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Clinic Type

Nephrology (Kidney Associates)

Address

Main office addresses listed by location (Norfolk; satellite offices in South Weymouth, Framingham, Wellesley, Mashpee, Hyannis, Plymouth, etc.)

Phone

(617) 739-2100

Email

hello@hedyandhopp.com

Opening Hours

Regular office hours are Monday through Friday from 9 am to 5 pm; hours vary by office

Emergency Care

In life-threatening emergencies, call 911; for urgent needs go to nearest emergency department; doctor on call 24/7

Services Offered

  • kidney care
  • nephrology services
  • electrolyte disorders
  • hypertension
  • chronic kidney disease
  • end-stage kidney disease
  • kidney transplants
  • kidney stone prevention
  • genetic and familial diseases

Team

  • D. Bora Hazar, MD, MD — Physician
  • Steven M. Spiegel, MD, MD — Physician
  • Joshua S. Hundert, MD, MD — Physician
  • Siddharth J. Bhatt, MD, MD — Physician
  • Melanie Greenan, MD, MD — Physician

Insurance & Payment

  • Medicare
  • most insurance plans

Please contact your insurance company or call our office to verify if we accept your plan.

cash, checks, Visa, MasterCard, Discover, American Express

Languages Spoken

FAQs

What are the hours of operation?

Monday through Friday, 9am-5pm (hours vary by location)

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Vitals / WebMD: Specific provider ratings are available on sites like Vitals and WebMD for the nephrology group practicing in Holyoke (Renal & Transplant Associates of New England). (Varies by individual provider.)

Patients praise

  • General availability of board-certified nephrology care in Holyoke through other groups.

Common complaints

  • No widespread negative themes or complaints publicly documented for these specific practice names in Holyoke.

"The friendly staff at Commonwealth Nephrology Associates welcomes your call and looks forward to serving you."

Commonwealth Nephrology Associates official contact page

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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