MR. JAMES MARCZAK PA-C
NPI 1720123805
Physician Assistant in Glendale, AZ
About Mr. James Marczak Pa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. JAMES MARCZAK PA-C (NPI 1720123805) is an individual physician assistant in Glendale, Arizona, licensed in Arizona (1910) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
Secondary Practice Locations 2
Accepted Insurance
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
Mr. James Marczak Pa-c 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 5
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 85308 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GLENDALE, AZ 85308
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 James Marczak's NPI number?
The NPI number for James Marczak is 1720123805. It was assigned to this individual provider in the NPPES registry on February 20, 2007.
Where is James Marczak located?
James Marczak practices at 18275 N 59th Ave Ste 138, Glendale, AZ 85308. The listed phone number is (602) 843-2300.
What is James Marczak's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is James Marczak enrolled in Medicare?
Yes. James Marczak 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.
What insurance does James Marczak accept?
Health plans from Ambetter from Arizona Complete Health, Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona and UnitedHealthcare list James Marczak as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for James Marczak was last updated on November 18, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.
