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Clinic Type

Hospital

Address

1070 Iyannough Rd., Suite L10, Hyannis, MA 02601

Phone

888-405-6396; 508-480-9350

Email

techsupport@onemedical.com

Opening Hours

Mon–Fri: 8:30AM–12PM, 1PM–5PM; Sat–Sun: Closed; Special Hours 07/03 Fri Closed

Telehealth

Available

Services Offered

Team

  • Andrew Flewwelling, MD — MD
  • Sharon Mahoney, MD — MD
  • Liz Yung, NP — NP

Insurance & Payment

  • Medicare

Medicare Plans we accept (specifics not listed) Have questions about your eligibility? Call us at 508-480-9350 to learn more about which Medicare plans we accept.

Regular co-pays

Languages Spoken

  • English

FAQs

Which One Medical Seniors providers can I visit?

The Hyannis practice features providers listed on the site (e.g., Andrew Flewwelling, MD; Sharon Mahoney, MD; Liz Yung, NP). Availability may vary by location.

Do you accept my insurance?

Medicare plans are accepted. For exact plan eligibility, call 508-480-9350.

How can I book an appointment?

Contact the Hyannis office at 508-480-9350 or use the One Medical contact options to book.

What do I need to bring to my first primary care visit?

Information typically includes photo ID, insurance details, and any current medications; see office guidance for specifics.

What kinds of services does the One Medical Seniors team provide?

Primary care for adults 65+ on Medicare, on-site labs, care coordination with hospitals and specialists, and a dedicated care team.

What is a Health Coach?

A member of your care team who supports you with preventive care, wellness, and care planning.

Do you offer after-hours or weekend visits?

After-hours or weekend scheduling is addressed through the telehealth/after-hours policies; contact the office for specifics.

Which One Medical Seniors offices can I visit?

Hyannis is listed; availability of other offices can be confirmed by calling the location.

Can I choose my One Medical Seniors provider?

Provider selection is available where possible; confirm with the Hyannis office.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye: 3.1/5 (31 reviews)
  • Yelp: 5.0/5 (3 reviews)

Patients praise

  • Appreciation for ease of access and team-based care model
  • Positive experiences with specific providers mentioned in the clinic
  • Patients noting that the clinic remains a reliable option for seniors seeking care

Common complaints

  • Complaints of feeling rushed during appointments
  • Concerns regarding administrative and scheduling changes following Amazon acquisition
  • Reports of poor communication and difficulty booking or changing appointments
  • Dissatisfaction with staff professionalism or responsiveness in some instances

"My one experience so far, since Amazon took them over, was not a good one on … booking the simple appointment... And if there's anything they should be able to bring to the operation, it should be the efficiency of that. And they blew it."

Local news report citing patient interview

"My primary care doctor at One Medical came across as rude and uninterested. My complaints of severe muscle pain and ins..."

Birdeye review

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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