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HAYVENHURST INFECTIOUS DIS. INC.
NPI 1043236458
Internal Medicine - Infectious Disease in Encino, CA

Active since July 15, 2006
4054 STRAWBERRY PL, ENCINO, CA 91436(310) 914-9150(310) 914-9705 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Hayvenhurst Infectious Dis. Inc. NPPES

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

HAYVENHURST INFECTIOUS DIS. INC. (NPI 1043236458) is a healthcare organization registered as an infectious disease in Encino, California and active in the NPI registry since July 2006. The organization lists Alan Nazarian, Medical Doctor, as its authorized official.

NPPES Registry Identity

NPI1043236458
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameHAYVENHURST INFECTIOUS DIS. INC.
Location Address4054 STRAWBERRY PLEncino, CA 91436-3826
Mailing Address4054 Strawberry PlEncino, CA 91436-3826 · (310) 914-9150 · Fax (310) 914-9705
Phone(310) 914-9150
Fax(310) 914-9705
Organization SubpartNo
Authorized OfficialAlan NazarianMedical Doctor · (310) 914-9150
Enumeration DateJuly 15, 2006
Last NPPES UpdateAugust 22, 2020
✔ NPI 1043236458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in CA · A65901
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
4054 STRAWBERRY PL, Encino, CA 91436
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Other Identifiers 1

Medicaid00A659010CA

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)

Hayvenhurst Infectious Dis. 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 Hayvenhurst Infectious Dis. Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Alan Nazarian, M.D.
Internal Medicine
NPI 1831126739
4054 STRAWBERRY PL
Encino, CA 91436
(310) 914-9150
✔ 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 Hayvenhurst Infectious Dis. Inc.'s NPI number?

The NPI number for Hayvenhurst Infectious Dis. Inc. is 1043236458. It was assigned to this organization in the NPPES registry on July 15, 2006.

Where is Hayvenhurst Infectious Dis. Inc. located?

Hayvenhurst Infectious Dis. Inc. is located at 4054 Strawberry Pl, Encino, CA 91436. The listed phone number is (310) 914-9150.

What is Hayvenhurst Infectious Dis. Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Hayvenhurst Infectious Dis. Inc. enrolled in Medicare?

Yes. Hayvenhurst Infectious Dis. Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Hayvenhurst Infectious Dis. Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Hayvenhurst Infectious Dis. 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 Hayvenhurst Infectious Dis. Inc. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.