Stephen Martin, PH.D.
NPI 1144233297 · Clinical Neuropsychologist · Tyler, TX
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Martin, PH.D. is a Clinical Neuropsychologist provider in Tyler, TX (NPI 1144233297).
Provider details
- NPI number
- 1144233297
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 4740 (TX)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
4,769 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) |
|---|---|---|
| Administration of Psychological Or Neuropsychological Test By Technician, Each Additional 30 Minutes96139 | 2,817 | $30 |
| Evaluation of Neuropsychological Test, Each Additional Hour96133 | 1,014 | $87 |
| Psychiatric Diagnostic Evaluation90791 | 313 | $156 |
| Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138 | 313 | $30 |
| Evaluation of Neuropsychological Test, First Hour96132 | 312 | $115 |
Typical Medicare-allowed amounts for these services range $30–$156 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-13
- Last updated
- 2007-07-08
Frequently asked questions
- What is Stephen Martin's NPI number?
- Stephen Martin's National Provider Identifier (NPI) is 1144233297, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Martin's specialty?
- Stephen Martin is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Stephen Martin located?
- Stephen Martin's practice location on file with NPPES is 3800 Paluxy Dr, Tyler, TX 75703-1629.
- What is Stephen Martin's phone number?
- The practice phone number listed in the NPPES registry for Stephen Martin is (903) 258-9938.
- Does Stephen Martin accept Medicare?
- Stephen Martin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Martin's NPI active?
- Yes — Stephen Martin's NPI (1144233297) 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.