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Dr. Joshua Greenstein, MD
Nephrology* Age 55
Dr. Joshua Greenstein, MD
5.0 (1 Ratings)

Offers telehealth
Map Pin Small Escondido, CA
Dr. Joshua Greenstein, MD is a Nephrologist in Escondido, CA.
Dr. Joshua Greenstein, MD
5.0 (1 Ratings)

Dr. Joshua Greenstein, MD

Nephrology* Age 55
Escondido, CA
Accepting new patients

Offers telehealth

Dr. Joshua Greenstein, MD is a Nephrologist in Escondido, CA.
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About Dr. Joshua Greenstein, MD

Dr. Greenstein graduated from University of California, Los Angeles David Geffen School of Medicine and completed a residency at Ucla Mc. Dr. Joshua Greenstein, MD is a Nephrologist in Escondido, CA. Dr. Greenstein currently practices at Balboa Nephrology - Escondido and is affiliated with Palomar UC San Diego Health Escondido and Palomar UC San Diego Health Poway. Dr. Greenstein has experience treating conditions like Hyperkalemia, Hypertensive Chronic Kidney Disease, Hyposmolality and Hyponatremia, Hypokalemia, Acidosis, Parathyroid (Gland) Disease, Hyperparathyroidism, Chronic Kidney Diseases, Nephritis and Nephropathy and Chronic Kidney Disease Stage V among other conditions at varying frequencies. Dr. Greenstein's office accepts new patients and telehealth appointments. Dr. Greenstein also speaks Spanish. Dr. Greenstein is board certified in Nephrology and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Low Wait Times

Patients are usually seen in 10 minutes or less.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Where Dr. Joshua Greenstein, MD Sees Patients

  1. 1 Balboa Nephrology - Escondido
    1955 Citracado Pkwy, Escondido, CA 92029
    Icon Directions Right Arrow Directions Phone Icon (858) 429-6462
  2. 2 Balboa Nephrology Medical Group
    15708 Pomerado Rd Ste N205, Poway, CA 92064
    Icon Directions Right Arrow Directions Phone Icon (858) 429-6462

Experience and Background Check

Hyperkalemia
Hypertensive Chronic Kidney Disease
Hyposmolality and Hyponatremia
Hyperkalemia
Hypertensive Chronic Kidney Disease
Hyposmolality and Hyponatremia
Hyperkalemia
Hypertensive Chronic Kidney Disease
Hyposmolality and Hyponatremia
Hypokalemia
Acidosis
  • View other providers who treat Acidosis
Parathyroid (Gland) Disease
Hyperparathyroidism
Chronic Kidney Diseases
Nephritis and Nephropathy
Chronic Kidney Disease Stage V
Renal Hyperparathyroidism
Chronic Kidney Disease Stage IV
End-Stage Renal Disease
Chronic Kidney Disease Stage III
Secondary Renovascular Hypertension
Diabetes With Renal Manifestations
Acute Kidney Failure
Hemodialysis
Chronic Kidney Disease Stage II
Proteinuria
Calcium Metabolism Disorders
Hypertensive Heart and Chronic Kidney Disease
Vitamin D Deficiency
Congenital Cystic Kidney Disease
Autosomal Dominant Polycystic Kidney Disease (ADPKD)
Hypercalcemia
Mineral Metabolism Disorders
Hypotension (Excluding Maternal)
Renal Osteodystrophy
Limb Swelling
Systemic Vasculitis
Hydronephrosis
Vasculitis
Hypertension
Gout
  • View other providers who treat Gout
Chronic Kidney Disease Stage I
Chronic Nephritic Syndrome
Phosphorus Metabolism Disorders
Magnesium Metabolism Disorders
Acute Kidney Infection
Acute Nephritic Syndrome
Alkalosis
Amyloidosis
Chronic Glomerulonephritis
Chronic Kidney Infection
Chronic Tubulo Interstitial Nephritis
Classic Polyarteritis Nodosa
Congenital Anomalies of Kidney
Congenital Medullary Cystic Kidney Disease
Congenital Renal Agenesis and Dysgenesis
Congenital Renal Dysplasia
Dehydration
Hepatitis B - Immune Response
Hepatorenal Syndrome
Kidney Hypertrophy
Kidney Infection
Kidney Stones
Limb Swelling Caused by Fluid Overload
Microscopic Polyangiitis
Nephrotic Syndrome
Pyonephrosis
Rapidly Progressive Nephritic Syndrome
Renal Artery Arteriosclerotic Disease
Rhabdomyolysis
Tubulointerstitial Nephritis
Ureteral Stones
Wegener's Granulomatosis
Kidney Transplant Evaluation
Living Kidney Donor Evaluation
Peritoneal Dialysis
Renal Scan
Ultrasound

What Patients Say

Likelihood to recommend Dr. Greenstein
5.0
Based on 1 Reviews
5 Stars (1)
4 Stars (0)
3 Stars (0)
2 Stars (0)
1 Star (0)

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Patient Reviews
May 06, 2025
Always caring, interested and focused. He's been my doctor for 24 years. Whether it's routine oversight or major surgery issues, he addresses everything and makes 'perfect' referrals.
— May 06, 2025
See more reviews on Healthgrades

