Margaret Mahaffy, PMHNP
NPI 1215724828 · Psychiatric/Mental Health Nurse Practitioner · Newport News, VA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Mahaffy, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Newport News, VA (NPI 1215724828).
Provider details
- NPI number
- 1215724828
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0024194372 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-04-24
- Last updated
- 2025-10-15
- Certified
- 2025-10-15
Frequently asked questions
- What is Margaret Mahaffy's NPI number?
- Margaret Mahaffy's National Provider Identifier (NPI) is 1215724828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Mahaffy's specialty?
- Margaret Mahaffy is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Mahaffy located?
- Margaret Mahaffy's practice location on file with NPPES is 825 Diligence Dr Ste 100, Newport News, VA 23606-4271.
- What is Margaret Mahaffy's phone number?
- The practice phone number listed in the NPPES registry for Margaret Mahaffy is (757) 310-6900.
- Does Margaret Mahaffy accept Medicare?
- Margaret Mahaffy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Mahaffy's NPI active?
- Yes — Margaret Mahaffy's NPI (1215724828) is active in the NPPES registry as of the last update on 2025-10-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.