MS. ANNETTE R CALLAHAN LCSWC
NPI 1104020874
Social Worker - Clinical in Timonium, MD

Active since June 14, 2007PECOS Enrolled
1205 YORK RD STE 14, TIMONIUM, MD 21093(410) 757-2077 Get Directions Write a Review

NPPES record last updated: January 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 28, 2026, Mar 17, 2018 (2 updates tracked since 2018).

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

NPI1104020874
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. ANNETTE R CALLAHANCredential: LCSWC
Location Address1205 YORK RD STE 14Timonium, MD 21093-6211
Mailing Address1205 York Rd Ste 14Timonium, MD 21093-6211 · (410) 757-2077
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateJune 14, 2007
Last NPPES UpdateJanuary 28, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 28, 2026
NPI 1104020874 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in MD · 10971
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
1205 YORK RD STE 14, Timonium, MD 21093

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).

PECOS PAC ID7012496904
PECOS Enrollment IDI20260211000025
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.

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.

New Patient
$0.00 typical visit price
range $60.73 – $183.44
Typical copayment $0.00 (range $15.18 – $45.86)
Most-billed visit code NA
Established Patient
$75.47 typical visit price
range $19.60 – $149.17
Typical copayment $18.86 (range $4.90 – $37.29)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Psychologist (Clinical)
1205 YORK RD STE 14
TIMONIUM, MD 21093
Counselor (Mental Health)
1205 YORK RD STE 14
TIMONIUM, MD 21093
Psychiatry & Neurology (Psychiatry)
1205 YORK RD STE 14
TIMONIUM, MD 21093
Psychologist
1205 YORK RD STE 14
TIMONIUM, MD 21093
Psychiatry & Neurology (Psychiatry)
1205 YORK RD STE 14
TIMONIUM, MD 21093
Nurse Practitioner (Psychiatric/Mental Health)
1205 YORK RD STE 14
TIMONIUM, MD 21093
Counselor (Professional)
1205 YORK RD STE 14
TIMONIUM, MD 21093
Social Worker (Clinical)
1205 YORK RD STE 14
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.