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Physician Profile

Marc S. Ernstoff, MD

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At a glance

About Dr. Ernstoff

Marc S. Ernstoff, MD practices medical oncology in Frederick, MD. The provider's National Provider Identifier (NPI) is 1275549073.

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

Specialty

Medical Oncology (Primary)

Credentials & Licensing

NY licenceAs reported to the NPI registry
No. 138461As reported
NPINational Provider Identifier
1275549073Issued 2006

As reported to the NPI registry ↗

Common questions

What does Dr. Ernstoff specialize in?

Dr. Ernstoff is an oncologist in Frederick, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Medical Oncology”.

NPI registry

Where is Dr. Ernstoff located?

Dr. Ernstoff is listed at 5014 Judicial Way, Frederick, MD 21703. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Ernstoff's phone number?

The number on file is (216) 559-6577. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Ernstoff?

Dr. Ernstoff's National Provider Identifier is 1275549073. 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

How much experience does Dr. Ernstoff have?

Dr. Ernstoff has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is Dr. Ernstoff's profile verified?

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

Guide.md

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