David St. John, PHD, LP
NPI 1760400774 · Psychologist · Ferndale, MI
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David St. John, PHD, LP is a Psychologist provider in Ferndale, MI (NPI 1760400774).
Provider details
- NPI number
- 1760400774
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD, LP
- Sex
- Male
- Sole proprietor
- No
- License
- 6301012887 (MI)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2018-03-14
Frequently asked questions
- What is David St. John's NPI number?
- David St. John's National Provider Identifier (NPI) is 1760400774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David St. John's specialty?
- David St. John is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is David St. John located?
- David St. John's practice location on file with NPPES is 23231 Woodward Ave, Ferndale, MI 48220-1361.
- What is David St. John's phone number?
- The practice phone number listed in the NPPES registry for David St. John is (734) 325-0491.
- Does David St. John accept Medicare?
- David St. John is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David St. John's NPI active?
- Yes — David St. John's NPI (1760400774) is active in the NPPES registry as of the last update on 2018-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.