Quick answers
- Which hospitals does John D. Knapp work at?
- Medicare's official clinician data lists John D. Knapp at 2 hospitals: Our Lady of the Lake Regional Medical Center and Womans Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John D. Knapp see patients?
- Medicare's clinician data lists 2 practice locations, including Prairieville, LA and Gonzales, LA. Call before your visit to confirm the address.
- What is John D. Knapp's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Pediatric Medicine.
- Does John D. Knapp accept Medicare assignment?
- Yes. Medicare's clinician data says John D. Knapp accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does John D. Knapp offer telehealth?
- Medicare's clinician data says John D. Knapp offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John D. Knapp?
- (225) 765-5500, as listed in official Medicare / NPI Registry data.
- What is John D. Knapp's NPI number?
- 1669471207. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John D. Knapp works
Medicare's Facility Affiliation Data lists John D. Knapp at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Our Lady of the Lake Regional Medical CenterBaton Rouge, LA · Acute Care Hospital · CCN 190064
- Womans HospitalBaton Rouge, LA · Acute Care Hospital · CCN 190128
Practice locations
Addresses where John D. Knapp is enrolled with Medicare (CMS data updated 2026-10-02).
- 14225 Hwy 73Prairieville, LA 70769 (225) 765‑5500
- 1937 S Burnside AveGonzales, LA 70737 (225) 765‑5500
Group practices
Medicare enrollment lists John D. Knapp as a member of this group (CMS data updated 2026-10-02).
- Our Lady of the Lake Physician Group LLC644 clinicians in the group
Specialties
- Internal Medicineprimary
- Pediatric Medicinealso
Other internal medicine doctors in Prairieville
Clinicians with the same Medicare primary specialty in Prairieville, LA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1669471207 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians