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Provider Profile

Caroline E. O'Brien, FNP-C

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Where to find Caroline E. O'Brien, FNP-C

About Caroline O'brien

Listed in the NPI registry as a nurse practitioner, Caroline E. O'Brien, FNP-C practices in Medford, MA. Caroline is also listed as specializing in nurse practitioner — family and registered nurse. NPI 1124828801 identifies this record in the national registry.

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

Education & Training

School Other Graduated: 2024

Specialty

Nurse Practitioner (Primary)
Registered Nurse (Additional)

Credentials & Licensing

MA licenceAs reported to the NPI registry
No. RN2333758As reported
NH licenceAs reported to the NPI registry
No. 093013-21SAs reported
NPINational Provider Identifier
1124828801Issued 2025

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 kind of doctor is Caroline E. O'Brien?

Caroline E. O'Brien is a nurse practitioner in Medford, MA. That is the designation recorded for this NPI in the federal registry.

NPI registry

What is Caroline E. O'Brien's address?

Caroline E. O'Brien is listed at 22 Franklin St, Medford, MA 02155. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

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

The number on file is (781) 350-8571. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Caroline E. O'Brien?

Caroline E. O'Brien's National Provider Identifier is 1124828801. 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

Where did Caroline E. O'Brien train?

Caroline E. O'Brien attended Other, graduating in 2024. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Caroline E. O'Brien have?

Caroline E. O'Brien has 2 years experience. Calculated from a graduation year of 2024, reported in the CMS National Downloadable File.

CMS public data

Is Caroline E. O'Brien's profile verified?

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

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