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Clinic Type

Internal Medicine

Address

Sierra Vista, AZ 85635

Phone

+1-520-263-2000

Email

feedback@canyonvistamedicalcenter.com

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Primary care
  • Family medicine
  • Internal medicine
  • Wellness visits
  • Preventive care
  • Acute and chronic illness management
  • Annual physicals
  • Well-child exams
  • Diabetes education
  • Immunizations
  • Mental health
  • Nutrition counseling
  • Referrals to specialists & home health
  • Women's health (including female reproductive health)
  • Care coordination
  • Care for ages and families

Team

  • Jessica Calvo Castanon, M.D. — M.D.
  • Philip M. LeSueur, MD — M.D.

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye (Dr. Parag Patel): 3.7/5 stars (67 reviews)
  • Birdeye (Sierra Vista Family Health Center): 3.4/5 stars (18 reviews)
  • Healthgrades (Dr. Ann Lebeck): 5.0/5 stars (6 reviews)
  • U.S. News Health: 4/5 stars (Varies by provider (e.g., 21 to 77 reviews))

Patients praise

  • Providers are generally described as knowledgeable, compassionate, and attentive
  • Many patients report feeling listened to and not rushed during appointments
  • Staff friendliness and professionalism are praised at several highly-rated clinics
  • Successful treatment outcomes and comprehensive care for chronic issues

Common complaints

  • Difficulty reaching office staff by phone and long hold times
  • Concerns regarding administrative staff professionalism and office management
  • Inconsistent communication or delays regarding lab results and appointments
  • Occasional reports of feeling rushed or dismissed by certain providers or clinical staff

"Dr. Patel is very intelligent and caring doctor. He never rushes you and answers all your questions."

Birdeye (Dr. Parag Patel)

"This experience with this facility has been some of the worst I have experienced... the people who work there and in the pharmacy probably should get a call center job because they have no idea what they’re doing."

Birdeye (Sierra Vista Family Health Center)

"Carnett Clinic you have wonder NP's, however your office staff is absolutely HORRIBLE!... GET RID OF YOUR OFFICE MANAGER or LOSE LOYAL PATIENTS."

Healthgrades (Dr. Mark Carnett)

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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