William Long, M.D.
NPI 1043368723 · Dermatopathology (Pathology) Physician · Gretna, LA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Long, M.D. is a Dermatopathology (Pathology) Physician provider in Gretna, LA (NPI 1043368723).
Provider details
- NPI number
- 1043368723
- Entity type
- Individual
- Primary specialty
- Dermatopathology (Pathology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 023755 (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
6,755 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 5,573 | $35 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 396 | $11 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 298 | $32 |
| Special Stained Specimen Slides to Identify Organisms Including Interpretation and Report88312 | 206 | $25 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 192 | $26 |
| Antibody Evaluation, Each Additional Single Antibody Stain Procedure88350 | 72 | $27 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-08
- Last updated
- 2012-06-15
Frequently asked questions
- What is William Long's NPI number?
- William Long's National Provider Identifier (NPI) is 1043368723, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Long's specialty?
- William Long is listed in the NPPES registry with a primary specialty of Dermatopathology (Pathology) Physician (Allopathic & Osteopathic Physicians).
- Where is William Long located?
- William Long's practice location on file with NPPES is 1141 Whitney Ave, Gretna, LA 70056-5011.
- What is William Long's phone number?
- The practice phone number listed in the NPPES registry for William Long is (504) 361-3757.
- Does William Long accept Medicare?
- William Long is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Long's NPI active?
- Yes — William Long's NPI (1043368723) is active in the NPPES registry as of the last update on 2012-06-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.