Provider Profile
John M. Della Porta, PsyD
Unclaimed ProfileAbout Dr. Della Porta
No biography has been added yet. Is this you? Claim this profile to add one.
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.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (202) 234-0903
- Email not available
Practice Locations
1729 21ST ST NW
Washington, DC 20009
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other psychologists at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Common questions
What does Dr. Della Porta specialize in?
Dr. Della Porta is a psychologist in Washington, DC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
Where is Dr. Della Porta located?
Dr. Della Porta is listed at 1729 21St St Nw, Washington, DC 20009. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Della Porta's phone number?
The number on file is (202) 234-0903. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Della Porta?
Dr. Della Porta's National Provider Identifier is 1508484007. 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 Dr. Della Porta have?
Dr. Della Porta has 6+ years experience. Registered with an NPI since 2020. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Is Dr. Della Porta's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Della Porta. 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.