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ALEN MIRZAIAN, MD INC
NPI 1255669362
Internal Medicine in Glendale, CA

Active since December 01, 2009
1818 VERDUGO BLVD STE 401, GLENDALE, CA 91208(818) 790-1145(818) 790-6387 Get Directions Write a Review

NPPES record last updated: June 6, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Alen Mirzaian, Md Inc NPPES

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

ALEN MIRZAIAN, MD INC (NPI 1255669362) is a healthcare organization registered as an internal medicine in Glendale, California and active in the NPI registry since December 2009. The organization lists Alen Mirzaian, Md/president, as its authorized official.

NPPES Registry Identity

NPI1255669362
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameALEN MIRZAIAN, MD INC
Location Address1818 VERDUGO BLVD STE 401Glendale, CA 91208-1421
Mailing Address2155 Verdugo Blvd # 24Montrose, CA 91020-1628 · (818) 790-1145 · Fax (818) 790-6387
Phone(818) 790-1145
Fax(818) 790-6387
Organization SubpartNo
Authorized OfficialAlen MirzaianMd/president · (818) 790-1145
Enumeration DateDecember 1, 2009
Last NPPES UpdateJune 6, 2023
NPPES CertifiedJune 6, 2023
✔ NPI 1255669362 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A88445
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.
1818 VERDUGO BLVD STE 401, Glendale, CA 91208
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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)

Alen Mirzaian, 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 Alen Mirzaian, MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Alen Mirzaian, M.D.
Internal Medicine
NPI 1043209554
1818 VERDUGO BLVD STE 401
Glendale, CA 91208
(818) 790-1145
✔ PECOSSame 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 Alen Mirzaian, MD Inc's NPI number?

The NPI number for Alen Mirzaian, MD Inc is 1255669362. It was assigned to this organization in the NPPES registry on December 1, 2009.

Where is Alen Mirzaian, MD Inc located?

Alen Mirzaian, MD Inc is located at 1818 Verdugo Blvd Ste 401, Glendale, CA 91208. The listed phone number is (818) 790-1145.

What is Alen Mirzaian, MD Inc's specialty?

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

Is Alen Mirzaian, MD Inc enrolled in Medicare?

Yes. Alen Mirzaian, MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Alen Mirzaian, MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Alen Mirzaian, 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 Alen Mirzaian, MD Inc was last updated on June 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.