MAGDI MESSIHA MD INC
NPI 1538339569
Internal Medicine in Newport Beach, CA

Q: What is Magdi Messiha MD Inc's NPI number?

The NPI number for Magdi Messiha MD Inc is 1538339569. It was assigned to this organization in the NPPES registry on March 5, 2008.

Q: What is Magdi Messiha MD Inc's specialty?

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

Active since March 05, 2008

355 PLACENTIA AVE STE 201, NEWPORT BEACH, CA 92663(949) 646-4355(949) 646-4590 Get Directions Write a Review

NPPES record last updated: July 14, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Magdi Messiha Md Inc NPPES

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

MAGDI MESSIHA MD INC (NPI 1538339569) is a healthcare organization registered as an internal medicine in Newport Beach, California and active in the NPI registry since March 2008. The organization lists Magdi Messiha, Owner, as its authorized official.

NPPES Registry Identity

NPI1538339569

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameMAGDI MESSIHA MD INC

Location Address355 PLACENTIA AVE STE 201Newport Beach, CA 92663-3300

Mailing Address16 IndianaIrvine, CA 92606-1733 · (949) 646-4355 · Fax (949) 646-4590

Phone(949) 646-4355

Fax(949) 646-4590

Organization SubpartNo

Authorized OfficialMagdi MessihaOwner · (949) 646-4355

Enumeration DateMarch 5, 2008

Last NPPES UpdateJuly 14, 2010

✔ NPI 1538339569 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 CA · A63313

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 ListedFamily Medicine · Geriatric MedicineTaxonomy 207QG0300X · License A63313 (CA)

355 PLACENTIA AVE STE 201, Newport Beach, CA 92663

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Other Identifiers 2

Medicaid00A633130CA

Medicare PINA63313CA

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)

Magdi Messiha Md Inc 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 Magdi Messiha MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Magdi Messiha, M.D.

Internal Medicine

NPI 1346269370

355 PLACENTIA AVE SUITE 201
Newport Beach, CA 92663

(949) 646-4355

✔ PECOS✔ Accepts Medicare0.1 mi

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 Magdi Messiha MD Inc's NPI number?

The NPI number for Magdi Messiha MD Inc is 1538339569. It was assigned to this organization in the NPPES registry on March 5, 2008.

Where is Magdi Messiha MD Inc located?

Magdi Messiha MD Inc is located at 355 Placentia Ave Ste 201, Newport Beach, CA 92663. The listed phone number is (949) 646-4355.

What is Magdi Messiha MD Inc's specialty?

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

Is Magdi Messiha MD Inc enrolled in Medicare?

Yes. Magdi Messiha MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Magdi Messiha MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Magdi Messiha MD Inc. 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 Magdi Messiha MD Inc was last updated on July 14, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.