DR. HEIDI R WASSEF MD
NPI 1619919941
Radiology - Nuclear Radiology in Los Angeles, CA

Active since June 12, 2006PECOS Enrolled
1500 SAN PABLO ST FL 2, LOS ANGELES, CA 90033(323) 442-8541 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 24, 2020, May 22, 2018 (2 updates tracked since 2018).

About Dr. Heidi R Wassef Md NPPES

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

DR. HEIDI R WASSEF MD (NPI 1619919941) is an individual nuclear radiology provider in Los Angeles, California, licensed in California (G84510) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619919941
Entity TypeIndividualFemale
Primary Taxonomy2085N0904X
Provider Legal NameDR. HEIDI R WASSEFCredential: MD
Location Address1500 SAN PABLO ST FL 2Los Angeles, CA 90033-5313
Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-8541 · Fax (323) 442-8755
Sole ProprietorNo
Enumeration DateJune 12, 2006
Last NPPES UpdateNovember 27, 20232 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2020
✔ NPI 1619919941 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Nuclear RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085N0904X
License✔ Licensed in CA · G84510
Definition
A radiologist who is involved in the analysis and imaging of radionuclides and radiolabeled substances in vitro and in vivo for diagnosis and the administration of radionuclides and radiolabeled substances for the treatment of disease.
1500 SAN PABLO ST FL 2, Los Angeles, CA 90033

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Heidi R Wassef Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Heidi Wassef reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

General Practice
1520 SAN PABLO ST
Los Angeles, CA 90033
  • Reassigned Medicare billing, California enrollment
  • 2,445 clinicians in this Medicare group
Clinic/Center
1670 E 120TH ST
Los Angeles, CA 90059
  • Reassigned Medicare billing, California enrollment
  • 435 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Nuclear medicine study from skull base to mid-thigh with ct scan 78815
A nuclear medicine study from skull base to mid-thigh with a CT scan involves using a small amount of radioactive material and CT imaging to examine body tissues and organs. This helps detect any abnormalities by providing detailed images of the body's internal structure.
14 services14 patients

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Diagnostic Radiology)
1500 SAN PABLO ST FL 2
LOS ANGELES, CA 90033
Radiology (Diagnostic Radiology)
1500 SAN PABLO ST FL 2
LOS ANGELES, CA 90033
Radiology (Diagnostic Radiology)
1500 SAN PABLO ST FL 2
LOS ANGELES, CA 90033
Radiology (Body Imaging)
1500 SAN PABLO ST FL 2
LOS ANGELES, CA 90033
Radiology (Diagnostic Radiology)
1500 SAN PABLO ST FL 2
LOS ANGELES, CA 90033
Nurse Practitioner
1500 SAN PABLO ST FL 2
LOS ANGELES, CA 90033
Radiology (Diagnostic Radiology)
1500 SAN PABLO ST FL 2
LOS ANGELES, CA 90033
Radiology (Body Imaging)
1500 SAN PABLO ST FL 2
LOS ANGELES, CA 90033

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 Heidi Wassef's NPI number?

The NPI number for Heidi Wassef is 1619919941. It was assigned to this individual provider in the NPPES registry on June 12, 2006.

Where is Heidi Wassef located?

Heidi Wassef practices at 1500 San Pablo St Fl 2, Los Angeles, CA 90033. The listed phone number is (323) 442-8541.

What is Heidi Wassef's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Nuclear Radiology, with taxonomy code 2085N0904X.

Is Heidi Wassef enrolled in Medicare?

Yes. Heidi Wassef is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Heidi Wassef's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heidi Wassef reassigns Medicare benefits to 2 organizations: Usc Care Medical Group, Inc (Los Angeles, CA) and County Of Los Angeles (Los Angeles, CA). Each 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 Heidi Wassef's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Heidi Wassef was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.