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Physician Profile

Madison M. Dejong, MD

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At a glance

About Dr. Dejong

Madison M. Dejong, MD is a healthcare provider in Lancaster, PA specializing in family medicine. This provider record is associated with NPI 1578493714.

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

Specialty

Family Medicine (Primary)

Credentials & Licensing

PA licenceAs reported to the NPI registry
No. MT-236143As reported
NPINational Provider Identifier
1578493714Issued 2026

As reported to the NPI registry ↗

Medicare information

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. Dejong specialize in?

Dr. Dejong is a family doctor in Lancaster, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.

NPI registry

Where is Dr. Dejong located?

Dr. Dejong is listed at 555 N Duke St, Lancaster, PA 17602. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Dejong's phone number?

The number on file is (717) 544-4950. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Dejong's NPI number?

Dr. Dejong's National Provider Identifier is 1578493714. 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. Dejong confirmed this information?

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

Guide.md

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