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Clinic Type

Urology

Address

23823 Valencia Blvd, Suite 130, Santa Clarita, CA 91355

Phone

(661) 705-1774

Email

david.embleton@uniohp.com

Opening Hours

9:00am - 5:00pm

Services Offered

  • Urology
  • Laparoscopic surgery
  • Nephrectomy
  • Prostatectomy
  • Vasectomy
  • OAB (Overactive Bladder) patient navigator program
  • Axonics therapy for urinary and bowel dysfunction
  • Medically integrated dispensing (MID)
  • Urology consultations/treatments
  • Prostate health/PSA testing
  • Bladder evaluations
  • Urinary tract infections (UTIs)
  • Kidney stones
  • BPH
  • Incontinence
  • Erectile dysfunction
  • Urologic cancers
  • Ejaculatory dysfunction
  • Female sexual dysfunction
  • Hematuria

Insurance & Payment

—

Credit/debit cards, Cash, Check, Accepted by practice as per payer policies

Languages Spoken

  • English

Current Offers

Welcoming New Patients

FAQs

What conditions do you treat?

We treat UTIs, kidney stones, prostate enlargement (BPH), incontinence, erectile dysfunction, urologic cancers, and urinary disorders.

Are you accepting new patients?

Yes. We welcome new patients for prostate and bladder health screenings. Most patients can schedule directly—no referral required.

Do you offer vasectomy

Yes, we perform vasectomies and vasectomy reversal consultations in our Santa Clarita clinic.

What should I bring to my first appointment?

Bring your ID, insurance card, list of medications, referrals (if applicable), and relevant medical records.

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Vitals: 4.1/5 (69 ratings, 45 reviews)
  • WebMD: 4.0/5 (62 ratings, 21 reviews)
  • DocSpot: 4.87/5 (1141 ratings)

Patients praise

  • excellent bedside manner and communication skills
  • thorough explanations of medical conditions and options
  • professional and accommodating office staff
  • long-term patient relationships spanning over 10-15 years
  • efficient and clean office environments

Common complaints

  • some patients note long wait times for appointments

"Dr. Sender has a good bedside manner. He is very thorough in explaining my situation. He’s also very thorough in any additional tests that are needed to fully know my situation. He has been my urologist for over 15 years."

— WebMD patient review for Dr. Mark Sender

"My visit to this office and all the folks within was amazing. I was in a personal crisis in my situation and my issue was resolved during my time there. Dr. Gestopa explained many things about my condition, my options and possible outcomes."

— WebMD patient review for Ryann Gelon Gestopa, MSN, ACNP-BC

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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