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Clinic Type

Endocrinology and Metabolism

Address

Walnut Creek, CA

Phone

855-398-1633

Email

S3ContactCenterCBO@sutterhealth.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Endocrinology
  • Diabetes care
  • Metabolism
  • Endocrinology and metabolism team
  • Doctors
  • Nurse practitioners
  • Physician assistants

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades: 4.6 out of 5 stars (based on 10 reviews) (10)
  • Healthgrades: 5.0 out of 5 stars (based on 8 reviews) (8)
  • WebMD: 4.0 out of 5 stars (based on 25 ratings) (25)
  • US News Health: 4 out of 5 stars (based on 22 reviews) (22)
  • Vitals: 3.9 out of 5 stars (Not explicitly stated)

Patients praise

  • Some patients appreciate doctors who are thorough, caring, and persistent in diagnosing complex issues
  • Positive feedback on in-office testing capabilities saving time and costs
  • Appreciation for providers who explain conditions clearly and are good with children (in pediatric cases)
  • Some doctors are described as direct, to the point, and professional

Common complaints

  • Reports of doctors not listening to patient concerns or focusing only on lab numbers
  • Complaints about rushed appointments and insufficient time spent with patients
  • Frustration with office processes, including scheduling difficulties and repetitive intake questions
  • Some patients felt condescended to or dismissed by the provider
  • Instances of perceived misdiagnosis or inadequate communication of treatment plans

"Making an appointment is easy - it may take a little while to get in with her but that is with any doctor."

Healthgrades (Dr. Arzamendi)

"I do not understand the great reviews... To her I was nothing but a bunch of lab numbers. She does not listen to my symptoms... I advise you to steer clear of any doctor who refuses to listen to you."

WebMD (Dr. Arzamendi)

"Don't expect to get the opportunity to speak with him for more than 60 seconds because that's all the time he has to explain anything... he'll just dismiss you and go on to his next patient."

Vitals (Dr. Klebanov)

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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