Caitlin O'Brien
NPI 1972431773 · Medical Physician Assistant · New York, NY
Caitlin O'Brien is a Medical Physician Assistant provider in New York, NY (NPI 1972431773).
Provider details
- NPI number
- 1972431773
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
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
Under 1 yr in registry
- Profile completeness38% of score
83% 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
- 2026-05-12
- Last updated
- 2026-05-12
- Certified
- 2026-05-12
Frequently asked questions
- What is Caitlin O'Brien's NPI number?
- Caitlin O'Brien's National Provider Identifier (NPI) is 1972431773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caitlin O'Brien's specialty?
- Caitlin O'Brien is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Caitlin O'Brien located?
- Caitlin O'Brien's practice location on file with NPPES is 1468 Madison Ave, New York, NY 10029-6508.
- What is Caitlin O'Brien's phone number?
- The practice phone number listed in the NPPES registry for Caitlin O'Brien is (212) 241-6500.
- Is Caitlin O'Brien's NPI active?
- Yes — Caitlin O'Brien's NPI (1972431773) is active in the NPPES registry as of the last update on 2026-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.