Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Jessica Zong Lee An, MD

Individual provider Internal Medicine Physician · NPI 1740867035

Jessica Zong Lee An, MD is an Internal Medicine in Wilmington, Delaware. Graduated from University of Pittsburgh School of Medicine in 2021, 5 years ago. Practices with Christiana Care Health Services Inc, a 1,481-clinician group and accepts Medicare assignment. Licensed in Delaware.

Years since qualifying
5
Trained at
University of Pittsburgh School of Medicine
Licensed in
DE
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

501 W 14th St
Wilmington, DE 19801-1013
Phone: (302) 320-4410
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence C1-0028074 (DE)
Pediatrics Physician Taxonomy 208000000X · Licence C1-0028074 (DE)

Record details

NPI number1740867035
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 24, 2021
Last updated in NPPESSeptember 9, 2025
Certification dateSeptember 9, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Also practisesPEDIATRIC MEDICINE
Medical schoolUNIVERSITY OF PITTSBURGH SCHOOL OF MEDICINE
Graduated 2021 (5 years in practice)
Group practice Christiana Care Health Services Inc — 1481 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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