Louis Dehner, MD
NPI 1265450738 · Anatomic Pathology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Dehner, MD is a Anatomic Pathology Physician provider in Saint Louis, MO (NPI 1265450738).
Provider details
- NPI number
- 1265450738
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 30743 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
1,786 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 | 469 | $35 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 383 | $26 |
| Pathology Examination of Tissue Using a Microscope, Moderately High Complexity88307 | 226 | $76 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 225 | $68 |
| Preparation of Tissue for Examination By Removing Any Calcium Present88311 | 133 | $11 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 126 | $32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2025-04-17
Frequently asked questions
- What is Louis Dehner's NPI number?
- Louis Dehner's National Provider Identifier (NPI) is 1265450738, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Dehner's specialty?
- Louis Dehner is listed in the NPPES registry with a primary specialty of Anatomic Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Dehner located?
- Louis Dehner's practice location on file with NPPES is 1 Barnes Jewish Hospital Plz, Saint Louis, MO 63110-1003.
- What is Louis Dehner's phone number?
- The practice phone number listed in the NPPES registry for Louis Dehner is (314) 362-5641.
- Does Louis Dehner accept Medicare?
- Louis Dehner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Dehner's NPI active?
- Yes — Louis Dehner's NPI (1265450738) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.