David Gregory St. John, PHD, LP
Psychologist · Ferndale, MI
David Gregory St. John, PHD, LP is a psychologist with a practice address in Ferndale, Michigan, and NPI 1760400774, issued on Jul 17, 2006. Check the license (Michigan 6301012887, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Gregory St. John
- Credential
- PHD, LP
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 6301012887 MI
Self-reported in NPPES; status is on the state search - Practice location
- 23231 Woodward Ave, Ferndale, MI 48220
- Phone
- (734) 325-0491
- Enumerated
- Jul 17, 2006
- Record last updated
- Mar 14, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180514001946); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest psychologist records → All 2,549 in Michigan → Look up another NPI →
Also registered at 23231 Woodward Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Christopher Bober, LPClinical Psychologist1144599077
- Taylor Bryant, LLMSWClinical Social Worker1013520923
- Melissa Chivis, LMSWClinical Social Worker1902215445
- Shuhrat ChoudhuryProfessional Counselor1144099391
- Matthew Daher, LPCProfessional Counselor1174277115
Verify David Gregory St. John in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 6301012887Check 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 one group practice
- Fairsky FoundationFerndale, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Gregory St. John among 2,549 psychologist records in Michigan
David Gregory St. John, PHD, LP is one of 2,549 psychologist records with a practice address in Michigan. 6% 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, 76% newer
- In a Medicare fileYes · 6% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated2004 · median 1999 among the 308 with a school on file
- Record last updated2018 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103T00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
16 psychologist records list a practice address in Ferndale
They are 16 of the 487 NPPES records with a practice address in Ferndale, and 2,549 psychologist records in Michigan.
All 2,549 in Michigan → Every provider in Ferndale → Psychologist nationwide →
The 8 psychologist records with the nearest ZIP codes
- Nicola Bernard, PHD LPFerndale, MI 482201891383279
- Andreia De Almeida Schulte, PSYDFerndale, MI 482201386116556
- Gabriella DuffFerndale, MI 482201053239459
- Riahanah Gause, M.S., LLPFerndale, MI 482201134873557
- Christina GotbergFerndale, MI 482201134443708
- Denise Lavender JonesFerndale, MI 482201619737376
- Adam Lotfi, PSY.D.Ferndale, MI 482201528748381
- Dana Manning, LLPFerndale, MI 482201548146798
Common questions
What is David Gregory St. John, PHD, LP's NPI number?
David Gregory St. John, PHD, LP's National Provider Identifier (NPI) is 1760400774, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is David Gregory St. John, PHD, LP located?
The NPPES record lists a practice address at 23231 Woodward Ave, Ferndale, MI, 48220. Phone: (734) 325-0491. Providers update this record themselves, so call before visiting.
How can I verify David Gregory St. John, PHD, LP's license?
NPPES lists Michigan license number 6301012887, as entered by the provider. Search the Michigan 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.