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Physician Profile

Barbara O'Sullivan, MD

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At a glance

About Dr. O'sullivan

Based in New York, NY, Barbara O'Sullivan, MD is listed in the NPI registry under critical care medicine. Barbara graduated from Medical College of Pennsylvania in 1983. According to Medicare claims data, Barbara cared for 61 Medicare patients across 61 services. The services billed most often include emergency department visit with high level of medical decision making and emergency department visit with moderate level of medical decision making. NPI 1942240494 identifies this record in the national registry.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Specialty

Credentials & Licensing

NY licenceAs reported to the NPI registry
No. 166615As reported
NPINational Provider Identifier
1942240494Issued 2006

As reported to the NPI registry ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What is Dr. O'Sullivan's specialty?

Dr. O'Sullivan is a critical care physician in New York, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Critical Care Medicine”.

NPI registry

Where can I find Dr. O'Sullivan?

Dr. O'Sullivan is listed at 1275 York Ave, New York, NY 10021. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. O'Sullivan?

The number on file is (212) 639-2000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. O'Sullivan's NPI number?

Dr. O'Sullivan's National Provider Identifier is 1942240494. 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

What is Dr. O'Sullivan's medical education?

Dr. O'Sullivan attended Medical College of Pennsylvania, graduating in 1983. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. O'Sullivan been practicing?

Dr. O'Sullivan has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.

CMS public data

What is Dr. O'Sullivan known for?

According to Medicare billing data, Dr. O'Sullivan the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. O'Sullivan confirmed this information?

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

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.