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Priority Select-CA HMO
    Platinum (Prudent Buyer PPO/ Small Grp)-CA PPO
    Tenet Network-CA PPO
    Traditional
    Platinum (CaliforniaCare HMO/ Small Grp) HMO
    MemorialCare Custom-CA PPO
    Select Plus-CA HMO
    Silver EPO (Prudent Buyer EPO/ Small Grp)-CA
    Gold Select (Select / Small Grp)-CA HMO
    PERS Choice / PERSCare Providers-CA PPO
    Bronze (Prudent Buyer PPO/ Small Grp)-CA PPO
    Platinum Priority Select-CA HMO
    Gold Priority Select-CA HMO
    UC Resident and Fellows-CA PPO
    Gold Advantage-CA PPO
    Gold EPO (Prudent Buyer EPO/ Small Grp)-CA
    UCSHIP-CA PPO
    UC Medicare without Prescription Drugs-CA PPO
    Bronze EPO (Prudent Buyer / Small Grp)-CA PPO
    Bronze EPO (Prudent Buyer EPO/ Small Grp)-CA
    Blue Cross (Prudent Buyer) - Individual-CA PPO
    Dignity Health PHC EPO & HDP/HSA-CA
    UC CORE-CA PPO
    PERS Traditional-CA HMO
    Blue Cross (Prudent Buyer) - Small Group-CA PPO
    Lumenos Plans-CA PPO
    Blue Cross (Prudent Buyer) - Large Group-CA PPO
    Gold (Prudent Buyer PPO/ Small Grp)-CA PPO
    Silver w/ H.S.A (Prudent Buyer PPO/Small Grp)-CA PPO
    Silver EPO w/ H.S.A (Prudent Buyer/Small Grp)-CA PPO
    UC Care-CA PPO
    Traditional PPO
    Dignity Health EPO / PPO-CA
    Advantage-CA PPO
    UC Health Savings Plan-CA
    Gold EPO (Prudent Buyer / Small Grp)-CA PPO
    Silver Priority Select-CA HMO
    Select-CA HMO
    EPO-CA
    Gold (CaliforniaCare HMO/ Small Grp) HMO
    Silver Select (Select / Small Grp)-CA HMO
    Major Risk Medical Insurance Program (MRMIP) - Prudent Buyer-CA PPO
    Dignity Health Custom Advantage-CA HMO
    Blue Cross (Prudent Buyer) - Student Health-CA PPO
    Blue Cross (CACare) - Small Group-CA HMO
    Silver (CaliforniaCare HMO/ Small Grp) HMO
    Blue Cross (CACare) - Individual-CA HMO
    Bronze w/ H.S.A (Prudent Buyer PPO/Small Grp)-CA PPO
    USC Plan (Two Tiered Network)-CA HMO
    Dignity Health Ventura EPO/PPO-CA
    Blue Cross-CA HMO-POS
    Silver (Prudent Buyer PPO/ Small Grp)-CA PPO
    National (BlueCard) PPO
    Blue Cross (CACare) - Large Group-CA HMO
    National (BlueCard Basic) PPO
    Platinum Select (Select / Small Grp)-CA HMO
    Silver Advantage-CA PPO
    UC High Option Supplement to Medicare-CA
    UC Medicare with Prescription Drugs-CA PPO
    Balanced (Prudent Buyer)-CA PPO
    Advantage-CA HMO
  • HealthyBlue Advantage
    HealthyBlue 2.0
  • Aetna
    Choice Plus POS II
  • Blue Card PPO
  • Priority Select HMO
    Advantage Preferred DirectAccess Plus PPO
    Blue Cross Blue Shield of California PPO
  • MultiPlan PPO
  • Gold Value
  • Choice Care PPO
  • Local Access Plus HMO
    Access Plus Savenet
  • Cigna
    Open Access Plus
    LocalPlus
    Cigna PPO

Meet Dr. Joshua Greenstein, MD

Biography
  • Dr. Joshua Greenstein, MD is a nephrologist in Escondido, CA. He specializes in Nephrology.
Biography
Languages Spoken
Spanish
Languages Spoken
Specialties*
Nephrology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Training & Medical Education
Medical Education
  • University of California, Los Angeles David Geffen School of Medicine
Medical Education
Board Certifications
  • Nephrology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Residency Hospital
  • Ucla Mc
    2000
Residency Hospital
Fellowship Hospital
  • Stanford University
Fellowship Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Greenstein communicate via email?
8 users said yes.
Yes
(8)
No
(2)
Does Dr. Greenstein offer telehealth services or virtual visits?
10 users said yes.
Yes
(10)
No
(1)
Does Dr. Greenstein offer an online patient portal?
10 users said yes.
Yes
(10)
No
(1)
Does Dr. Greenstein have free onsite parking?
13 users said yes.
Yes
(13)
No
(0)
Does Dr. Greenstein offer weekend visits?
2 users said yes.
Yes
(2)
No
(6)
Does Dr. Greenstein offer evening visits?
6 users said yes.
Yes
(6)
No
(3)
Does Dr. Greenstein specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Greenstein specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Greenstein specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Greenstein specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Greenstein accept insurance?
No responses yet.
Yes
(0)
No
(0)

FAQs About Dr. Greenstein's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Joshua Greenstein, MD. To arrange an appointment, call the number on Dr. Greenstein's profile.

Dr. Greenstein frequently treats the following conditions: Hyperkalemia, Hypertensive Chronic Kidney Disease, Hyposmolality and Hyponatremia, Hypokalemia, Acidosis, Parathyroid (Gland) Disease, Hyperparathyroidism, Chronic Kidney Diseases, Nephritis and Nephropathy and Chronic Kidney Disease Stage V. See more on Sharecare.

Dr. Joshua Greenstein, MD is affiliated with Palomar UC San Diego Health Escondido and Palomar UC San Diego Health Poway.

Yes, Dr. Joshua Greenstein, MD holds board certification in Nephrology.

Hospitals Where Dr. Joshua Greenstein, MD Practices

  • Palomar UC San Diego Health Escondido

    2185 Citracado Pkwy, Escondido, CA

  • Palomar UC San Diego Health Poway

    15615 Pomerado Rd, Poway, CA

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Dr. Joshua Greenstein, MD

Dr. Joshua Greenstein, MD

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Make an appointment

(858) 429-6462
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