Stephen Lloyd Kaplan, PH.D.
Clinical Psychologist · Commack, NY
Stephen Lloyd Kaplan, PH.D. is a clinical psychologist with a practice address in Commack, New York, and NPI 1649208752, issued on Jun 29, 2006. Check the license (New York 011028, as entered in NPPES) with the New York board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Stephen Lloyd Kaplan
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 011028 NY
Self-reported in NPPES; status is on the state search - Practice location
- 35 Crooked Hill RD Ste 102, Commack, NY 11725
- Phone
- (631) 643-7904
- Enumerated
- Jun 29, 2006
- Record last updated
- Jan 9, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (815) 301-8575
- Medicare enrollment
- Enrolled (PECOS I20110114000678); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 6,558 in New York → Look up another NPI →
Verify Stephen Lloyd Kaplan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich New York board licenses this profession
Search for license 011028Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Epic Long IslandEast Meadow, NY
- Epic Medical Services PCEast Meadow, NY
- Mhh Psychology And Speech-Language Pathology Therapy Services PLLCNew Hyde Park, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Lloyd Kaplan among 6,558 clinical psychologist records in New York
Stephen Lloyd Kaplan, PH.D. is one of 6,558 clinical psychologist records with a practice address in New York. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 75% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1990 · median 1996 among the 1,251 with a school on file
- Record last updated2010 · 73% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 clinical psychologist records list a practice address in Commack
They are 31 of the 1,341 NPPES records with a practice address in Commack, and 6,558 clinical psychologist records in New York.
All 6,558 in New York → Every provider in Commack → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Daniel Boyle, PH.D.Commack, NY 117251184706715
- Michael Eberlin, PH.D.Commack, NY 117251588648919
- Barbara Fisher, PH.D.Commack, NY 117251780737700
- Stephen Guido, PH.D.Commack, NY 117251588698070
- Alan Kaplan, PSY.D.Commack, NY 117251407851686
- Sharon Leon, PH.D.Commack, NY 117251760437255
- Christine Marra, PH.DCommack, NY 117251043238785
- Susan Nissen, PH.D.Commack, NY 117251518015650
Common questions
What is Stephen Lloyd Kaplan, PH.D.'s NPI number?
Stephen Lloyd Kaplan, PH.D.'s National Provider Identifier (NPI) is 1649208752, issued on Jun 29, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Lloyd Kaplan, PH.D. located?
The NPPES record lists a practice address at 35 Crooked Hill RD Ste 102, Commack, NY, 11725. Phone: (631) 643-7904. Providers update this record themselves, so call before visiting.
How can I verify Stephen Lloyd Kaplan, PH.D.'s license?
NPPES lists New York license number 011028, as entered by the provider. Search the New York board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.