Quick answers
- Where does Lewis D. Griffith see patients?
- Medicare's clinician data lists 2 practice locations, including Saint Louis, MO and Richmond Heights, MO. Call before your visit to confirm the address.
- What is Lewis D. Griffith's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Lewis D. Griffith accept Medicare assignment?
- Yes. Medicare's clinician data says Lewis D. Griffith 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.
- What is the phone number for Lewis D. Griffith?
- (314) 747-3000, as listed in official Medicare / NPI Registry data.
- What is Lewis D. Griffith's NPI number?
- 1821314451. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Lewis D. Griffith is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Barnes Jew Hosp PlzSaint Louis, MO 63110 (314) 747‑3000
- 6420 Clayton RdRichmond Heights, MO 63117 (314) 766‑8000
Group practices
Medicare enrollment lists Lewis D. Griffith as a member of these groups (CMS data updated 2026-10-02).
- Washington University3,029 clinicians in the group
- Cogent Healthcare of Missouri Inc31 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Clinician information
| Medical school | Saint Louis University School Of Medicine |
|---|---|
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821314451 |
| 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
- 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