CHRISTY CALLAHAN PMHNP-BC, CRNP
NPI 1508237512
Nurse Practitioner - Psychiatric/Mental Health in Severna Park, MD
About Christy Callahan Pmhnp-bc, Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTY CALLAHAN PMHNP-BC, CRNP (NPI 1508237512) is an individual psychiatric/mental health provider in Severna Park, Maryland, licensed in Maryland (R196354) and active in the NPI registry since October 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
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
Christy Callahan Pmhnp-bc, Crnp 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 Christy Callahan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Severna Park, MD 21146
- Reassigned Medicare billing, Maryland enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21146 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SEVERNA PARK, MD 21146
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 Christy Callahan's NPI number?
The NPI number for Christy Callahan is 1508237512. It was assigned to this individual provider in the NPPES registry on October 16, 2015.
Where is Christy Callahan located?
Christy Callahan practices at 539 Benfield Rd Ste 2, Severna Park, MD 21146. The listed phone number is (410) 513-4513.
What is Christy Callahan's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Christy Callahan enrolled in Medicare?
Yes. Christy 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 Christy Callahan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christy Callahan reassigns Medicare benefits to Shine Behavioral Health, LLC (Severna Park, MD). 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 Christy Callahan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Christy Callahan was last updated on July 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Christy Callahan, PMHNP-BC, CRNP · NPI 1508237512
Psychiatric/Mental Health physician in Severna Park, Maryland. Individual provider, active in the CMS NPPES registry since October 16, 2015.
## Identity
- **NPI:** 1508237512 (Entity type: Individual)
- **Enumerated:** October 16, 2015
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** R196354 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 539 BENFIELD RD STE 2, Severna Park, MD 21146-2511
- **Phone:** (410) 513-4513 · **Fax:** (989) 217-5103
## 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:** Shine Behavioral Health, LLC (NPI 1255969713, Severna Park, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** July 12, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1508237512) · Data from the CMS NPPES public registry.