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ROYA HORMOZDIARAN MD PROFESSIONAL CORPORATION
NPI 1881488047
Internal Medicine in Irvine, CA

Active since April 04, 2025
62 CORPORATE PARK STE 130, IRVINE, CA 92606(949) 222-0009(949) 703-2870 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 8, 2026, Nov 4, 2025, Apr 9, 2025 and 1 more (4 updates tracked since 2025).

About Roya Hormozdiaran Md Professional Corporation NPPES

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

ROYA HORMOZDIARAN MD PROFESSIONAL CORPORATION (NPI 1881488047) is a healthcare organization registered as an internal medicine in Irvine, California and active in the NPI registry since April 2025. The organization lists Roya Hormozdiaran, Ceo, as its authorized official.

NPPES Registry Identity

NPI1881488047
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameROYA HORMOZDIARAN MD PROFESSIONAL CORPORATION
Location Address62 CORPORATE PARK STE 130Irvine, CA 92606-3132
Mailing Address62 Corporate Park Ste 130Irvine, CA 92606-3132 · (949) 222-0009 · Fax (949) 703-2870
Phone(949) 222-0009
Fax(949) 703-2870
Organization SubpartNo
Authorized OfficialRoya HormozdiaranCeo · (949) 735-2155
Enumeration DateApril 4, 2025
Last NPPES UpdateJanuary 8, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2026
✔ NPI 1881488047 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ 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.
62 CORPORATE PARK STE 130, Irvine, CA 92606
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Roya Hormozdiaran Md Professional 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 Roya Hormozdiaran MD Professional Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Roya Hormozdiaran, MD,
Internal Medicine
NPI 1427245349
62 CORPORATE PARK STE 130
Irvine, CA 92606
(949) 735-2155
✔ 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 Roya Hormozdiaran MD Professional Corporation's NPI number?

The NPI number for Roya Hormozdiaran MD Professional Corporation is 1881488047. It was assigned to this organization in the NPPES registry on April 4, 2025.

Where is Roya Hormozdiaran MD Professional Corporation located?

Roya Hormozdiaran MD Professional Corporation is located at 62 Corporate Park Ste 130, Irvine, CA 92606. The listed phone number is (949) 222-0009.

What is Roya Hormozdiaran MD Professional Corporation's specialty?

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

Is Roya Hormozdiaran MD Professional Corporation enrolled in Medicare?

Yes. Roya Hormozdiaran MD Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Roya Hormozdiaran MD Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Roya Hormozdiaran MD Professional 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 Roya Hormozdiaran MD Professional Corporation was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.