ERIC ZHUANG MD, MEDICAL CORPORATION
NPI 1699578534
Internal Medicine in Newport Beach, CA

Q: What is Eric Zhuang MD, Medical Corporation's NPI number?

The NPI number for Eric Zhuang MD, Medical Corporation is 1699578534. It was assigned to this organization in the NPPES registry on March 28, 2025.

Q: What is Eric Zhuang MD, Medical Corporation's specialty?

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

Active since March 28, 2025

20311 SW ACACIA ST STE 150, NEWPORT BEACH, CA 92660(949) 357-0753 Get Directions Write a Review

NPPES record last updated: March 28, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Eric Zhuang Md, Medical Corporation NPPES

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

ERIC ZHUANG MD, MEDICAL CORPORATION (NPI 1699578534) is a healthcare organization registered as an internal medicine in Newport Beach, California and active in the NPI registry since March 2025. The organization lists Eric Zhuang, Ceo/president, as its authorized official.

NPPES Registry Identity

NPI1699578534

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameERIC ZHUANG MD, MEDICAL CORPORATION

Location Address20311 SW ACACIA ST STE 150Newport Beach, CA 92660-1733

Mailing Address23 Crestview DrRancho Santa Margarita, CA 92688-5548

Phone(949) 357-0753

Organization SubpartNo

Authorized OfficialEric ZhuangCeo/president · (949) 356-8083

Enumeration DateMarch 28, 2025

NPPES CertifiedMarch 28, 2025

✔ NPI 1699578534 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

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 ListedInternal Medicine · HematologyTaxonomy 207RH0000X

Also ListedInternal Medicine · Medical OncologyTaxonomy 207RX0202X

20311 SW ACACIA ST STE 150, Newport Beach, CA 92660

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Eric Zhuang Md, Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Eric Zhuang MD, Medical Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Eric Zhuang, MD

Hematology/Oncology

NPI 1972008605

20311 SW ACACIA ST STE 140
Newport Beach, CA 92660

(949) 891-1441

✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Eric Zhuang MD, Medical Corporation's NPI number?

The NPI number for Eric Zhuang MD, Medical Corporation is 1699578534. It was assigned to this organization in the NPPES registry on March 28, 2025.

Where is Eric Zhuang MD, Medical Corporation located?

Eric Zhuang MD, Medical Corporation is located at 20311 SW Acacia St Ste 150, Newport Beach, CA 92660. The listed phone number is (949) 357-0753.

What is Eric Zhuang MD, Medical Corporation's specialty?

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

Is Eric Zhuang MD, Medical Corporation enrolled in Medicare?

Yes. Eric Zhuang MD, Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Eric Zhuang MD, Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Hematology/Oncology) reassigns their Medicare billing to Eric Zhuang MD, Medical Corporation. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Eric Zhuang MD, Medical Corporation was last updated on March 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.