ROBERT S. CALLAHAN, M.D., P.A.
NPI 1992841019
Family Medicine in Newark, DE

Q: What is Robert S. Callahan, M.D., P.A.'s NPI number?

The NPI number for Robert S. Callahan, M.D., P.A. is 1992841019. It was assigned to this organization in the NPPES registry on January 29, 2007.

Q: What is Robert S. Callahan, M.D., P.A.'s specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Active since January 29, 2007

665 CHURCHMANS RD, NEWARK, DE 19702(302) 731-0942(302) 731-7100 Get Directions Write a Review

NPPES record last updated: October 29, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Robert S. Callahan, M.d., P.a. NPPES

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

ROBERT S. CALLAHAN, M.D., P.A. (NPI 1992841019) is a healthcare organization registered as a family medicine in Newark, Delaware and active in the NPI registry since January 2007. The organization lists Robert S Callahan, Owner, as its authorized official.

NPPES Registry Identity

NPI1992841019

Entity TypeOrganization

Primary Taxonomy207Q00000X

Legal Business NameROBERT S. CALLAHAN, M.D., P.A.

Location Address665 CHURCHMANS RDNewark, DE 19702-1918

Mailing Address665 Churchmans RdNewark, DE 19702-1918 · (302) 731-0942 · Fax (302) 731-7100

Phone(302) 731-0942

Fax(302) 731-7100

Organization SubpartNo

Authorized OfficialRobert S CallahanOwner · (302) 731-0942

Enumeration DateJanuary 29, 2007

Last NPPES UpdateOctober 29, 2007

✔ NPI 1992841019 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in DE · C1-0008123

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

665 CHURCHMANS RD, Newark, DE 19702

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Other Identifiers 1

Medicare PING02399DE

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 8

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

ALYSSA SCHWEIZER

Nurse Practitioner (Family)