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ABRAHAM ISHAAYA, M.D. A PROFESSIONAL CORPORATION
NPI 1841242948
Internal Medicine - Pulmonary Disease in Los Angeles, CA

Active since May 17, 2006
5901 W OLYMPIC BLVD, STE 200, LOS ANGELES, CA 90036(323) 954-1788(323) 954-1822 Get Directions Write a Review

NPPES record last updated: August 30, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Abraham Ishaaya, M.d. A Professional Corporation NPPES

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

ABRAHAM ISHAAYA, M.D. A PROFESSIONAL CORPORATION (NPI 1841242948) is a healthcare organization registered as a pulmonary disease in Los Angeles, California and active in the NPI registry since May 2006. The organization lists Abraham M Ishaaya, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1841242948
Entity TypeOrganization
Primary Taxonomy207RP1001X
Legal Business NameABRAHAM ISHAAYA, M.D. A PROFESSIONAL CORPORATION
Location Address5901 W OLYMPIC BLVD, STE 200Los Angeles, CA 90036
Mailing Address9663 Santa Monica Blvd, Ste 136Beverly Hills, CA 90210-4303 · (323) 553-7308 · Fax (323) 556-7350
Phone(323) 954-1788
Fax(323) 954-1822
Organization SubpartNo
Authorized OfficialAbraham M IshaayaMedical Director · (323) 954-1788
Enumeration DateMay 17, 2006
Last NPPES UpdateAugust 30, 2018
✔ NPI 1841242948 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in CA · G71854
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Allergy & ImmunologyTaxonomy 207RA0201X · License G71854 (CA)
5901 W OLYMPIC BLVD, Los Angeles, CA 90036
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Other Identifiers 1

Medicaid00G718541CA

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 MULTIPLE 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)

Abraham Ishaaya, M.d. A Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Abraham Ishaaya, M.D. A Professional Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (3)

Abraham Ishaaya, M.D.
Pulmonary Disease
NPI 1912959925
5901 W OLYMPIC BLVD STE 200
Los Angeles, CA 90036
(323) 954-1788
✔ PECOS✔ Accepts MedicareSame address
David Balfe, M.D.
Internal Medicine
NPI 1265410146
8700 BEVERLY BLVD.
Los Angeles, CA 90048
(310) 967-1884
✔ PECOS✔ Accepts Medicare1.7 mi
Melinda Yambot-Calderon
Nurse Practitioner
NPI 1841653789
5300 WHITTIER BLVD
Los Angeles, CA 90022
(323) 980-8488
✔ PECOS✔ Accepts Medicare12 mi

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 Abraham Ishaaya, M.D. A Professional Corporation's NPI number?

The NPI number for Abraham Ishaaya, M.D. A Professional Corporation is 1841242948. It was assigned to this organization in the NPPES registry on May 17, 2006.

Where is Abraham Ishaaya, M.D. A Professional Corporation located?

Abraham Ishaaya, M.D. A Professional Corporation is located at 5901 W Olympic Blvd Ste 200, Los Angeles, CA 90036. The listed phone number is (323) 954-1788.

What is Abraham Ishaaya, M.D. A Professional Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

Is Abraham Ishaaya, M.D. A Professional Corporation enrolled in Medicare?

Yes. Abraham Ishaaya, M.D. A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Abraham Ishaaya, M.D. A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Abraham Ishaaya, M.D. A Professional Corporation, in Internal Medicine, Nurse Practitioner and Pulmonary Disease. 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Abraham Ishaaya, M.D. A Professional Corporation was last updated on August 30, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.