MARGARET MAHAFFY (PMHNP) – Psychiatric/Mental Health Nurse Practitioner, NPI 1215724828

MARGARET MAHAFFY (PMHNP) is a healthcare provider. based in Newport news, Virginia. specializing in NURSE PRACTITIONER. They hold the professional credentials PMHNP. They hold a License No. 0024194372 (VA). The NPI Number for MARGARET MAHAFFY (PMHNP) is 1215724828

Main info

Female
Sole Proprietor
21 Years Of Experience
Accepts Medicare Assignment
Name
MARGARET MAHAFFY (PMHNP)
NPI
1215724828
Phone
(757) 310-6900
Address
825 DILIGENCE DR STE 100
Enumeration Date
24 April 2025
Last Update Date
15 October 2025

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7573106900
Graduation Year
2005 (21 years ago)
PAC ID
4385123652
Group Practice PAC ID
4183948060
Professional Enrollment ID
I20260206002094
Address ID
VA236064271NE825XXDRXX301
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience35
Completeness85
Years active:1State licenses:2Digital endpointsOther names

8,303 NURSE PRACTITIONER in VA

Provider Addresses for MARGARET MAHAFFY (PMHNP)

  • 825 DILIGENCE DR STE 100

    NEWPORT NEWS, VA 236064271

    Phone: (757) 310-6900

    Type: Location

  • 106 MARL RAVINE RD

    YORKTOWN, VA 236924202

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2026-02-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20260206002094INurse PractitionerVATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 23606)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 4183948060View full group profile
NameSpecialtyState
Physician AssistantVA
P S Y C H I A T R YVA
Nurse PractitionerVA
Clinical Social WorkerVA
Clinical Social WorkerVA
Physician AssistantVA
Mental Health CounselorVA
Mental Health CounselorVA
Mental Health CounselorVA
Nurse PractitionerVA

Reviews

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Frequently asked questions

What is the 10-digit NPI for MARGARET MAHAFFY (PMHNP)?
MARGARET MAHAFFY (PMHNP) — NPI 1215724828 — is the standard way to identify this listing.
Is MARGARET MAHAFFY (PMHNP) listed as active for patients and plans?
The listing shows MARGARET MAHAFFY (PMHNP) as active in the NPI system.
What taxonomy line describes MARGARET MAHAFFY (PMHNP)?
For research purposes, treat MARGARET MAHAFFY (PMHNP) as Psychiatric/Mental Health Nurse Practitioner in this dataset. Clinical services aligned with this taxonomy classification.
Where is MARGARET MAHAFFY (PMHNP) based?
MARGARET MAHAFFY (PMHNP) is tied to Newport News, Virginia in the data we show; additional addresses may exist on the full record.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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