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Clinic Type

Primary Care

Address

3850 Grand Avenue, Oakland, CA 94610

Phone

888-663-6331

Email

techsupport@onemedical.com

Opening Hours

Mon, Tue, Thu, Fri: 8AM–5PM; Wed: 8AM–4PM; Sat–Sun: Closed (Lab hours vary)

Telehealth

24/7 Video Chat with providers who listen

Services Offered

  • Primary care for kids and adults
  • Same/next-day appointments
  • 24/7 Video Chat with providers
  • Preventive care (physicals and screenings)
  • Chronic disease management
  • Mental health services (Mindset by One Medical)
  • Women’s health (primary care providers handle many issues)
  • Lab services coordination
  • Home for healthcare for whole family

Team

  • Nicole Fernandes, NP — NP
  • Scott Berning, FNP — FNP
  • Garnetta Gonzalez, PA-C — PA-C
  • Maria Bhaijee, MD — MD
  • Jerry Wong, FNP-c — FNP-C
  • Katharine Peterson, MD — MD
  • William Sellman, MD — MD
  • Peggy Newcomer, DO — DO
  • Jerusalem Makonnen, FNP-C — FNP-C
  • Gita Moarefi, MD — MD

Insurance & Payment

Copays or deductibles may apply; appointments billed to insurer or patient

Insurance billed at appointment, Copays/deductibles accepted, Copays or deductibles may apply to visits billed to insurance, appointments billed to you or your insurance

Languages Spoken

FAQs

What services are available at Oakland Grand Lake One Medical?

Primary care for kids and adults, preventive care, mental health, women’s health, chronic disease management, and more.

What is primary care?

(From the page: commonly describes the scope of One Medical’s primary care services, including comprehensive care for kids and adults, prevention, and ongoing health management.)

Do you take my insurance?

(Page indicates visits are billed to you or your insurance; copays or deductibles may apply.)

Can I use One Medical if I have insurance that isn’t accepted by your offices?

(Not explicit in provided text; return null.)

How can I contact my primary care provider?

(Page mentions ability to contact providers; specific contact method not provided in excerpt.)

Can I get lab work done at One Medical?

(FAQ exists, but exact answer not provided in excerpt.)

Which appointment type should I use?

(FAQ exists; no specific guidance in excerpt.)

Can you refill my prescriptions? Or help me get a new prescription?

(FAQ exists; no specific guidance in excerpt.)

How do I choose a provider?

(FAQ exists; no specific guidance in excerpt.)

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Birdeye/Google: 4.2 out of 5 stars (94 reviews)

Patients praise

  • efficient appointment scheduling and reduced wait times
  • attentive and thorough medical providers
  • modern and comfortable office environment
  • comprehensive and patient-centered care

Common complaints

  • occasional timing discrepancies with laboratory appointments

"Doctor Newcomer spent almost 45 full minutes with me and was super through. She made sure I felt heard..."

Yelp Review

"I really like, and feel comfortable working out my medical concerns with my PA-C. She might even be better than several bonifide Drs that I've seen!"

Birdeye/Google Review

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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