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About

Family Physicians of Greeley, PLLP is a Colorado-based health care provider offering comprehensive family medicine across three Greeley locations and a new Johnstown site. They provide newborn to adult care, same-day appointments, evening and Saturday hours, and 24/7 on-call coverage. The practice accepts most major insurance and is currently open to new patients. Team includes board-certified family doctors, with a small staff (about 12 employees). Main offices are at 1175 58th Ave #100 (Greeley), 2520 W 16th St (Greeley), and a location in Greeley, CO, with additional services expanding to Johnstown, CO. Contact: +1-970-356-2520.

Clinic Type

Family Medicine

Address

2520 West 16th Street, Greeley, CO 80634 (Central Office); additional Office locations mentioned: West Office near 71st Ave, Cottonwood Office at 2420 West 16th Street, Johnstown Office

Phone

970-356-2520

Email

Opening Hours

Mon–Fri 7:30am–5:00pm; Sat 8:00am–12:00pm (Central Office hours listed; note 24/7 on-call and 24 hours a day, 7 days a week noted)

Emergency Care

24/7 on-call doctor; 24 hours day, 7 days a week

Services Offered

  • comprehensive primary care
  • family medicine
  • same-day appointments
  • 24/7 doctor on-call
  • adult and pediatric care
  • preventive care
  • immunizations
  • chronic disease management
  • acute illness care
  • women’s health
  • ear piercing (medical)

Team

  • Donald G. Allely, MD — MD founder
  • Charles C. Chesley, MD — MD founder
  • Robert P. Gentry, MD — MD founder
  • Kenneth M. Olds Jr., MD — MD founder
  • Charles S. Westrup, MD — MD founder

Insurance & Payment

Not available on page

Languages Spoken

FAQs

New Patient Inquiry

Feel free to send us a message. Please include non-medical questions and correspondence only. For a faster response, please call our office instead.

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • fpgreeley.com: 5/5 (based on 970 ratings) - official site reported (970)
  • location.com: 4.4/5 (466)
  • BestProsInTown (Central): Not explicitly stated average rating (90)
  • BestProsInTown (West): Not explicitly stated average rating (168)

Patients praise

  • Many patients praise the physicians for being thorough, attentive, and caring
  • Appreciation for the practice's ability to provide same-day or timely appointments
  • General recognition of the professional and skilled medical team
  • Staff often noted as helpful and friendly by many patients despite mixed feedback on administration

Common complaints

  • Some reports of unprofessional or rude front desk staff and communication issues
  • Specific concerns regarding the attentiveness and diagnostic thoroughness of some providers
  • Complaints about difficulty scheduling appointments and long wait times on the phone
  • Instances of perceived dismissiveness toward patient concerns

"Dr. Tamara Clang and Sylvia are truly incredible. I always feel safe, respected..."

fpgreeley.com

"Angela Eussen and Greeley Family Physicians only care about making money and scheduling unnecessary appointments. When questioned she becomes hostile."

medicals-health.com

"Very rude customer service! ... she preceded to tell him that he was on the wrong medication ... and immediately hung up the phone."

medicals-health.com

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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