Provider Profile

Caitlin O'Brien

Unclaimed Profile

About Caitlin O'brien

No biography has been added yet. Is this you? Claim this profile to add one.

Specialty

Physician Assistant — Medical (Primary)

Credentials & Licensing

NPI1972431773
NPI issued05/12/2026

Source: NPPES NPI Registry

Common questions

What kind of doctor is Dr. O'Brien?

Dr. O'Brien is a physician assistant in New York, NY. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Physician Assistant — Medical”.

NPI registry

What is Dr. O'Brien's address?

Dr. O'Brien is listed at 1468 MADISON AVE, New York, NY 10029. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. O'Brien?

The number on file is (212) 241-6500. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. O'Brien?

Dr. O'Brien's National Provider Identifier is 1972431773. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

Is Dr. O'Brien's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.