MARGARET MAHAFFY PMHNP
NPI 1215724828
Nurse Practitioner - Psychiatric/Mental Health in Newport News, VA
About Margaret Mahaffy Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET MAHAFFY PMHNP (NPI 1215724828) is an individual psychiatric/mental health provider in Newport News, Virginia, licensed in Virginia (0024194372) and active in the NPI registry since April 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses 2
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
Margaret Mahaffy Pmhnp 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 Margaret Mahaffy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newport News, VA 23606
- Reassigned Medicare billing, Virginia enrollment
- 26 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 23606 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEWPORT NEWS, VA 23606
NEWPORT NEWS, VA 23606
NEWPORT NEWS, VA 23606
NEWPORT NEWS, VA 23606
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 Margaret Mahaffy's NPI number?
The NPI number for Margaret Mahaffy is 1215724828. It was assigned to this individual provider in the NPPES registry on April 24, 2025.
Where is Margaret Mahaffy located?
Margaret Mahaffy practices at 825 Diligence Dr Ste 100, Newport News, VA 23606. The listed phone number is (757) 310-6900.
What is Margaret Mahaffy's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Margaret Mahaffy enrolled in Medicare?
Yes. Margaret Mahaffy 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 Margaret Mahaffy's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Mahaffy reassigns Medicare benefits to Coastal Medical And Psychiatric Services Inc. (Newport News, VA). 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 Margaret Mahaffy'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 Margaret Mahaffy was last updated on October 15, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Margaret Mahaffy, PMHNP · NPI 1215724828
Psychiatric/Mental Health physician in Newport News, Virginia. Individual provider, active in the CMS NPPES registry since April 24, 2025.
## Identity
- **NPI:** 1215724828 (Entity type: Individual)
- **Enumerated:** April 24, 2025
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 0024194372 (Virginia)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 825 DILIGENCE DR STE 100, Newport News, VA 23606-4271
- **Phone:** (757) 310-6900
## 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:** Coastal Medical And Psychiatric Services Inc. (NPI 1134460132, Newport News, VA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** October 15, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1215724828) · Data from the CMS NPPES public registry.