William Massengale, MD
NPI 1952398893 · Dermatology Physician · Prairieville, LA
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Massengale, MD is a Dermatology Physician provider in Prairieville, LA (NPI 1952398893).
Provider details
- NPI number
- 1952398893
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 023151 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,633 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 820 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 520 | $84 |
| Destruction of Skin Growth, 1-14 Growths17110 | 342 | $98 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 321 | $44 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 164 | $118 |
| Biopsy of Related Skin Growth, First Growth |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Triamcinolone Acetonide | 318 | 212 |
| Minoxidil | 209 | 60 |
| Ketoconazole | 162 | 80 |
| Hydrocortisone | 140 | 99 |
| Clobetasol Propionate | 120 | 82 |
| Fluconazole | 98 | 61 |
| Finasteride | 91 | 27 |
| Mupirocin | 88 | 63 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$47,858 across 250 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 163 Burgin AveBaton Rouge, LA 70808-4925Phone: (225) 313-4560
Registry dates
- Enumerated
- 2005-10-05
- Last updated
- 2024-08-22
- Certified
- 2024-08-22
Frequently asked questions
- What is William Massengale's NPI number?
- William Massengale's National Provider Identifier (NPI) is 1952398893, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Massengale's specialty?
- William Massengale is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is William Massengale located?
- William Massengale's practice location on file with NPPES is 17503 Old Jefferson Hwy, Prairieville, LA 70769-3930.
- What is William Massengale's phone number?
- The practice phone number listed in the NPPES registry for William Massengale is (225) 313-4560.
- Does William Massengale accept Medicare?
- William Massengale is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Massengale's NPI active?
- Yes — William Massengale's NPI (1952398893) is active in the NPPES registry as of the last update on 2024-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.