Wilfred Henry Farquharson IV, PhD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2012
- Practice address
- 101 Nicolls Road, Stony Brook, NY 11794
- Practice phone
- Call (631) 638-1561
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Ation - Stony Brook (Nicolls Road)
Behavioral health practice · Stony Brook, New York
Find Wilfred Farquharson's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Wilfred Henry Farquharson IV is a psychologist in Stony Brook, New York
Wilfred Farquharson practices at Ation - Stony Brook (Nicolls Road) in Stony Brook, New York.
Wilfred Farquharson's NPI, 1669734133, was assigned on June 11, 2012. Wilfred Farquharson holds New York license 019230.
- NPI
- 1669734133NPI Registry (opens in a new tab)
- NPI enumeration date
- June 11, 2012
- NPI status
- Active
- Practice phone
- (631) 638-1561
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Wilfred Henry Farquharson IV practices at Ation - Stony Brook (Nicolls Road) in Stony Brook, New York
Wilfred Farquharson's primary practice is Ation - Stony Brook (Nicolls Road), at 101 Nicolls Road, Stony Brook, NY 11794. The practice phone is (631) 638-1561.
- Ation - Stony Brook (Nicolls Road)101 Nicolls Road, Stony Brook, NY 11794Phone(631) 638-1561
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Wilfred Henry Farquharson IV is affiliated with 1 site of care and 1 medical group
Wilfred Farquharson's primary practice is Ation - Stony Brook (Nicolls Road) in Stony Brook, New York. The medical group on file is Stony Brook Psychiatric Associates.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Wilfred Henry Farquharson IV's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Wilfred Farquharson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ation - Stony Brook (Nicolls Road) | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Wilfred Henry Farquharson IV is one of 1,198 psychologists in New York
Psychologist is Wilfred Farquharson's primary specialty in the NPI Registry, under taxonomy code 103T00000X. Wilfred Farquharson is licensed in New York.
Specialties and state licenses
- Psychologist, New YorkPrimary
Psychologists near Wilfred Farquharson
Counts of psychologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Wilfred Henry Farquharson IV's patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Wilfred Farquharson's median patient age at 8, with 100% women.
Wilfred Farquharson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 8
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Sources for Wilfred Henry Farquharson IV's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Wilfred Henry Farquharson IV
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Wilfred Henry Farquharson IV's NPI number?
Wilfred Henry Farquharson IV's NPI number is 1669734133. It was assigned on June 11, 2012, and it is active in the NPI Registry.
What does Wilfred Henry Farquharson IV specialize in?
Wilfred Henry Farquharson IV is a psychologist in Stony Brook, New York. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does Wilfred Henry Farquharson IV practice?
Wilfred Farquharson practices at 101 Nicolls Road, Stony Brook, NY 11794. Wilfred Farquharson's primary practice is Ation - Stony Brook (Nicolls Road) in Stony Brook, New York.
What is Wilfred Henry Farquharson IV's office phone number?
The practice phone on file for Wilfred Farquharson is (631) 638-1561.
What is Wilfred Henry Farquharson IV's medical license number?
Wilfred Farquharson holds New York license 019230.
What medical group is Wilfred Henry Farquharson IV part of?
Wilfred Farquharson is linked to Stony Brook Psychiatric Associates.
How long has Wilfred Henry Farquharson IV been practicing?
Wilfred Farquharson graduated from medical school in 2010, 16 years ago.
Selling to psychologist practices?
See psychologists in New York by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card