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ALLAMEH MEDICAL CORPORATION
NPI 1992052369
Internal Medicine - Nephrology in Mission Viejo, CA

Active since August 05, 2012
25982 PALA STE 170, MISSION VIEJO, CA 92691(949) 581-2002(949) 581-2221 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Allameh Medical Corporation NPPES

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

ALLAMEH MEDICAL CORPORATION (NPI 1992052369) is a healthcare organization registered as a nephrology in Mission Viejo, California and active in the NPI registry since August 2012. The organization lists Reza Allamehzadeh, President / Ceo, as its authorized official.

NPPES Registry Identity

NPI1992052369
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameALLAMEH MEDICAL CORPORATION
Location Address25982 PALA STE 170Mission Viejo, CA 92691-6736
Mailing Address25982 Pala Ste 170Mission Viejo, CA 92691-6736 · (949) 581-2002 · Fax (949) 581-2221
Phone(949) 581-2002
Fax(949) 581-2221
Organization SubpartNo
Authorized OfficialReza AllamehzadehPresident / Ceo · (949) 922-9170
Enumeration DateAugust 5, 2012
Last NPPES UpdateDecember 3, 2025
NPPES CertifiedDecember 3, 2025
✔ NPI 1992052369 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in CA · A102735
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
25982 PALA STE 170, Mission Viejo, CA 92691
Open in Google Maps ↗

Other Identifiers 2

OtherA102735CA · State Lic. #
OtherZZZ70903YCA · Blue Shield

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)

Allameh 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 Allameh Medical Corporation, which bills Medicare for the services this clinician delivers.

Clinician (1)

Reza Allamehzadeh, M.D
Internal Medicine
NPI 1467606053
25982 PALA STE 170
Mission Viejo, CA 92691
(949) 581-2002
✔ 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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2002852

Allameh Medical Corporation · Mission Viejo, CA
Expired · Oct 26, 2026
CLIA Number05D2002852
Laboratory TypePhysician Office
Certificate Effective DateOctober 27, 2024
Certificate Expiration DateOctober 26, 2026
Laboratory DirectorReza Allamehzadeh MD
Laboratory Phone(949) 581-2002
Laboratory LocationAllameh Medical Corporation25982 Pala, Ste 170, Mission Viejo, CA 92691
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Allameh Medical Corporation's NPI number?

The NPI number for Allameh Medical Corporation is 1992052369. It was assigned to this organization in the NPPES registry on August 5, 2012.

Where is Allameh Medical Corporation located?

Allameh Medical Corporation is located at 25982 Pala Ste 170, Mission Viejo, CA 92691. The listed phone number is (949) 581-2002.

What is Allameh Medical Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Allameh Medical Corporation enrolled in Medicare?

Yes. Allameh Medical Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Allameh Medical Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Allameh 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 Allameh Medical Corporation was last updated on December 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.