William Trent Massengale, MD
Dermatology Physician · Prairieville, LA
William Trent Massengale, MD is a dermatology physician with a practice address in Prairieville, Louisiana, and NPI 1952398893, issued on Oct 5, 2005. Check the license (Louisiana 023151, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- William Trent Massengale
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- 023151 LA
Self-reported in NPPES; status is on the state search - Practice location
- 17503 Old Jefferson Hwy, Prairieville, LA 70769
- Phone
- (225) 313-4560
- Enumerated
- Oct 5, 2005
- Record last updated
- Aug 22, 2024
- Fax
- (225) 673-3069
- Medicaid ID
- 1530000 LA
- Medicare enrollment
- Enrolled (PECOS I20080611000409); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 1996
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 196 in Louisiana → Look up another NPI →
Also registered at 17503 Old Jefferson Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danielle Webster, MSN, APRN, FNP-BCPrimary Care Nurse Practitioner1508499252
Verify William Trent Massengale in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 023151Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average dermatology physician in 2024
1,932 Medicare Part D claims for 691 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Triamcinolone Acetonide318 claims
- Minoxidil209 claims
- Ketoconazole162 claims
- Hydrocortisone140 claims
- Clobetasol Propionate120 claims
- Fluconazole98 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.
The MIPS final score for 2023 (Medicare payment program): 79.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $47,857.54
250 payments; by number, the most common kind was food and beverage; the largest payer was Galderma Laboratories, L.P. The 10,250 providers of this specialty with any payment received $8,544.61 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 2 group practices
- Lsuhn Billing LLCBaton Rouge, LA
- W Trent Massengale MD LLCPrairieville, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Trent Massengale among 196 dermatology physician records in Louisiana
William Trent Massengale, MD is one of 196 dermatology physician records with a practice address in Louisiana. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1996 · median 2006 among the 160 with a school on file
- Record last updated2024 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Louisiana
There are 196 dermatology physician records in Louisiana.
All 196 in Louisiana → Every provider in Prairieville → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- April Sanchez, M.D.Walker, LA 707851497011548
- Haley Caire, MDZachary, LA 707911972185460
- Lloyd Frye, M.D.Zachary, LA 707911023350436
- Laurie Harrington, M.D.Zachary, LA 707911326005802
- Jessica Leblanc, MDZachary, LA 707911013235647
- Ashley Record, M.D.Zachary, LA 707911982894374
- Harry Burglass, MDBaton Rouge, LA 708081104813971
- Mary Dobson, MDBaton Rouge, LA 708081952392318
Common questions
What is William Trent Massengale, MD's NPI number?
William Trent Massengale, MD's National Provider Identifier (NPI) is 1952398893, issued on Oct 5, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Trent Massengale, MD located?
The NPPES record lists a practice address at 17503 Old Jefferson Hwy, Prairieville, LA, 70769. Phone: (225) 313-4560. Providers update this record themselves, so call before visiting.
How can I verify William Trent Massengale, MD's license?
NPPES lists Louisiana license number 023151, 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 William Trent Massengale, MD prescribe under Medicare Part D?
In 2024, William Trent Massengale, MD had 1,932 Medicare Part D claims for 691 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is William Trent Massengale, MD's MIPS final score?
The 2023 MIPS final score is 79.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.