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Physician Profile

John R. Gavencak, MD

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At a glance

About Dr. Gavencak

Based in East Rockaway, NY, John R. Gavencak, MD is listed in the NPI registry under allergy. John graduated from New York Medical College in 1974. NPI 1821089392 identifies this record in the national registry.

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

Education & Training

Specialty

Allergy (Primary)

Credentials & Licensing

NY licenceAs reported to the NPI registry
No. 124874As reported
NPINational Provider Identifier
1821089392Issued 2005

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 does Dr. Gavencak specialize in?

Dr. Gavencak is an allergy in East Rockaway, NY. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where is Dr. Gavencak located?

Dr. Gavencak is listed at 400 Atlantic Ave, East Rockaway, NY 11518. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Gavencak's phone number?

The number on file is (516) 599-2732. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Gavencak's NPI number?

Dr. Gavencak's National Provider Identifier is 1821089392. 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 Dr. Gavencak go to medical school?

Dr. Gavencak attended New York Medical College, graduating in 1974. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Gavencak been practicing?

Dr. Gavencak has 52 years experience. Calculated from a graduation year of 1974, reported in the CMS National Downloadable File.

CMS public data

Has Dr. Gavencak confirmed this information?

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

Guide.md

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

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