S. Marc Testa, PH.D.
NPI 1629114699 · Clinical Neuropsychologist · Baltimore, MD
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
S. Marc Testa, PH.D. is a Clinical Neuropsychologist provider in Baltimore, MD (NPI 1629114699).
Provider details
- NPI number
- 1629114699
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 04253 (MD)
Specialties & taxonomies
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
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
180 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 | 91 | $37 |
| Exam of Neurobehavioral Status, First Hour96116 | 24 | $94 |
| Evaluation of Neuropsychological Test, First Hour96132 | 24 | $131 |
| Administration of Psychological Or Neuropsychological Test By Technician, First 30 Minutes96138 | 23 | $36 |
| Evaluation of Neuropsychological Test, Each Additional Hour96133 | 18 | $100 |
Typical Medicare-allowed amounts for these services range $36–$131 (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
- 2007-01-29
- Last updated
- 2016-09-27
Frequently asked questions
- What is S. Marc Testa's NPI number?
- S. Marc Testa's National Provider Identifier (NPI) is 1629114699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is S. Marc Testa's specialty?
- S. Marc Testa is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is S. Marc Testa located?
- S. Marc Testa's practice location on file with NPPES is 5051 Greenspring Ave, Baltimore, MD 21209-4354.
- What is S. Marc Testa's phone number?
- The practice phone number listed in the NPPES registry for S. Marc Testa is (443) 992-0762.
- Does S. Marc Testa accept Medicare?
- S. Marc Testa is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is S. Marc Testa's NPI active?
- Yes — S. Marc Testa's NPI (1629114699) is active in the NPPES registry as of the last update on 2016-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.