Live
Read now

Gastroenterology in Ukiah, CA - ProviderMatch - Adventist Health

3.9 out of 5 · 60 reviews

Gastroenterology • Ukiah, CA • Since 1980

About

Gastroenterology in Ukiah, CA at Adventist Health Ukiah Valley - Adventist Health Ukiah Valley provides gastroenterology services as part of the Adventist Health network in Ukiah, CA. - The location is part of the system’s broader Northern California offerings, which include several hospitals acquired in 2020s (e.g., St. Helena, Glendale, Sonora, White Memorial) and multiple regional offices. - Services typically include diagnostic and therapeutic GI care (colonoscopy, endoscopy, GI consults, prevention/screening for colorectal cancer, and GI-related conditions), delivered through Adventist Health Ukiah Valley and associated providers. Key address: - 275 Hospital Dr, Ukiah, CA 95482 (note: verify exact clinic address on the Adventist Health Ukiah Valley site or contact center)

Clinic Type

Gastroenterology

Address

234 Hospital Drive, Ukiah, CA 95482

Phone

707-463-7356

Email

—

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

—

Team

  • Razi M Arifuddin, MD — Gastroenterologist
  • Stephen J DeNigris, MD — Gastroenterologist

Insurance & Payment

—

Languages Spoken

—

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Birdeye (Gastroenterology: Adventist Health Ukiah Valley): 3.9 out of 5 stars (60 reviews)
  • Adventist Health ProviderMatch (Dr. Razi M Arifuddin): 4.7 out of 5 stars (48 ratings, 5 reviews)

Patients praise

  • High level of provider knowledge and professionalism
  • Clear explanation of medical conditions and treatment plans
  • Effective follow-up communication, including detailed phone consultations
  • Trust in provider expertise and judgment

Common complaints

  • Long wait times for appointments and scheduling procedures (specifically colonoscopies)
  • Difficulty reaching the office by phone or scheduling visits
  • Perception of rushed care or limited patient-provider communication time
  • Isolated reports of dissatisfaction with diagnostic thoroughness

"Dr. Arifuddin explained my condition thoroughly and gave a lot of information on what I could do to improve the situation. He was kind, professional and knowledgeable."

— Adventist Health ProviderMatch Patient Review

"He needs to slow down and let patients ask questions and express any concerns."

— Adventist Health ProviderMatch Patient Review

"His office however makes it extremely difficult to see him, even if you are in an urgent..."

— Healthgrades Patient Review

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.

ClinAdsby ClinsightBuilt for clinicsYour clinic’s marketing team, powered by AI.On-brand ads, SEO, and social campaigns in one place.Generate your first clinic ad for free Clincyby ClinsightBuilt for practicesGet more revenue from the patients you already have.Voice and SMS that follow up until lapsed patients are back on the schedule.Book a Clincy call DDS RecruitPowered by ClinsightDental recruitingYour practice’s fractional recruiting team.Dental-only search, run end to end, with placements guaranteed for a year.Find your next hire

Comparing your options?

See other gastroenterology clinics in Ukiah, or search the full directory by insurance, ratings, and more.

More Gastroenterology Clinics