Meghan O'Brien, PMHNP-BC
NPI 1821891052 · Psychiatric/Mental Health Nurse Practitioner · Fairfax, VA
Meghan O'Brien, PMHNP-BC is a Psychiatric/Mental Health Nurse Practitioner provider in Fairfax, VA (NPI 1821891052).
Provider details
- NPI number
- 1821891052
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 24193049 (VA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing 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
- 2025-03-31
- Last updated
- 2025-03-31
- Certified
- 2025-03-31
Frequently asked questions
- What is Meghan O'Brien's NPI number?
- Meghan O'Brien's National Provider Identifier (NPI) is 1821891052, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Meghan O'Brien's specialty?
- Meghan O'Brien is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Meghan O'Brien located?
- Meghan O'Brien's practice location on file with NPPES is 3554 Chain Bridge Rd Ste 200, Fairfax, VA 22030-2709.
- What is Meghan O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Meghan O'Brien is (703) 896-7628.
- Is Meghan O'Brien's NPI active?
- Yes — Meghan O'Brien's NPI (1821891052) is active in the NPPES registry as of the last update on 2025-03-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.