DR. JOSHUA JACOB ZARITSKY M.D.
NPI 1396871844
Pediatrics - Pediatric Nephrology in Phoenix, AZ

Active since February 26, 2007PECOS EnrolledAccepts Medicare Assignment
90.84/100
CMS Quality Rating
1920 E CAMBRIDGE AVE STE 201, PHOENIX, AZ 85006(602) 963-0965(602) 933-4610 Get Directions Write a Review

NPPES record last updated: August 25, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Apr 9, 2025, Sep 16, 2022, Aug 30, 2022 and 4 more (7 updates tracked since 2020).

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

NPI1396871844
Entity TypeIndividualMale
Primary Taxonomy2080P0210X
Provider Legal NameDR. JOSHUA JACOB ZARITSKYCredential: M.D.
Location Address1920 E CAMBRIDGE AVE STE 201Phoenix, AZ 85006-1462
Mailing Address2108 E Thomas Rd Ste 130Phoenix, AZ 85016-0008 · (602) 933-3124
Fax(602) 933-4610
Sole ProprietorNo
Medical School CMSStanford University School Of MedicineGraduated 2001
Enumeration DateFebruary 26, 2007
Last NPPES UpdateAugust 25, 20257 updates tracked since enumeration
NPPES CertifiedAugust 25, 2025
✔ NPI 1396871844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0210X
Licenses✔ Licensed in AZ · 67119✔ Licensed in FL · ME122126✔ Licensed in PA · MD448226✔ Licensed in TX · T7464
Definition
A pediatrician who deals with the normal and abnormal development and maturation of the kidney and urinary tract, the mechanisms by which the kidney can be damaged, the evaluation and treatment of renal diseases, fluid and electrolyte abnormalities, hypertension and renal replacement therapy.
Also ListedInternal Medicine · NephrologyTaxonomy 207RN0300X · License 67119 (AZ)
Also ListedPediatricsTaxonomy 208000000X · License ME122126 (FL), T7464 (TX), 67119 (AZ)
1920 E CAMBRIDGE AVE STE 201, Phoenix, AZ 85006

Secondary Practice Locations 5

Location 15153 N 9th AvePensacola, FL 32504-8785 · Phone (850) 416-2280 · Fax (850) 416-2258
Location 2333 N Santa RosaSan Antonio, TX 78207-3108 · Phone (210) 704-4100 · Fax (210) 704-4037
Location 31919 E Thomas RdPhoenix, AZ 85016-7710 · Phone (602) 933-1000
Location 41600 SW Archer RdGainesville, FL 32610-3108 · Phone (352) 273-9180
Location 57720 US Highway 98 W Ste 210Miramar Beach, FL 32550-7231 · Phone (850) 416-1575

Other Identifiers 2

Medicaid00A869250CA
Medicaid113168200FL

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.

PECOS PAC ID446355515
PECOS Enrollment IDI20220624002313
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 Reassignments

9

Medicare 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.

Pediatrics
1919 E THOMAS RD
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 1,416 clinicians in this Medicare group
Family Medicine
840 N 4TH E
Mountain Home, ID 83647
  • Reassigned Medicare billing, Idaho enrollment
  • 1,312 clinicians in this Medicare group
Pediatrics
333 N SANTA ROSA
San Antonio, TX 78207
  • Reassigned Medicare billing, Texas enrollment
  • 453 clinicians in this Medicare group
Surgery
1600 SW ARCHER RD
Gainesville, FL 32610
  • Reassigned Medicare billing, Florida enrollment
  • 3,324 clinicians in this Medicare group
Multi-Specialty
807 CHILDRENS WAY
Jacksonville, FL 32207
  • Reassigned Medicare billing, Florida enrollment
  • 703 clinicians in this Medicare group
Multi-Specialty
2125 CHARLIE HALL BLVD, SUITE 100
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
Family Medicine
530 CENTRE ST
Ashland, PA 17921
  • Reassigned Medicare billing, Pennsylvania enrollment
  • Medicare enrollment name: St Lukes Physician Group Inc
  • 2,851 clinicians in this Medicare group
Pediatric Gastroenterology
1020 GRINGS HILL RD
Reading, PA 19608
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 479 clinicians in this Medicare group
Multi-Specialty
1319 PUNAHOU ST
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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
79 services13 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
17 services13 patients

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.

90.84/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.68
Promoting Interoperability100
Improvement Activities40

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.

Otolaryngology (Pediatric Otolaryngology)
1920 E CAMBRIDGE AVE STE 201
PHOENIX, AZ 85006
Pediatrics (Pediatric Nephrology)
1920 E CAMBRIDGE AVE STE 201
PHOENIX, AZ 85006
Audiologist
1920 E CAMBRIDGE AVE STE 201
PHOENIX, AZ 85006
Speech-Language Pathologist
1920 E CAMBRIDGE AVE STE 201
PHOENIX, AZ 85006
Plastic Surgery
1920 E CAMBRIDGE AVE STE 201
PHOENIX, AZ 85006
Plastic Surgery
1920 E CAMBRIDGE AVE STE 201
PHOENIX, AZ 85006
Medical Genetics (Medical Biochemical Genetics)
1920 E CAMBRIDGE AVE STE 201
PHOENIX, AZ 85006
Physician Assistant
1920 E CAMBRIDGE AVE STE 201
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.