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REBECCA JON-MERRELL CALLAHAN PHARM.D.
NPI 1821835349
Pharmacist - Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Farragut, TN

Active since July 11, 2024
189 BROOKLAWN ST, FARRAGUT, TN 37934(865) 671-7920 Get Directions Write a Review

NPPES record last updated: May 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 10, 2026, Jul 11, 2024 (2 updates tracked since 2024).

About Rebecca Jon-merrell Callahan Pharm.d. NPPES

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

REBECCA JON-MERRELL CALLAHAN PHARM.D. (NPI 1821835349) is an individual pharmacist clinician (phc)/ clinical pharmacy specialist in Farragut, Tennessee, licensed in Tennessee (48111) and active in the NPI registry since July 2024.

NPPES Registry Identity

NPI1821835349
Entity TypeIndividualFemale
Primary Taxonomy1835P0018X
Provider Legal NameREBECCA JON-MERRELL CALLAHANCredential: PHARM.D.
Location Address189 BROOKLAWN STFarragut, TN 37934-2875
Mailing Address3124 Linden AveKnoxville, TN 37914-4537 · (678) 446-9742
Phone(865) 671-7920
Sole ProprietorNo
Enumeration DateJuly 11, 2024
Last NPPES UpdateMay 10, 20262 updates tracked since enumeration
NPPES CertifiedMay 10, 2026
✔ NPI 1821835349 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacist · Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistPharmacy Service Providers
Taxonomy Code1835P0018X
License✔ Licensed in TN · 48111
Definition
Pharmacist Clinician/Clinical Pharmacy Specialist is a pharmacist with additional training and an expanded scope of practice that may include prescriptive authority, therapeutic management, and disease management.
189 BROOKLAWN ST, Farragut, TN 37934
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Other Names 1

Other Name (5)Becca Jon-merrell Callahan Pharm.d.

Other Providers at the Same Location NPPES 20

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

DR. JESSICA BURKHART KEEN PHARM.D.
Pharmacist
189 BROOKLAWN ST
FARRAGUT, TN 37934
Knox County (865) 671-7920
MRS. TARA G. CURRIE R.PH.
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
189 BROOKLAWN ST
FARRAGUT, TN 37934
Knox County (865) 671-7920
ROBERT HOLBROOK PHARMD
Pharmacist
189 BROOKLAWN ST
FARRAGUT, TN 37934
Knox County (865) 671-7917
MS. JENNIFER D VAUGHT FNP-BC
Nurse Practitioner (Family)
189 BROOKLAWN ST
KNOXVILLE, TN 37934
Knox County (865) 392-9136
MR. CHRISTOPHER E LOCKETTE P.A.-C
Physician Assistant
189 BROOKLAWN ST
KNOXVILLE, TN 37934
Knox County (865) 392-9136
DR. JAMES B KNIGHT PHARMD
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
189 BROOKLAWN ST
FARRAGUT, TN 37934
Knox County (865) 671-7920
MRS. ALEXANDRA S HOWE RPH
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
189 BROOKLAWN ST
FARRAGUT, TN 37934
Knox County (865) 671-7920
SHARON CATHERS NP-C
Nurse Practitioner (Family)
189 BROOKLAWN ST
FARRAGUT, TN 37934
Knox County (615) 425-4241

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 Rebecca Callahan's NPI number?

The NPI number for Rebecca Callahan is 1821835349. It was assigned to this individual provider in the NPPES registry on July 11, 2024. The provider is also known as Becca Jon-Merrell Callahan Pharm.D..

Where is Rebecca Callahan located?

Rebecca Callahan practices at 189 Brooklawn St, Farragut, TN 37934. The listed phone number is (865) 671-7920.

What is Rebecca Callahan's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist, with taxonomy code 1835P0018X.

When was this NPI record last updated?

The NPPES record for Rebecca Callahan was last updated on May 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months 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.