DR. PAUL JOHN CALLAHAN PSY.D.
NPI 1114062239
Psychologist - Clinical Child & Adolescent in Cambridge, MA

Active since February 20, 2007PECOS EnrolledAccepts Medicare Assignment
2557 MASSACHUSETTS AVE, CAMBRIDGE, MA 02140(781) 643-1020 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Paul John Callahan Psy.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. PAUL JOHN CALLAHAN PSY.D. (NPI 1114062239) is an individual clinical child & adolescent provider in Cambridge, Massachusetts, licensed in Massachusetts (6376) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1114062239
Entity TypeIndividualMale
Primary Taxonomy103TC2200X
Provider Legal NameDR. PAUL JOHN CALLAHANCredential: PSY.D.
Location Address2557 MASSACHUSETTS AVECambridge, MA 02140-1020
Mailing Address26 Stevens TerArlington, MA 02476-7720 · (781) 643-1531
Sole ProprietorYes
Medical School CMSOtherGraduated 1991
Enumeration DateFebruary 20, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1114062239 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers
Taxonomy Code103TC2200X
License Licensed in MA · 6376
Definition
A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
2557 MASSACHUSETTS AVE, Cambridge, MA 02140

Other Identifiers 1

OtherW05323MA · Bcbs Id #

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Paul John Callahan Psy.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103986385
PECOS Enrollment IDI20081120000901
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 11

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Dietitian, Registered
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Dietitian, Registered
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Social Worker (Clinical)
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Counselor (Mental Health)
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Counselor (Mental Health)
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Psychologist
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140
Social Worker (Clinical)
2557 MASSACHUSETTS AVE
CAMBRIDGE, MA 02140

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Paul Callahan's NPI number?

The NPI number for Paul Callahan is 1114062239. It was assigned to this individual provider in the NPPES registry on February 20, 2007.

Where is Paul Callahan located?

Paul Callahan practices at 2557 Massachusetts Ave, Cambridge, MA 02140. The listed phone number is (781) 643-1020.

What is Paul Callahan's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Is Paul Callahan enrolled in Medicare?

Yes. Paul Callahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Paul Callahan accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Paul Callahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Paul Callahan was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.