Sherrill Weller, DO

Internal Medicine • Flagstaff, AZ

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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) - 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

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Clinic Type

Internal Medicine

Address

107 E OAK AVE, FLAGSTAFF, Arizona 86001, US

Phone

928.213.5

Email

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Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://www.ryanim.com/providers.html

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

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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].

In the News

Dr. Katherine Weller, MD - Strongsville, OH - Allergy and Immunology, Pediatric Allergy and Immunology — Apr 17, 2026
Jaime Weller-Lafavor — Jun 30, 2026

Information sourced from the clinic's website as of July 10, 2026. Own this clinic? Claim or correct this listing.