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Dr. Joshua J. Zaritsky, MD, PhD

(Dr. Joshua Jacob Zaritsky, M.D.)

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Specializes in: Adult Nephrology, Pediatric Nephrology and General Pediatrics

Stanford University School of Medicine

Professional interests include: hypertension (high blood pressure), kidney problems, proteinuria (protein in urine), and more.

333 North Santa Rosa Floor 2
San Antonio, TX 78207

(210) 704-3705

Dr. Joshua J. Zaritsky, MD, PhD is a nephrologist in Center Valley, PA specializing in adult nephrology, pediatric nephrology and general pediatrics. He graduated from Stanford University School of Medicine. Dr. Joshua J. Zaritsky, MD, PhD is affiliated with CHRISTUS Health, Baylor College of Medicine, Phoenix Children's, St. Luke's University Health Network, Drexel University College of Medicine, Philadelphia, PA, Clinical Series, Child Health, University of Arizona College of Medicine - Phoenix, Department of Pediatrics, Creighton University School of Medicine, Thomas Jefferson University's Sidney Kimmel Medical College, Philadelphia, PA, David Geffen School of Medicine at the University of California, Los Angeles, CA and Florida State University College of Medicine, Tallahassee, FL.

Office Locations

5425 Lanark Road Suite 300
Center Valley, PA 18034

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1919 E. Thomas Road
Phoenix, AZ 85016

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CHRISTUS Health

333 North Santa Rosa Floor 2
San Antonio, TX 78207

(210) 704-3705

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Some issues Dr. Joshua J. Zaritsky, MD, PhD can help you with:

Kidney Stones

Kidney stones are hard deposits that form in the kidneys, made up of minerals that are normally present in urine. They can vary in size, from as small as a grain of sand to as large as a nickel, occasionally even larger. Sometimes they lodge in the kidney, and sometimes they break free and make their way out through the urinary tract, which can be extremely painful.

Kidney stones can be smooth or jagged and are yellow to brown in color. They are mostly comprised of the minerals calcium, oxalate, and phosphorus. Examining the stones to see what they are made of can show what caused the stone to be formed in the first place. For example, a stone made of mostly calcium, which is the most common type, can happen any time the urine becomes too concentrated due to dehydration or a blockage in the kidney. A uric acid stone forms when acid levels in the urine get too high, usually due to excessive consumption of animal protein such as meat and fish. A struvite stone is a sign of certain infections, and a cystine stone can be due to a genetic disorder that raises the risk of kidney stones.

The most common symptom of kidney stones is pain, either in the back or lower abdomen, or severe pain when urinating. There may also be blood in the urine. Treatment for kidney stones depends on how large the stone is. Very small stones can pass out of the body on their own, and they do not require treatment other than drinking adequate water and taking pain killers. Larger stones need to be broken apart and removed. The main treatment options are:

Shock wave lithotripsy, which uses sound wave vibrations to break apart the stone
Percutaneous nephrolithotomy, or the use of a very tiny tool (like a wire inserted through the back) to break apart and remove the stone
Ureteroscopy, a thin tube inserted through the urethra and bladder to the stone, where tiny tools can grasp the stone and remove

People who have had one kidney stone are at risk of developing another. To reduce this risk, patients are given instructions specific to the type of stone they developed. Generally the instructions will include drinking more water to dilute the urine, but it may also involve lowering sodium intake or eating less meat.

Noteworthy Medicare Patient Procedures Performed by Dr. Joshua J. Zaritsky, MD, PhD in 2023

Click on any procedure below to see further details on volume and pricing among Medicare patients.

Top 5%

By Volume:

inpatient hospital care

In 2023, Dr. Joshua J. Zaritsky, MD, PhD performed more inpatient hospital care (for patient admitted to hospital) procedures for Medicare patients than 95% of providers in related specialties within Pennsylvania.

Medicare Procedure and Patient Information

2012 Medicare Procedure Volume

The top procedures that Dr. Joshua J. Zaritsky, MD, PhD treated as a nephrologist in Center Valley, PA during 2012 were hospital care and inpatient care.

Volume of procedures performed by Dr. Joshua J. Zaritsky, MD, PhD for Medicare patients.

doctor visit	53
hospital care	67
inpatient care	67

Medicare Procedure and Patient Information

2013 Medicare Procedure Volume

Volume of procedures performed by Dr. Joshua J. Zaritsky, MD, PhD for Medicare patients.

doctor visit	16

2013 Medicare Patient Data

Information about Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD.

**Gender**
Male	16
Female	13

**Ethnicity**
Non-Hispanic White	11
Black	0
Hispanic	0
Asian	0
Other	0
Native American	0

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	29

Conditions of Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD in 2013

Hypertension	52
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2015 Medicare Patient Data

Information about Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	24

Conditions of Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD in 2015

Hypertension	0
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2016 Medicare Patient Data

Information about Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	16

Conditions of Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD in 2016

Hypertension	75
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2017 Medicare Procedure Volume

The top procedures that Dr. Joshua J. Zaritsky, MD, PhD treated as a nephrologist in Center Valley, PA during 2017 were hospital care and inpatient care.

Volume of procedures performed by Dr. Joshua J. Zaritsky, MD, PhD for Medicare patients.

hospital care	164
inpatient care	164

2017 Medicare Patient Data

Information about Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	15

Conditions of Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD in 2017

Hypertension	73
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2018 Medicare Procedure Volume

The top procedures that Dr. Joshua J. Zaritsky, MD, PhD treated as a nephrologist in Center Valley, PA during 2018 were hospital care and inpatient care.

