RONG ZENG MD
NPI 1669268223
Internal Medicine in Milford, DE

Active since April 18, 2025PECOS Enrolled
804 N. DUPONT HWY, MILFORD, DE 19963(302) 725-3200 Get Directions Write a Review

NPPES record last updated: April 18, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Rong Zeng Md NPPES

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

RONG ZENG MD (NPI 1669268223) is an individual internal medicine provider in Milford, Delaware, licensed in Delaware (C7-0018843) and active in the NPI registry since April 2025. She is enrolled in Medicare PECOS and maintains a secondary practice location in Dover.

NPPES Registry Identity

NPI1669268223
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameRONG ZENGCredential: MD
Location Address804 N. DUPONT HWYMilford, DE 19963
Mailing Address640 South State Street Mailcode: 3007Dover, DE 19901 · (302) 725-3557
Sole ProprietorNo
Enumeration DateApril 18, 2025
NPPES CertifiedMarch 25, 2025
NPI 1669268223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in DE · C7-0018843
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.
804 N. DUPONT HWY, Milford, DE 19963

Secondary Practice Location 1

Location 1640 South State Street Mailcode: 3007Dover, DE 19901 · Phone (302) 725-3557

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Rong Zeng Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 19963 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 4

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

Internal Medicine
804 N. DUPONT HWY
MILFORD, DE 19963
Internal Medicine
804 N. DUPONT HWY
MILFORD, DE 19963
Internal Medicine
804 N. DUPONT HWY
MILFORD, DE 19963
Internal Medicine
804 N. DUPONT HWY
MILFORD, DE 19963

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 Rong Zeng's NPI number?

The NPI number for Rong Zeng is 1669268223. It was assigned to this individual provider in the NPPES registry on April 18, 2025.

Where is Rong Zeng located?

Rong Zeng practices at 804 N. Dupont Hwy, Milford, DE 19963. The listed phone number is (302) 725-3200.

What is Rong Zeng's specialty?

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

Is Rong Zeng enrolled in Medicare?

Yes. Rong Zeng is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Rong Zeng was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.