John Simmons, M.D.
NPI 1982664397 · Anatomic Pathology & Clinical Pathology Physician · Baton Rouge, LA
Enrolled with Medicare as Practitioner - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Simmons, M.D. is a Anatomic Pathology & Clinical Pathology Physician provider in Baton Rouge, LA (NPI 1982664397).
Provider details
- NPI number
- 1982664397
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD.14896R (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 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
967 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 | 578 | $37 |
| Pathology Examination of Tissue Using a Microscope, Intermediate Complexity88305 | 113 | $38 |
| Special Stained Specimen Slides to Examine Tissue, Each Additional Procedure88341 | 72 | $60 |
| Blood Smear Interpretation By Physician With Written Report85060 | 53 | $22 |
| Special Stained Specimen Slides to Examine Tissue, Initial Procedure88342 | 53 | $73 |
| Pathology Examination of Tissue Using a Microscope, Moderately Low Complexity88304 | 46 | $13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2015-08-13
Frequently asked questions
- What is John Simmons's NPI number?
- John Simmons's National Provider Identifier (NPI) is 1982664397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Simmons's specialty?
- John Simmons is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is John Simmons located?
- John Simmons's practice location on file with NPPES is 5339 Odonavan, Baton Rouge, LA 70808-4388.
- What is John Simmons's phone number?
- The practice phone number listed in the NPPES registry for John Simmons is (225) 766-4999.
- Does John Simmons accept Medicare?
- John Simmons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Simmons's NPI active?
- Yes — John Simmons's NPI (1982664397) is active in the NPPES registry as of the last update on 2015-08-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.