Provider Profile
William A. Degroot III, MFT
Unclaimed ProfileAbout William Degroot Iii
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (951) 733-4217
- Email not available
Practice Locations
1901 WEST ONTARIO AVE
Corona, CA 92882
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Common questions
What kind of doctor is William A. Degroot III?
William A. Degroot III is a marriage and family therapist in Corona, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Marriage & Family Therapist”.
NPI registry
What is William A. Degroot III's address?
William A. Degroot III is listed at 1901 West Ontario Ave, Corona, CA 92882. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with William A. Degroot III?
The number on file is (951) 733-4217. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for William A. Degroot III?
William A. Degroot III's National Provider Identifier is 1871511857. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How much experience does William A. Degroot III have?
William A. Degroot III has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is William A. Degroot III's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by William A. Degroot III. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.