David Gregory St. John, LP, PhD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 23231 Woodward Ave, Ferndale, MI 48220
- Practice phone
- Call (248) 581-8777
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fairsky Foundation
Ferndale, Michigan
Find David St. John'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.
David Gregory St. John is a psychologist in Ferndale, Michigan
David St. John practices at Fairsky Foundation in Ferndale, Michigan.
David St. John's NPI, 1760400774, was assigned on July 17, 2006. David St. John holds Michigan license 6301012887.
- NPI
- 1760400774NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648287268
- NPI enumeration date
- July 17, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (248) 581-8777
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
David Gregory St. John practices at Fairsky Foundation in Ferndale, Michigan
David St. John's primary practice is Fairsky Foundation, at 23231 Woodward Ave, Ferndale, MI 48220 in Oakland County. The practice phone is (248) 581-8777.
- Fairsky Foundation23231 Woodward Ave, Ferndale, MI 48220 · Oakland CountyPhone(248) 581-8777
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David Gregory St. John is affiliated with 2 sites of care and 1 medical group
David St. John's primary practice is Fairsky Foundation in Ferndale, Michigan. The medical group on file is FairSky Foundation. Dmand AI also links David St. John to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David Gregory St. John's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David St. John practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fairsky Foundation | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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David Gregory St. John is one of 864 psychologists in Michigan
Psychologist is David St. John's primary specialty in the NPI Registry, under taxonomy code 103T00000X. David St. John is licensed in Michigan.
Specialties and state licenses
- Psychologist, MichiganPrimary
Psychologists near David St. John
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
David Gregory St. John's patients have a median age of 33
Across all payers, Dmand AI patient panel data puts David St. John's median patient age at 33, with 62% women.
David St. John's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women62%
- Men38%
Source: Dmand AI Patient Panel Data
How David Gregory St. John takes part in Medicare
David St. John accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Sources for David Gregory St. John'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 David Gregory St. John
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David Gregory St. John's NPI number?
David Gregory St. John's NPI number is 1760400774. It was assigned on July 17, 2006, and it is active in the NPI Registry.
What does David Gregory St. John specialize in?
David Gregory St. John is a psychologist in Ferndale, Michigan. The primary specialty in the NPI Registry is Psychologist (taxonomy code 103T00000X).
Where does David Gregory St. John practice?
David St. John practices at 23231 Woodward Ave, Ferndale, MI 48220. David St. John's primary practice is Fairsky Foundation in Ferndale, Michigan. Dmand AI also links David St. John to 1 group practice or clinic.
What is David Gregory St. John's office phone number?
The practice phone on file for David St. John is (248) 581-8777.
What is David Gregory St. John's medical license number?
David St. John holds Michigan license 6301012887.
What medical group is David Gregory St. John part of?
David St. John is linked to FairSky Foundation.
Does David Gregory St. John accept Medicare?
Yes. CMS lists David St. John as accepting Medicare assignment.
How long has David Gregory St. John been practicing?
David St. John graduated from medical school in 2004, 22 years ago.
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