MS. ANNETTE R CALLAHAN LCSWC
NPI 1104020874
Social Worker - Clinical in Timonium, MD
About Ms. Annette R Callahan Lcswc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ANNETTE R CALLAHAN LCSWC (NPI 1104020874) is an individual clinical provider in Timonium, Maryland, licensed in Maryland (10971) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Annette R Callahan Lcswc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21093 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TIMONIUM, MD 21093
TIMONIUM, MD 21093
TIMONIUM, MD 21093
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 Annette Callahan's NPI number?
The NPI number for Annette Callahan is 1104020874. It was assigned to this individual provider in the NPPES registry on June 14, 2007.
Where is Annette Callahan located?
Annette Callahan practices at 1205 York Rd Ste 14, Timonium, MD 21093. The listed phone number is (410) 757-2077.
What is Annette Callahan's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Annette Callahan enrolled in Medicare?
Yes. Annette Callahan is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Annette Callahan was last updated on January 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.