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Summary: This page is a profile for Adventist Health, a health system with multiple California acquisitions (including St. Helena, Glendale, Sonora, White Memorial, and Ukiah Valley) and an extensive network of clinics and facilities (approximately 32 offices with several listed addresses in California). It outlines key leadership and clinical roles across the system, such as directors of infection prevention, IT, pharmacy, emergency medicine, and medical officers, plus various nursing, surgical, and support positions. The content suggests Adventist Health Ukiah Valley as part of the broader Adventist Health network, but it does not provide specific information about Dr. Naum Spiegel, MD, or a dedicated urology profile for Ukiah, CA. If you’re seeking Dr. Spiegel’s urology practice within Adventist Health Ukiah, this page does not contain that detail; consider checking the Adventist Health Ukiah Valley urology section or contacting the hospital directly for physician-specific information.

Clinic Type

Urology

Address

240 Hospital Drive, Ukiah, CA 95482

Phone

707-462-1928

Email

corpcomp@ah.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Urology

Team

  • Naum Spiegel, Board Certified in Urology, 1998 — MD, Urology

Insurance & Payment

  • Aetna
  • AH Employee/ Incentive Health
  • Anthem
  • Blue Shield
  • Cigna
  • Health Net
  • Health Smart
  • HealthNet
  • HealthSmart
  • Medicare Railroad
  • Multiplan5
  • Network by Design
  • Partnership (Under Hospital TIN)
  • PAVE
  • Tricare
  • TriWest3
  • UHC
  • Aetna (incl BH)

Please contact the practice directly to confirm your health plan is accepted.

Languages Spoken

  • Russian
  • Spanish
  • English

FAQs

What conditions does this urologist treat?

Prostate enlargement, Overactive bladder, Incontinence, Kidney stones, Bladder cancer, Prostate cancer, Hematuria, Interstitial Cystitis (painful bladder syndrome), Kidney infection

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Adventist Health Provider Portal: 4.6 out of 5 stars (based on 118 ratings) (118 ratings, 12 reviews)
  • US News Doctors: 3 out of 5 stars (59 reviews)
  • Healthgrades: 3.1 out of 5 stars (16 reviews)
  • Vitals: 3.5 out of 5 stars
  • WebMD: 3.5 out of 5 stars (10 ratings)

Patients praise

  • Perceived competence and knowledge as a surgeon
  • Some patients find him sensitive and caring
  • Professional and clear in providing medical advice for some patients
  • Efficient appointment scheduling reported by some users

Common complaints

  • Concerns regarding bedside manner and communication style
  • Difficulties in obtaining answers from the doctor
  • Occasional reports of long wait times
  • Mixed perceptions of listening and patient engagement

"I believe he is a good surgeon but terrible at giving answers to patients or even listening to them!"

Adventist Health Patient Reviews

"Though Dr. Spiegel has received negative reviews on his bedside manner, I find him sensitive, caring and expressive. We have become friends - much more than providing and patient."

Adventist Health Patient Reviews

"What could be improved: Didn't listen or answer questions; Didn't explain conditions well."

Healthgrades Patient Reviews

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.

More urology clinics in Ukiah

Ukiah, CA·Urology

Summary: - Adventist Health Ukiah Valley is part of the Adventist Health system and operates a hospital and clinics in Ukiah, California. - The system has grown through acquisitions, including St. Helena, Glendale, Sonora, White Memorial, and Ukiah Valley, expanding its presence across Northern California. - For urology services specifically at Adventist Health Ukiah Valley, you can expect integrated care within the regional Adventist Health network, with access to general and specialty urology services through its facilities in Ukiah and nearby locations. If you want, I can look up current urology specialists, appointment availability, or hours for Adventist Health Ukiah Valley.

VerifiedOnline bookingEmergency careSince 1980

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