DR. JAMAL JULIAN ZAKA M. D.
NPI 1053581769
Internal Medicine - Pulmonary Disease in Walnut Creek, CA
About Dr. Jamal Julian Zaka M. D. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JAMAL JULIAN ZAKA M. D. (NPI 1053581769) is an individual pulmonary disease provider in Walnut Creek, California, licensed in California (A113378) and active in the NPI registry since March 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Oakland, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses 2
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.
Other Names 1
Secondary Practice Location 1
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. Jamal Julian Zaka M. D. 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.
Areas of Expertise CMS Part B claims 8
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94598 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 19
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
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 Jamal Zaka's NPI number?
The NPI number for Jamal Zaka is 1053581769. It was assigned to this individual provider in the NPPES registry on March 10, 2008. The provider is also known as Julian Lorrain Williams.
Where is Jamal Zaka located?
Jamal Zaka practices at 130 La Casa Via #208, Walnut Creek, CA 94598. The listed phone number is (925) 944-0166.
What is Jamal Zaka's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.
Is Jamal Zaka enrolled in Medicare?
Yes. Jamal Zaka 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 Jamal Zaka was last updated on July 14, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
