What is Madison Dejong's NPI number?

Madison Dejong's National Provider Identifier (NPI) is 1578493714, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Madison Dejong's specialty?

Madison Dejong is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Madison Dejong located?

Madison Dejong's practice location on file with NPPES is 555 N Duke St, Lancaster, PA 17602-2207.

What is Madison Dejong's phone number?

The practice phone number listed in the NPPES registry for Madison Dejong is (717) 544-4950.

Is Madison Dejong's NPI active?

Yes — Madison Dejong's NPI (1578493714) is active in the NPPES registry as of the last update on 2026-05-20.

IndividualActive

Madison Dejong, MD

NPI 1578493714 · Family Medicine Physician · Lancaster, PA

Madison Dejong, MD is a Family Medicine Physician provider in Lancaster, PA (NPI 1578493714).

Provider details

NPI number: 1578493714
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: MT-236143 (PA)

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense MT-236143 (PA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

555 N Duke St

Lancaster, PA 17602-2207

Phone: (717) 544-4950

Street-level locationGet directions

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Mailing address