Stephanie Santiago-Mejias, PHD
NPI 1164209896 · Clinical Neuropsychologist · San Antonio, TX
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephanie Santiago-Mejias, PHD is a Clinical Neuropsychologist provider in San Antonio, TX (NPI 1164209896).
Provider details
- NPI number
- 1164209896
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Psychologist103T00000X
Behavioral Health & Social Service Providers
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
2 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
557 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 | 306 | $33 |
| Evaluation of Neuropsychological Test, Each Additional Hour96133 | 102 | $94 |
| Exam of Neurobehavioral Status, First Hour96116 | 50 | $89 |
| Evaluation of Neuropsychological Test, First Hour96132 | 50 | $124 |
| Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138 | 49 | $32 |
Typical Medicare-allowed amounts for these services range $32–$124 (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
Additional practice locations (1)
- 7200 Cambridge St Fl 9Houston, TX 77030-4202Phone: (787) 922-3220
Registry dates
- Enumerated
- 2023-09-14
- Last updated
- 2023-11-07
- Certified
- 2023-11-07
Frequently asked questions
- What is Stephanie Santiago-Mejias's NPI number?
- Stephanie Santiago-Mejias's National Provider Identifier (NPI) is 1164209896, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephanie Santiago-Mejias's specialty?
- Stephanie Santiago-Mejias is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Stephanie Santiago-Mejias located?
- Stephanie Santiago-Mejias's practice location on file with NPPES is 8300 Floyd Curl Dr, San Antonio, TX 78229-3931.
- What is Stephanie Santiago-Mejias's phone number?
- The practice phone number listed in the NPPES registry for Stephanie Santiago-Mejias is (210) 450-8424.
- Does Stephanie Santiago-Mejias accept Medicare?
- Stephanie Santiago-Mejias is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephanie Santiago-Mejias's NPI active?
- Yes — Stephanie Santiago-Mejias's NPI (1164209896) is active in the NPPES registry as of the last update on 2023-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.