RIAMD INC
NPI 1982980306
General Acute Care Hospital in Newport Beach, CA

Q: What is Riamd Inc's NPI number?

The NPI number for Riamd Inc is 1982980306. It was assigned to this organization in the NPPES registry on October 31, 2011.

Q: What is Riamd Inc's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

Q: When was this NPI record last updated?

The NPPES record for Riamd Inc was last updated on April 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since October 31, 2011

400 NEWPORT CENTER DR STE 601, NEWPORT BEACH, CA 92660(949) 520-7322(949) 520-7451 Get Directions Write a Review

NPPES record last updated: April 19, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Riamd Inc NPPES

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

RIAMD INC (NPI 1982980306) is a healthcare organization registered as a general acute care hospital in Newport Beach, California and active in the NPI registry since October 2011. The organization lists Ramin Isfahani Alizadeh, President, as its authorized official.

NPPES Registry Identity

NPI1982980306

Entity TypeOrganization

Primary Taxonomy282N00000X

Legal Business NameRIAMD INC

Location Address400 NEWPORT CENTER DR STE 601Newport Beach, CA 92660-7685

Mailing Address2549 Eastbluff Drive, #447Newport Beach, CA 92660 · (303) 877-0254

Phone(949) 520-7322

Fax(949) 520-7451

Organization SubpartNo

Authorized OfficialRamin Isfahani AlizadehPresident · (303) 877-0254

Enumeration DateOctober 31, 2011

Last NPPES UpdateApril 19, 2024

NPPES CertifiedApril 19, 2024

✔ NPI 1982980306 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral Acute Care HospitalHospitals

Taxonomy Code282N00000X

License✔ Licensed in CA · A109070

Definition

An acute general hospital is an institution whose primary function is to provide inpatient diagnostic and therapeutic services for a variety of medical conditions, both surgical and non-surgical, to a wide population group. The hospital treats patients in an acute phase of illness or injury, characterized by a single episode or a fairly short duration, from which the patient returns to his or her normal or previous level of activity.

400 NEWPORT CENTER DR STE 601, Newport Beach, CA 92660

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Riamd 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 Riamd Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ramin Alizadeh, MD

Internal Medicine

NPI 1659427235

400 NEWPORT CENTER DR STE 601
Newport Beach, CA 92660

(949) 520-7322

✔ 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 Riamd Inc's NPI number?

The NPI number for Riamd Inc is 1982980306. It was assigned to this organization in the NPPES registry on October 31, 2011.

Where is Riamd Inc located?

Riamd Inc is located at 400 Newport Center Dr Ste 601, Newport Beach, CA 92660. The listed phone number is (949) 520-7322.

What is Riamd Inc's specialty?

The primary specialty registered for this NPI is General Acute Care Hospital with taxonomy code 282N00000X.

Is Riamd Inc enrolled in Medicare?

Yes. Riamd Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Riamd Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Riamd 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 Riamd Inc was last updated on April 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.