Jessica Zong Lee An, MD
Internal Medicine Physician · Wilmington, DE
Jessica Zong Lee An, MD is an internal medicine physician with a practice address in Wilmington, Delaware, and NPI 1740867035, issued on Mar 24, 2021. Check the license (Delaware C1-0028074, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Jessica Zong Lee An
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- C1-0028074 DE
Self-reported in NPPES; status is on the state search - Practice location
- 501 W 14TH St, Wilmington, DE 19801
- Phone
- (302) 320-4410
- Enumerated
- Mar 24, 2021
- Record last updated
- Sep 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20250924001367); accepts Medicare assignment
- Medical or professional school
- University Of Pittsburgh School Of Medicine, 2021
- Entity
- Type 1 · individual
Also registered at 501 W 14TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Davi-Lue AchuNurse Practitioner1477006864
- Beenish Ahmed, MDInternal Medicine Physician1346636172
- Sheyla ArtigaStudent in an Organized Health Care Education/Training Program1851143119
- Wolfgang Berten, MDPsychiatry Physician1932184686
Verify Jessica Zong Lee An in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0028074Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average internal medicine physician in 2024
14 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Christiana Care Health Services IncWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
107 internal medicine physician records list a practice address in Wilmington
They are 107 of the 6,291 NPPES records with a practice address in Wilmington, and 600 internal medicine physician records in Delaware.
All 107 in Wilmington → All 600 in Delaware → Every provider in Wilmington →
Other internal medicine physician records in Delaware
- Raya Abbasi, M.DNewark, DE1205524154
- Semaan Abboud, M.D.Millsboro, DE1063477529
- Joseph Raphael Ablaza, M.D.Dover, DE1366892291
- Anastasia AbongnelahMilford, DE1275371312
- Aashish AcharyaDover, DE1912523424
- Ramesh Adabala, M.D.,Newark, DE1902898596
- Oluwaseun Adeniyi, MDLewes, DE1154906097
- Sonia Adnan, MDNewark, DE1790915593
- Fatima Afridi, M.D.Newark, DE1578712584
- Reynold Agard, M.D.Newark, DE1902811730
Common questions
What is Jessica Zong Lee An, MD's NPI number?
Jessica Zong Lee An, MD's National Provider Identifier (NPI) is 1740867035, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jessica Zong Lee An, MD located?
The NPPES record lists a practice address at 501 W 14TH St, Wilmington, DE, 19801. Phone: (302) 320-4410. Providers update this record themselves, so call before visiting.
How can I verify Jessica Zong Lee An, MD's license?
NPPES lists Delaware license number C1-0028074, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jessica Zong Lee An, MD prescribe under Medicare Part D?
In 2024, Jessica Zong Lee An, MD had 14 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.