OrganizationActive
Adam O'Neill & Associates LLC
NPI 1346921905 · Psychiatry Physician · Fairfax, VA
Adam O'Neill & Associates LLC is a Psychiatry Physician organization in Fairfax, VA (NPI 1346921905).
Provider details
- NPI number
- 1346921905
- Entity type
- Organization
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Adam O'Neill, Owner(703) 261-4177
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs 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
8324 Professional Hill Dr
Fairfax, VA 22031-4611
Phone: (703) 261-4177
Street-level locationGet directions
Mailing address
8324 Professional Hill Dr
Fairfax, VA 22031-4611
Registry dates
- Enumerated
- 2023-07-27
- Last updated
- 2023-07-27
- Certified
- 2023-07-27
Frequently asked questions
- What is Adam O'Neill & Associates LLC's NPI number?
- Adam O'Neill & Associates LLC's National Provider Identifier (NPI) is 1346921905, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Adam O'Neill & Associates LLC?
- Adam O'Neill & Associates LLC is classified in the NPPES registry as Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Adam O'Neill & Associates LLC located?
- Adam O'Neill & Associates LLC's practice location on file with NPPES is 8324 Professional Hill Dr, Fairfax, VA 22031-4611.
- What is Adam O'Neill & Associates LLC's phone number?
- The practice phone number listed in the NPPES registry for Adam O'Neill & Associates LLC is (703) 261-4177.
- Who is the authorized official for Adam O'Neill & Associates LLC?
- The authorized official listed on Adam O'Neill & Associates LLC's NPPES record is Adam O'Neill, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Adam O'Neill & Associates LLC's NPI active?
- Yes — Adam O'Neill & Associates LLC's NPI (1346921905) is active in the NPPES registry as of the last update on 2023-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.