Stephen Kaplan, PH.D.
NPI 1649208752 · Clinical Psychologist · Commack, NY
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Kaplan, PH.D. is a Clinical Psychologist provider in Commack, NY (NPI 1649208752).
Provider details
- NPI number
- 1649208752
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 011028 (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
20 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
1,617 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) |
|---|---|---|
| Psychotherapy, 30 Minutes90832 | 1,054 | $85 |
| Psychotherapy, 45 Minutes90834 | 370 | $110 |
| Psychiatric Diagnostic Evaluation90791 | 55 | $182 |
| Evaluation of Psychological Test, First Hour96130 | 35 | $112 |
| Administration of Psychological Or Neuropsychological Test, Each Additional 30 Minutes96137 | 24 | $42 |
| Evaluation of Psychological Test, Each Additional Hour96131 | 23 | $93 |
| Administration of Psychological Or Neuropsychological Test, First 30 Minutes |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-29
- Last updated
- 2010-01-09
Frequently asked questions
- What is Stephen Kaplan's NPI number?
- Stephen Kaplan's National Provider Identifier (NPI) is 1649208752, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Kaplan's specialty?
- Stephen Kaplan is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Stephen Kaplan located?
- Stephen Kaplan's practice location on file with NPPES is 35 Crooked Hill Rd Ste 102, Commack, NY 11725-5415.
- What is Stephen Kaplan's phone number?
- The practice phone number listed in the NPPES registry for Stephen Kaplan is (631) 643-7904.
- Does Stephen Kaplan accept Medicare?
- Stephen Kaplan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Kaplan's NPI active?
- Yes — Stephen Kaplan's NPI (1649208752) is active in the NPPES registry as of the last update on 2010-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.