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JESSICA ZONG LEE AN MD
NPI 1740867035
Internal Medicine in Wilmington, DE

Active since March 24, 2021PECOS EnrolledAccepts Medicare Assignment
501 W 14TH ST, WILMINGTON, DE 19801(302) 320-4410 Get Directions Write a Review

NPPES record last updated: September 9, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Sep 9, 2025, Mar 24, 2021 (2 updates tracked since 2021).

About Jessica Zong Lee An Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JESSICA ZONG LEE AN MD (NPI 1740867035) is an individual internal medicine provider in Wilmington, Delaware, licensed in Delaware (C1-0028074) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (2021).

NPPES Registry Identity

NPI1740867035
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameJESSICA ZONG LEE ANCredential: MD
Location Address501 W 14TH STWilmington, DE 19801-1013
Mailing Address501 W 14th StWilmington, DE 19801-1013 · (302) 320-4410
Phone(302) 320-4410
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 2021
Enumeration DateMarch 24, 2021
Last NPPES UpdateSeptember 9, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2025
✔ NPI 1740867035 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in DE · C1-0028074
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X · License C1-0028074 (DE)

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jessica Zong Lee An Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4789189457
PECOS Enrollment IDI20250924001367
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$131.15 typical visit price
range $57.12 – $173.08
Typical copayment $32.78 (range $14.28 – $43.27)
Most-billed visit code 99204
Established Patient
$100.68 typical visit price
range $18.36 – $141.05
Typical copayment $25.17 (range $4.59 – $35.26)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTIANA CARE HEALTH SERVICES, INC
Rehabilitation Unit
501 W 14TH ST
WILMINGTON, DE 19801
New Castle County (302) 623-7000
TERRY L HORTON MD
Internal Medicine
501 W 14TH ST, ROOM 5236
WILMINGTON, DE 19801
New Castle County (302) 428-4574
MR. KRISTOPHER STARR APN
Nurse Practitioner (Family)
501 W 14TH ST, EMERGENCY DEPARTMENT
WILMINGTON, DE 19801
New Castle County (302) 320-4180
REGAN LEE MASSEY
Student in an Organized Health Care Education/Training Program
501 W 14TH ST
WILMINGTON, DE 19801
New Castle County (302) 733-1000
MS. GINGER LYNNE COWELL NP
Nurse Practitioner
501 W 14TH ST
WILMINGTON, DE 19801
New Castle County (302) 320-4410
DR. MELISSA D. MORGAN-GOUVEIA MD
Internal Medicine
501 W 14TH ST, WILMINGTON HOSPITAL - ADULT MEDICINE OFFICE
WILMINGTON, DE 19801
New Castle County (302) 428-4411
MS. KATHRYN MARGARET CURTIS NP
Nurse Practitioner (Adult Health)
501 W 14TH ST, WILMINGTON HOSPITAL RM 2244
WILMINGTON, DE 19801
New Castle County (302) 428-2285
YOUSEF SHEIKH
Student in an Organized Health Care Education/Training Program
501 W 14TH ST
WILMINGTON, DE 19801
New Castle County (302) 733-1000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jessica An's NPI number?

The NPI number for Jessica An is 1740867035. It was assigned to this individual provider in the NPPES registry on March 24, 2021.

Where is Jessica An located?

Jessica An practices at 501 W 14th St, Wilmington, DE 19801. The listed phone number is (302) 320-4410.

What is Jessica An's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jessica An enrolled in Medicare?

Yes. Jessica An is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Jessica An was last updated on September 9, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.