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DR. MAZEN NIZAR JIZZINI MD
NPI 1346702032
Internal Medicine - Hematology & Oncology in Tarzana, CA

Active since April 02, 2019PECOS EnrolledAccepts Medicare Assignment
18133 VENTURA BLVD STE 300, TARZANA, CA 91356(818) 981-3818 Get Directions Write a Review

NPPES record last updated: August 30, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mazen Nizar Jizzini Md NPPES

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

DR. MAZEN NIZAR JIZZINI MD (NPI 1346702032) is an individual hematology & oncology provider in Tarzana, California, licensed in California (A177889) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Buffalo, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1346702032
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. MAZEN NIZAR JIZZINICredential: MD
Location Address18133 VENTURA BLVD STE 300Tarzana, CA 91356-3645
Mailing Address462 Grider StBuffalo, NY 14215-3021 · (716) 898-4578 · Fax (898) 327-9716
Phone(818) 981-3818
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateApril 2, 2019
Last NPPES UpdateAugust 30, 2025
NPPES CertifiedAugust 30, 2025
✔ NPI 1346702032 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
License✔ Licensed in CA · A177889
Definition
An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X · License 390200000X (NY)
18133 VENTURA BLVD STE 300, Tarzana, CA 91356
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Secondary Practice Location 1

Location 1462 Grider StBuffalo, NY 14215-3021 · Phone (716) 898-4578 · Fax (898) 327-9716

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Mazen Nizar Jizzini Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163894023
PECOS Enrollment IDI20250912002545
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91356 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
$187.60 typical visit price
range $62.96 – $187.60
Typical copayment $46.90 (range $15.74 – $46.90)
Most-billed visit code 99205
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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 5

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

RYAN MATTHEW PONEC MD
Internal Medicine (Hematology & Oncology)
18133 VENTURA BLVD STE 300
TARZANA, CA 91356
Los Angeles County (818) 981-3818
REBECCA NOZOMI YANAGA
Physician Assistant
18133 VENTURA BLVD STE 300
TARZANA, CA 91356
Los Angeles County (310) 423-8888
DR. PARI MARIE YOUNG MD
Psychiatry & Neurology (Neurology)
18133 VENTURA BLVD STE 300
TARZANA, CA 91356
Los Angeles County (818) 981-3818
DANIELLE S BARUCH PA-C
Physician Assistant
18133 VENTURA BLVD STE 300
TARZANA, CA 91356
Los Angeles County (818) 981-3818
MR. BRIAN KEITH LACHAPELLE PA
Physician Assistant (Surgical)
18133 VENTURA BLVD STE 300
TARZANA, CA 91356
Los Angeles County (310) 423-8888

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 Mazen Jizzini's NPI number?

The NPI number for Mazen Jizzini is 1346702032. It was assigned to this individual provider in the NPPES registry on April 2, 2019.

Where is Mazen Jizzini located?

Mazen Jizzini practices at 18133 Ventura Blvd Ste 300, Tarzana, CA 91356. The listed phone number is (818) 981-3818.

What is Mazen Jizzini's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

Is Mazen Jizzini enrolled in Medicare?

Yes. Mazen Jizzini is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Mazen Jizzini was last updated on August 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.