Volume of procedures performed by Dr. Joshua J. Zaritsky, MD, PhD for Medicare patients.

hospital care	201
inpatient care	201

2018 Medicare Patient Data

Information about Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	20

Conditions of Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD in 2018

Hypertension	75
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2019 Medicare Patient Data

Information about Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	11

Medicare Procedure and Patient Information

2022 Medicare Patient Data

Information about Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	16

Conditions of Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD in 2022

Hypertension	75
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

2023 Medicare Procedure Volume

The top procedures that Dr. Joshua J. Zaritsky, MD, PhD treated as a nephrologist in Center Valley, PA during 2023 were hospital care and inpatient care.

Volume of procedures performed by Dr. Joshua J. Zaritsky, MD, PhD for Medicare patients.

hospital care	41
inpatient care	41

2023 Medicare Patient Data

Information about Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD.

**Age**
From 65 to 74	0
From 75 to 84	0
85 and over	0
Less than 65	21

Conditions of Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD in 2023

Hypertension	75
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	75
Asthma	0
Osteoperosis	0
Atrial Fibrilation	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Dementia	0
Cancer	0

Medicare Procedure and Patient Information

Average Medicare Procedure Volume From 2012 - 2023

Volume of procedures performed by Dr. Joshua J. Zaritsky, MD, PhD for Medicare patients.

The highest averages for the top procedures that Dr. Joshua J. Zaritsky, MD, PhD treated as a nephrologist in Center Valley, PA were hospital care and inpatient care.

doctor visit	34
hospital care	118
inpatient care	118

Average Medicare Patient Data From 2012 - 2023

Information about Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD.

**Gender**
Female	1
Male	1

**Ethnicity**
Black / African American	0
Asian / Pacific Islander	0
Non-Hispanic White	1
Native American / Alaskan Native	0
Hispanic	0
Other	0

**Age**
85 and over	0
75 to 84	0
Less than 65	16
65 to 74	0

Average of Total of Conditions of Medicare patients treated by Dr. Joshua J. Zaritsky, MD, PhD From 2012 - 2023

The highest averages of the most common conditions of Medicare patients that Dr. Joshua J. Zaritsky, MD, PhD treated were chronic kidney disease and hypertension.

Hypertension	47
High Cholesterol	0
Stroke	0
Ischemic Heart Disease	0
Depression	0
Chronic Kidney Disease	58
Asthma	0
Osteoporosis	0
Heart Failure	0
Chronic Obstructive Pulmonary Disease	0
Diabetes	0
Atrial Fibrillation	0
Dementia	0
Cancer	0

Education & Training

Dr. Joshua J. Zaritsky, MD, PhD graduated from Stanford University School of Medicine. He completed residency at The Children's Hospital, Denver. He is certified by the Certification: American Board of Pediatrics and has a state license in Arizona.

Medical School: Stanford University School of Medicine

Residency: The Children's Hospital, Denver

Board Certification: Certification: American Board of Pediatrics

Licensed In: Arizona

Affiliations & Hospitals

Dr. Joshua J. Zaritsky, MD, PhD is associated with these hospitals and organizations:

CHRISTUS Health

Baylor College of Medicine

Phoenix Children's

St. Luke's University Health Network

Drexel University College of Medicine, Philadelphia, PA

Clinical Series, Child Health, University of Arizona College of Medicine - Phoenix

Department of Pediatrics, Creighton University School of Medicine

Thomas Jefferson University's Sidney Kimmel Medical College, Philadelphia, PA

David Geffen School of Medicine at the University of California, Los Angeles, CA

Florida State University College of Medicine, Tallahassee, FL

Ratings & Reviews

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General Payments

These charts describe general payments received by Dr. Joshua J. Zaritsky, MD, PhD. Doctors may receive payments for a number of reasons, including meal compensation, travel compensation, and consulting.

**Payments by Company**
Ultragenyx Pharmaceutical Inc.	$165,467 Crysvita $143,862	Cryvista $8,278	$13,327
Horizon Therapeutics plc	$111,880 PROCYSBI $111,880
Alexion Pharmaceuticals, Inc.	$109,308 Strensiq $70,400	SOLIRIS $38,507	ULTOMIRIS $274	$126
Kyowa Kirin, Inc.	$47,283 Crysvita $20,048	$27,234
Kaneka Pharma America LLC	$46,674 LIPOSORBER $2,000	$44,674
Other	$226,628 PROCYSBI $76,829	OXLUMO $37,430	Imcivree $20,892	Thiola $20,165	NXSTAGE SYSTEM ONE $4,843	Other $66,468

**Types of Payments**
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program	$290,371
Honoraria	$203,285
Travel and Lodging	$92,424
Consulting Fee	$90,666
Food and Beverage	$18,274
Other	$12,219

Research Payments

Dr. Joshua J. Zaritsky, MD, PhD has received 51 research payments totaling $139,144.

Biography

Dr. Joshua Zaritsky is a physician who specializes in pediatric nephrology, adult nephrology, and general pediatrics. Dr. Zaritsky attended Stanford University School of Medicine and subsequently trained at The Children's Hospital, Denver for residency. His clinical interests include kidney stones, hypertension (high blood pressure), and hematuria (blood in urine). He is affiliated with St. Luke's University Health Network, Phoenix Children's, and CHRISTUS Health. Unfortunately, according to Doctor.com, Dr. Zaritsky is not currently accepting new patients.