William John Farrell, PH.D
Clinical Psychologist · Huntington, NY
William John Farrell, PH.D is a clinical psychologist with a practice address in Huntington, New York, and NPI 1023221348, issued on May 7, 2007. Check the license (New York 6601, as entered in NPPES) with the New York board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William John Farrell
- Credential
- PH.D
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- 6601 NY
Self-reported in NPPES; status is on the state search - Practice location
- 7 High St, Huntington, NY 11743
- Phone
- (631) 423-2767
- Enumerated
- May 7, 2007
- Record last updated
- Oct 9, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (631) 424-0991
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 6,558 in New York → Look up another NPI →
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Verify William John Farrell 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 6601Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William John Farrell among 6,558 clinical psychologist records in New York
William John Farrell, 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 not. Its NPI, issued in 2007, is newer than 25% of them.
- NPI issued2007 · 25% of these records are older, 57% newer
- In a Medicare fileNo · 7% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2012 · 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).
50 clinical psychologist records list a practice address in Huntington
They are 50 of the 1,923 NPPES records with a practice address in Huntington, and 6,558 clinical psychologist records in New York. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 6,558 in New York → Every provider in Huntington → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Monique Belton, PH.D.Huntington, NY 117431699887661
- Kenneth Blank, PSY.D.Huntington, NY 117431083774780
- Jean Cirillo, PHDHuntington, NY 117431891864336
- Suzanne Fessenden, PHDHuntington, NY 117431659398584
- Steven Hartman, PSY.D.Huntington, NY 117431760496459
- Julian Herskowitz, PH.D.Huntington, NY 117431558431304
- Matthew Krivoshey, PSY.D.Huntington, NY 117431295733699
- Steven Lefkowitz, PH.D.Huntington, NY 117431508938788
Common questions
What is William John Farrell, PH.D's NPI number?
William John Farrell, PH.D's National Provider Identifier (NPI) is 1023221348, issued on May 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is William John Farrell, PH.D located?
The NPPES record lists a practice address at 7 High St, Huntington, NY, 11743. Phone: (631) 423-2767. Providers update this record themselves, so call before visiting.
How can I verify William John Farrell, PH.D's license?
NPPES lists New York license number 6601, 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. 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.