Are you Paul J. Callahan, PsyD? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 2557 Massachusetts Ave, Cambridge, MA 02140
About Dr. Callahan
Paul J. Callahan, PsyD is a psychologist — clinical child & adolescent based in Cambridge, MA. The provider's National Provider Identifier (NPI) is 1114062239.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (781) 643-1020
- Email not available
Practice Locations
2557 MASSACHUSETTS AVE
Cambridge, MA 02140
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other psychologists in Cambridge 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Paul J. Callahan?
Paul J. Callahan is a psychologist in Cambridge, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical Child & Adolescent”.
NPI registry
What is Paul J. Callahan's address?
Paul J. Callahan is listed at 2557 Massachusetts Ave, Cambridge, MA 02140. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Paul J. Callahan?
The number on file is (781) 643-1020. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Paul J. Callahan?
Paul J. Callahan's National Provider Identifier is 1114062239. 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
Where did Paul J. Callahan train?
Paul J. Callahan attended Other, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Paul J. Callahan have?
Paul J. Callahan has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
Is Paul J. Callahan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Paul J. Callahan. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.