DEIRDRE LYNN CALLAHAN
NPI 1851935894
Registered Nurse - Psychiatric/Mental Health in Attleboro, MA
About Deirdre Lynn Callahan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEIRDRE LYNN CALLAHAN (NPI 1851935894) is an individual psychiatric/mental health provider in Attleboro, Massachusetts, licensed in Massachusetts (RN2301072) and active in the NPI registry since November 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Deirdre Lynn Callahan is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Deirdre Callahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Attleboro, MA 02703
- Reassigned Medicare billing, Massachusetts enrollment
- 6 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ATTLEBORO, MA 02703
ATTLEBORO, MA 02703
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 Deirdre Callahan's NPI number?
The NPI number for Deirdre Callahan is 1851935894. It was assigned to this individual provider in the NPPES registry on November 2, 2019.
Where is Deirdre Callahan located?
Deirdre Callahan practices at 24 Park St, Attleboro, MA 02703. The listed phone number is (774) 319-9257.
What is Deirdre Callahan's specialty?
The primary specialty registered for this NPI is Registered Nurse, specializing in Psychiatric/Mental Health, with taxonomy code 163WP0808X.
Is Deirdre Callahan enrolled in Medicare?
Yes. Deirdre Callahan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Deirdre Callahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Deirdre Callahan reassigns Medicare benefits to New England Center For Psychiatric And Addiction Disorders, LLC (Attleboro, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Deirdre Callahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Deirdre Callahan accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Deirdre Callahan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Deirdre Callahan was last updated on February 18, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.
# Deirdre Lynn Callahan · NPI 1851935894
Psychiatric/Mental Health provider in Attleboro, Massachusetts. Individual provider, active in the CMS NPPES registry since November 2, 2019.
## Identity
- **NPI:** 1851935894 (Entity type: Individual)
- **Enumerated:** November 2, 2019
- **Primary specialty:** Registered Nurse - Psychiatric/Mental Health · taxonomy 163WP0808X
- **State license:** RN2301072 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 24 PARK ST, Attleboro, MA 02703-2338
- **Phone:** (774) 319-9257
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** New England Center For Psychiatric And Addiction Disorders, LLC (NPI 1154713030, Attleboro, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** February 18, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1851935894) · Data from the CMS NPPES public registry.