Gad Klein, PHD
NPI 1477786325 · Clinical Neuropsychologist · New Hyde Park, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gad Klein, PHD is a Clinical Neuropsychologist provider in New Hyde Park, NY (NPI 1477786325).
Provider details
- NPI number
- 1477786325
- Entity type
- Individual
- Primary specialty
- Clinical NeuropsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- Yes
- License
- 018221 (NY)
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
16 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
936 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) |
|---|---|---|
| Evaluation of Neuropsychological Test, First Hour96132 | 240 | $132 |
| Exam of Neurobehavioral Status, First Hour96116 | 236 | $95 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes96136 | 226 | $44 |
| Administration of Psychological Or Neuropsychological Test, Each Additional 30 Minutes96137 | 190 | $39 |
| Psychiatric Diagnostic Evaluation90791 | 44 | $168 |
Typical Medicare-allowed amounts for these services range $39–$168 (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
- 2009-08-26
- Last updated
- 2009-08-26
Frequently asked questions
- What is Gad Klein's NPI number?
- Gad Klein's National Provider Identifier (NPI) is 1477786325, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gad Klein's specialty?
- Gad Klein is listed in the NPPES registry with a primary specialty of Clinical Neuropsychologist (Behavioral Health & Social Service Providers).
- Where is Gad Klein located?
- Gad Klein's practice location on file with NPPES is 1991 Marcus Ave Ste 108, New Hyde Park, NY 11042-2058.
- What is Gad Klein's phone number?
- The practice phone number listed in the NPPES registry for Gad Klein is (516) 442-2250.
- Does Gad Klein accept Medicare?
- Gad Klein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gad Klein's NPI active?
- Yes — Gad Klein's NPI (1477786325) is active in the NPPES registry as of the last update on 2009-08-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.