology, diabetes & metabolism physician in 2024
5,791 Medicare Part D claims for 851 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Levothyroxine Sodium939 claims
- Synthroid476 claims
- Mounjaro237 claims
- Metformin Hcl227 claims
- Ozempic204 claims
- Hydrocortisone193 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.
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $40,668.55
170 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 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
- Lafayette Arthritis And Endocrine Clinic ApmcLafayette, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Louisiana
There are 106 endocrinology, diabetes & metabolism physician records in Louisiana.
Other endocrinology, diabetes & metabolism physician records in Louisiana
- Mary Albritton, M.D.Bossier City, LA1275744112
- Sablaa Ali, D.O.Alexandria, LA1548500333
- Samuel Andrews, MDNew Orleans, LA1083618789
- Surender Arora, MDShreveport, LA1912933292
- Bennett Baquet, M.D.Lafayette, LA1073563631
- Kamal Bhusal, MDShreveport, LA1619132933
- Lawrence Blonde, MDNew Orleans, LA1821055237
- Patchaya Boonchaya-Anant, M.D.New Orleans, LA1528235645
- Dakota Boston, MDShreveport, LA1962899971
- Brittani Breaux, MDBaton Rouge, LA1093134256
Common questions
What is Justin William Fontenot, MD's NPI number?
Justin William Fontenot, MD's National Provider Identifier (NPI) is 1881790632, issued on Sep 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Justin William Fontenot, MD located?
The NPPES record lists a practice address at 4212 W Congress St Ste 2300A, Lafayette, LA, 70506. Phone: (337) 237-7801. Providers update this record themselves, so call before visiting.
How can I verify Justin William Fontenot, MD's license?
NPPES lists Louisiana license number 026605, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Justin William Fontenot, MD prescribe under Medicare Part D?
In 2024, Justin William Fontenot, MD had 5,791 Medicare Part D claims for 851 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Justin William Fontenot, MD's MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.