DR. JOSHUA JACOB ZARITSKY M.D.
NPI 1396871844
Pediatrics - Pediatric Nephrology in Phoenix, AZ
About Dr. Joshua Jacob Zaritsky M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSHUA JACOB ZARITSKY M.D. (NPI 1396871844) is an individual pediatric nephrology provider in Phoenix, Arizona, licensed in Arizona (67119) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, maintains 5 additional practice locations, and is a graduate of Stanford University School Of Medicine (2001).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 5
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Joshua Jacob Zaritsky 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.
Medicare Billing Reassignments
9Medicare enrollment records show Joshua Zaritsky reassigns Medicare billing to 9 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85016
- Reassigned Medicare billing, Arizona enrollment
- 1,416 clinicians in this Medicare group
Mountain Home, ID 83647
- Reassigned Medicare billing, Idaho enrollment
- 1,312 clinicians in this Medicare group
San Antonio, TX 78207
- Reassigned Medicare billing, Texas enrollment
- 453 clinicians in this Medicare group
Gainesville, FL 32610
- Reassigned Medicare billing, Florida enrollment
- 3,324 clinicians in this Medicare group
Jacksonville, FL 32207
- Reassigned Medicare billing, Florida enrollment
- 703 clinicians in this Medicare group
Charleston, SC 29414
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: University Medical Associates Of The Medical University Of South Carol
- 2,594 clinicians in this Medicare group
Ashland, PA 17921
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: St Lukes Physician Group Inc
- 2,851 clinicians in this Medicare group
Reading, PA 19608
- Reassigned Medicare billing, Pennsylvania enrollment
- 479 clinicians in this Medicare group
Honolulu, HI 96826
- Reassigned Medicare billing, Hawaii enrollment
- 370 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 2
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.
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.
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.
PHOENIX, AZ 85006
PHOENIX, AZ 85006
PHOENIX, AZ 85006
PHOENIX, AZ 85006
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 Joshua Zaritsky's NPI number?
The NPI number for Joshua Zaritsky is 1396871844. It was assigned to this individual provider in the NPPES registry on February 26, 2007.
Where is Joshua Zaritsky located?
Joshua Zaritsky practices at 1920 E Cambridge Ave Ste 201, Phoenix, AZ 85006. The listed phone number is (602) 963-0965.
What is Joshua Zaritsky's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.
Is Joshua Zaritsky enrolled in Medicare?
Yes. Joshua Zaritsky 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.
Which organizations bill Medicare for Joshua Zaritsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joshua Zaritsky reassigns Medicare benefits to 9 organizations: Phoenix Children's Hospital (Phoenix, AZ), St Lukes Clinic-Treasure Valley LLC (Mountain Home, ID), Baylor College Of Medicine (San Antonio, TX), Florida Clinical Practice Association Inc (Gainesville, FL), The Nemours Foundation (Jacksonville, FL) and 4 more organizations, listed in the Medicare section above. 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 Joshua Zaritsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joshua Zaritsky accept?
Health plans from Antidote Health Plan of Ohio, Inc., Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) and 6 other insurers list Joshua Zaritsky 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 Joshua Zaritsky was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.