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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) If you’re searching for a specific gastroenterology provider, appointment availability, or to confirm current services at Adventist Health Ukiah Valley, I can pull the latest details or help you contact the clinic.

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.

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Ukiah, CA·Gastroenterology

Mendocino Community Health Clinic (MCHC Health Centers) is a nonprofit medical practice founded in 1992 and headquartered in Ukiah, California. It operates as part of MCHC Health Centers and provides a broad range of primary and specialty care services, including pediatrics, perinatal care, family planning, behavioral health, dentistry, and community health worker services. The organization employs about 78 staff and has annual revenue around $5.1 million. Primary address: 333 Laws Ave, Ukiah, CA 95482 (HQ). Additional locations in Lakeport and Willits, with a total of six offices nationwide. Contact numbers: (707) 468-1010 and (855) 367-6242.

VerifiedOnline bookingSince 1992

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