Doctor profile · Federal record

Dr. William Massengale, MD

Dermatology Physician (CMS: Dermatology) · Prairieville, LA

  • NPI 1952398893
  • Accepts Medicare
  • MIPS 79.6 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
17503 Old Jefferson Hwy
Prairieville, LA 707693930
(225) 313-4560
fax (225) 673-3069
Additional location
163 Burgin Ave
Baton Rouge, LA 708084925

Credentials & registration

NPPES · NUCC
NPI registered
October 2005 — 21 yrs on file
Profile last updated
August 22, 2024
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
207N00000X — NUCC code
State license (1)
Louisiana #023151
Medicaid
LA #1530000

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952398893. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,016
Distinct HCPCS
10
Medicare allowed
$199,721
HCPCS Description Services Patients Avg allowed
17003 Destruction of precancer skin growth, 2-14 growths 973 187 $6
99213 Established patient office or other outpatient visit, 20-29 minutes 626 447 $86
17110 Destruction of skin growth, 1-14 growths 346 282 $100
17000 Destruction of precancer skin growth, 1 growth 340 257 $45
99214 Established patient office or other outpatient visit, 30-39 minutes 164 130 $119
11102 Biopsy of related skin growth, first growth 145 134 $77
99203 New patient office or other outpatient visit, 30-44 minutes 104 104 $107
12032 Intermediate repair of wound of scalp, underarms, trunk, arms, or legs, 2.6-7.5 cm 46 43 $271
99204 New patient office or other outpatient visit, 45-59 minutes 35 35 $160
10040 Acne surgery 30 29 $108

In context: peer comparison

Among 1 peers in this city , average services per provider: 143. This provider delivers 21× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$47,858
Transactions
241
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Galderma Laboratories, L.P. 40 $36,116.33
ABBVIE INC. 39 $8,401.46
GENZYME CORPORATION 27 $798.13
Lilly USA, LLC 18 $452.82
E.R. Squibb & Sons, L.L.C. 27 $317.25
PFIZER INC. 22 $270.55
Janssen Biotech, Inc. 11 $244.94
Regeneron Healthcare Solutions, Inc. 9 $234.59
UCB, Inc. 17 $192.04
Incyte Corporation 8 $172.85
LEO Pharma Inc. 13 $132.77
SUN PHARMACEUTICAL INDUSTRIES INC. 5 $112.20
Janssen Scientific Affairs, LLC 1 $94.69
MERZ NORTH AMERICA, INC. 1 $88.92
Amgen Inc. 3 $63.29

By nature of payment

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program
$39,690
Food and Beverage
$4,972
Travel and Lodging
$3,049
Education
$138
Honoraria
$8

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,600
Patients
964
Total drug cost
$146,062
Drug Type Claims Patients Total cost
Triamcinolone Acetonide Generic 374 254 $4,303
Clobetasol Propionate Generic 190 111 $7,056
Hydrocortisone Generic 173 128 $930
Mupirocin Generic 148 95 $1,306
Ketoconazole Generic 137 82 $2,174
Finasteride Generic 108 27 $788
Fluconazole Generic 97 68 $1,126
Doxycycline Hyclate Generic 71 58 $885
Spironolactone Generic 57 11 $784
Minoxidil Generic 51 20 $391

Frequently asked questions

Auto-generated from federal data
What is Dr. William Massengale's medical specialty?
Dr. William Massengale practices Dermatology Physician in Prairieville, LA.
Where does Dr. William Massengale practice?
Dr. William Massengale practices at 17503 Old Jefferson Hwy, Prairieville, LA 707693930. Office phone: 2253134560.
What is Dr. William Massengale's NPI?
Dr. William Massengale's National Provider Identifier (NPI) is 1952398893, issued by NPPES.
Does Dr. William Massengale accept Medicare assignment?
Yes. Dr. William Massengale accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Massengale commonly perform?
Top Medicare-reported procedures in 2023: Destruction of precancer skin growth, 2-14 growths (HCPCS 17003); Established patient office or other outpatient visit (HCPCS 99213); Destruction of skin growth, 1-14 growths (HCPCS 17110). Source: CMS Medicare Physician & Other Practitioners file.