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Physician Profile

Gregory R. Alfieri, DO

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At a glance

About Dr. Alfieri

Gregory R. Alfieri, DO is listed as a student in an organized health care education program in Newark, NJ. NPI 1265373716 identifies this record in the national registry.

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

Credentials & Licensing

NPINational Provider Identifier
1265373716Issued 2026

As reported to the NPI registry ↗

Common questions

What kind of doctor is Dr. Alfieri?

Dr. Alfieri is a medical trainee in Newark, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Student in an Organized Health Care Education Program”.

NPI registry

What is Dr. Alfieri's address?

Dr. Alfieri is listed at 185 S Orange Ave Medical Science Building Suite G-595, Newark, NJ 07103. 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. Alfieri?

The number on file is (973) 972-5018. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Alfieri's NPI number?

Dr. Alfieri's National Provider Identifier is 1265373716. 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

Has Dr. Alfieri confirmed this information?

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

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

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