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About

Sherrill Weller, DO is a physician tied to Ryan Internal Medicine PC, a private, Flagstaff, AZ-based medical practice offering primary care services. The practice provides home visits, in-office patient care, COVID-19 resources, vaccines, and patient portals. Key details: - Location: Flagstaff, Arizona (HQ at 107 E Oak Ave; additional Flagstaff offices) - Type: Private physician practice (B2C), 4 employees - Specialties/Services: Internal medicine primary care; COVID-19 resources and vaccines; patient portal for updates and follow-up - Contact: 928-213-5881 - Web: ryanim.com - Workforce: United States-based medical staff; clinician-led (specialists) If you’re seeking Sherrill Weller, DO specifically, you may want to contact the practice directly or check LinkedIn for current clinician affiliations, as the directory provided lists the practice as a whole without individual practitioner details.

Clinic Type

Internal Medicine

Address

107 E OAK AVE, FLAGSTAFF, Arizona 86001, US

Phone

928.213.5

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Internal Medicine
  • Pediatric Medicine
  • Palliative Care and Hospice Medicine
  • Ultrasound (Ultrasonography) Services? (implied by ultrasonographer)

Technology & Equipment

  • Ultrasound
  • Internal Medicine

Team

  • Dr. Keith Ryan, Board certified by the American Board of Internal Medicine; MD from University of Missouri-Columbia; internship and residency at University of Utah Hospital and Clinics, Salt Lake City, UT; interests: family, travel, outdoor activities, music with band F-Town Sound — Physician
  • Dr. Sherrill Weller, Board certified by the American Board of Internal Medicine; DO from Western University of Health Sciences (1997); Navy service; internship/residency at Naval Medical Center San Diego; awards: Navy Marine Corps Commendation Medal (2); Fellowship in American College of Physicians — Physician
  • Cindy Martin, Triple board certified in Pediatric Medicine, Internal Medicine and Palliative Care/Hospice Medicine; Flagstaff Medical Center Physician of the Year (2011); former President of Flagstaff Medical Center Medical Staff (2014) — Physician
  • Stacie, 18 years in medical field; with Ryan Internal Medicine ~3 years — Office Manager
  • Krystalynn, MA since 2004; trained at The Bryman School, Phoenix — Medical Assistant
  • Thom, Extended AS in Applied Science Ultrasound; AZ Heart Institute School of Cardiac & Vascular Ultrasound; Northern Michigan roots; resident of Verde Valley — Ultrasonographer

Insurance & Payment

Languages Spoken

  • English

Current Offers

Insurance

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Healthgrades: 5.0 out of 5.0 (based on 3 ratings) (3 ratings mentioned on Healthgrades)

Patients praise

  • Thorough and knowledgeable patient care
  • Great communication skills
  • Personable bedside manner

Common complaints

  • No specific complaints or negative experiences identified in available public documentation.

"Very thorough, knowledgeable, great communication, and personable. I feel very fortunate to have her as my internist."

Healthgrades patient review (August 15, 2021)

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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