Thomas Keister, MD
NPI 1134177462 · Pain Medicine (Psychiatry & Neurology) Physician · Mandeville, LA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Keister, MD is a Pain Medicine (Psychiatry & Neurology) Physician provider in Mandeville, LA (NPI 1134177462).
Provider details
- NPI number
- 1134177462
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Psychiatry & Neurology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- License
- MD.12923R (LA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Mirtazapine | 46 | 23 |
| Quetiapine Fumarate | 24 | 13 |
| Sertraline Hcl | 23 | 14 |
| Memantine Hcl | 22 | 16 |
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 19 | — |
| Bupropion Hclbrand: Bupropion Xl | 19 | 11 |
| Escitalopram Oxalate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-05
- Last updated
- 2007-07-08
Frequently asked questions
- What is Thomas Keister's NPI number?
- Thomas Keister's National Provider Identifier (NPI) is 1134177462, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Keister's specialty?
- Thomas Keister is listed in the NPPES registry with a primary specialty of Pain Medicine (Psychiatry & Neurology) Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Keister located?
- Thomas Keister's practice location on file with NPPES is 2810 E Causeway Approach, Mandeville, LA 70448-3502.
- What is Thomas Keister's phone number?
- The practice phone number listed in the NPPES registry for Thomas Keister is (985) 875-2340.
- Does Thomas Keister accept Medicare?
- Thomas Keister is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Keister's NPI active?
- Yes — Thomas Keister's NPI (1134177462) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.