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MR. GASSER MAHGR HATHOUT MD
NPI 1497863278
Radiology - Diagnostic Radiology in Sylmar, CA

Active since August 29, 2006PECOS Enrolled
14445 OLIVEVIEW DR, SYLMAR, CA 91342(818) 364-1555 Get Directions Write a Review

NPPES record last updated: March 19, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Gasser Mahgr Hathout Md NPPES

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

MR. GASSER MAHGR HATHOUT MD (NPI 1497863278) is an individual diagnostic radiology provider in Sylmar, California, licensed in California (G66261) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497863278
Entity TypeIndividualMale
Primary Taxonomy2085R0202X
Provider Legal NameMR. GASSER MAHGR HATHOUTCredential: MD
Location Address14445 OLIVEVIEW DRSylmar, CA 91342
Mailing Address1622 San Gabriel AveGlendale, CA 91208 · (818) 242-7350 · Fax (818) 242-7350
Phone(818) 364-1555
Sole ProprietorNo
Enumeration DateAugust 29, 2006
Last NPPES UpdateMarch 19, 2009
✔ NPI 1497863278 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRadiology · Diagnostic RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0202X
License✔ Licensed in CA · G66261
Definition
A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Also ListedRadiology · NeuroradiologyTaxonomy 2085N0700X · License G66261 (CA)
14445 OLIVEVIEW DR, Sylmar, CA 91342
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Other Identifiers 3

Medicare ID-Type UnspecifiedG662610CA
Medicare UPING65219
Medicaid00C7662610CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Gasser Mahgr Hathout 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 Reassignment

Medicare enrollment records show Gasser Hathout reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Los Angeles Auditor Controller
3.6 mi
General Acute Care Hospital
14445 OLIVE VIEW DR
Sylmar, CA 91342
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: County Of Los Angeles
  • 1,939 clinicians in this Medicare group
NPI 1134159320 (818) 364-3031

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91342 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

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

DR. SHANKAR N HITTALMANI MD
Emergency Medicine
14445 OLIVEVIEW DR, OLIVEVIEW UCLA MEDICAL CENTER
SYLMAR, CA 91342
Los Angeles County (818) 364-3632
DENISE MARIE ANDREWS-TANG MD
Radiology (Diagnostic Radiology)
14445 OLIVEVIEW DR, OLIVEVIEW UCLA MEDICAL CENTER DEPT OF RADIOLOGY
SYLMAR, CA 91342
Los Angeles County (818) 364-4079

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 Gasser Hathout's NPI number?

The NPI number for Gasser Hathout is 1497863278. It was assigned to this individual provider in the NPPES registry on August 29, 2006.

Where is Gasser Hathout located?

Gasser Hathout practices at 14445 Oliveview Dr, Sylmar, CA 91342. The listed phone number is (818) 364-1555.

What is Gasser Hathout's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.

Is Gasser Hathout enrolled in Medicare?

Yes. Gasser Hathout is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gasser Hathout's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gasser Hathout reassigns Medicare benefits to County Of Los Angeles Auditor Controller (Sylmar, CA). The 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 Gasser Hathout'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 Gasser Hathout was last updated on March 19, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.