What is David Callahan's NPI number?

David Callahan's National Provider Identifier (NPI) is 1205865797, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is David Callahan's specialty?

David Callahan is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).

Where is David Callahan located?

David Callahan's practice location on file with NPPES is 449 Route 130, Sandwich, MA 02563.

What is David Callahan's phone number?

The practice phone number listed in the NPPES registry for David Callahan is (508) 888-7744.

Is David Callahan's NPI active?

Yes — David Callahan's NPI (1205865797) is active in the NPPES registry as of the last update on 2013-01-30.

IndividualActive

David Callahan, PH.D.

NPI 1205865797 · Psychologist · Sandwich, MA

David Callahan, PH.D. is a Psychologist provider in Sandwich, MA (NPI 1205865797).

Provider details

NPI number: 1205865797
Entity type: Individual
Primary specialty: PsychologistBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Male
Sole proprietor: No
License: 4061 (MA)

Specialties & taxonomies

PsychologistPrimary103T00000XLicense 4061 (MA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(91/100 index)

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

449 Route 130

Suite 12

Sandwich, MA 02563

Phone: (508) 888-7744

Fax: (508) 888-7725

Street-level locationGet directions

More MA providers

Mailing address

P.o. Box 1037