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ANDREW J. MIKAELIAN, M.D. INC.
NPI 1609804657
Otolaryngology in Westlake Village, CA

Active since June 29, 2006
1240 WESTLAKE BLVD., SUITE 135, WESTLAKE VILLAGE, CA 91361(805) 494-9993 Get Directions Write a Review

NPPES record last updated: September 18, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Andrew J. Mikaelian, M.d. Inc. NPPES

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

ANDREW J. MIKAELIAN, M.D. INC. (NPI 1609804657) is a healthcare organization registered as an otolaryngology in Westlake Village, California and active in the NPI registry since June 2006. The organization lists Andrew J. Mikaelian, Ceo, as its authorized official.

NPPES Registry Identity

NPI1609804657
Entity TypeOrganization
Primary Taxonomy207Y00000X
Legal Business NameANDREW J. MIKAELIAN, M.D. INC.
Location Address1240 WESTLAKE BLVD., SUITE 135Westlake Village, CA 91361-1987
Mailing Address1240 Westlake Blvd., Suite 135Westlake Village, CA 91361-1987
Phone(805) 494-9993
Organization SubpartNo
Authorized OfficialAndrew J. MikaelianCeo · (805) 494-9993
Enumeration DateJune 29, 2006
Last NPPES UpdateSeptember 18, 2007
✔ NPI 1609804657 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
1240 WESTLAKE BLVD., Westlake Village, CA 91361
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Other Identifiers 1

Medicare PINW20228

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)

Andrew J. Mikaelian, M.d. 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 Andrew J. Mikaelian, M.D. Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Andrew Mikaelian, M.D.
Otolaryngology
NPI 1891740973
1240 WESTLAKE BLVD. SUITE 135
Westlake Village, CA 91361
(805) 494-9993
✔ 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 Andrew J. Mikaelian, M.D. Inc.'s NPI number?

The NPI number for Andrew J. Mikaelian, M.D. Inc. is 1609804657. It was assigned to this organization in the NPPES registry on June 29, 2006.

Where is Andrew J. Mikaelian, M.D. Inc. located?

Andrew J. Mikaelian, M.D. Inc. is located at 1240 Westlake Blvd. Suite 135, Westlake Village, CA 91361. The listed phone number is (805) 494-9993.

What is Andrew J. Mikaelian, M.D. Inc.'s specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Andrew J. Mikaelian, M.D. Inc. enrolled in Medicare?

Yes. Andrew J. Mikaelian, M.D. Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Andrew J. Mikaelian, M.D. Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Otolaryngology) reassigns their Medicare billing to Andrew J. Mikaelian, M.D. 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 Andrew J. Mikaelian, M.D. Inc. was last updated on September 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.