Dr. Guy: Best Internal Medicine & Primary Care Doctors Near ...
Internal Medicine • Sonoma, CA • Since 2007
About
Dr. Guy Delorefice, M.D. Inc. is a concierge/internal medicine primary care practice based in Sonoma, California. Key points: - Focus: Personalized internal medicine and primary care with concierge-style service for new/prospective patients. - Location: Sonoma, California (two office entries listed at 370 Perkins St, Sonoma 95476). - Practice details: Small, single-physician operation founded in 2007 with a hands-on, patient-focused approach. - Contact: Phone numbers (707) 938-2321 and (707) 938-1255; website drguysonoma.com. - Web presence: Moderate local footprint with a noted high bounce rate (0.4%) but low pages-per-visit (1.9); relies on QuickBooks for practice management. - Category fit: Healthcare, primary care, concierge physician services in Sonoma County. If you’re seeking top internal medicine/primary care near Sonoma, this practice offers a highly personalized, concierge model from a single physician. For comparison, consider other nearby internal medicine and primary care providers to evaluate range of services, appointment availability, and insurance coverage.
Clinic Type
Internal Medicine
Address
Sonoma County, California (exact address provided on Contact page)
Phone
7078433714
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Opening Hours
Concierge; after-hours access; contact for availability
Website
Emergency Care
Not specified
Services Offered
Team
Insurance & Payment
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Languages Spoken
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Current Offers
New patient availability
FAQs
Are you accepting new patients?
Yes, currently accepting new patients, but space is limited.
Is after-hours access available?
Yes, direct after-hours access via Dr. Guy's personal cell phone for urgent needs.
Are home visits available?
Yes, home visits are available when medically necessary.
Social Media
Photos








What Patients Say
Overall sentiment across review platforms: positive
- WebMD Care: 4 out of 5 (4)
- Healthgrades: 5 out of 5 (2)
- Yelp: Not explicitly aggregated, generally highly favorable reviews (10)
Patients praise
- Highly personable and compassionate care
- Thorough and attentive to patient needs
- Strong patient confidence and trust
- Proactive patient advocacy
Common complaints
- Concierge business model perceived by some as inequitable
- Some public criticism regarding exclusive vaccine access during the pandemic
"Dr. Guy is flat out the best doctor who has ever looked after us. He is personable, careful, a good listener, open to alternative medicine solutions, and always takes whatever time is needed."
— Dr. Guy Sonoma Testimonials"Dr. Guy Delorefice effort was lauded by colleagues in the medical community for advocating for his patients, thinking outside of the box."
— Sonoma Index-TribuneSynthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- Why It's So Hard to Find a Good Doctor and What You Can Do — Sep 17, 2025
- Guy Delorefice, M.D. — Jul 6, 2026
- New Electronic Health Record System Launch: What Patients Need to Know — Jun 3, 2026
- Michelle E. Guy, MD - Internal Medicine, Obesity Medicine | UCSF Health — Mar 14, 2026
- Dr. Philippe R. Edouard, MD - Internal Medicine Physician in Petaluma, CA — May 14, 2026
Information sourced from the clinic's website as of July 10, 2026.
More internal medicine clinics in Sonoma
Sonoma Valley Hospital (Sonoma, CA) is a government healthcare district with 51 beds and 74 employees. It offers a broad range of services including preventive/wellness care, cardiopulmonary, women’s health, family practice, gastroenterology, general and orthopaedic surgery, internal medicine, cataract surgery, weight-loss, chronic/long-term and hospice care, skilled nursing, rehabilitation, and emergency services. The hospital opened its current facility in 1957 (origins dating to 1945) with expansions since the 1970s, and closed its obstetrics unit in 2018 due to declining births. Headquarters and main address: 347 Andrieux Street, Sonoma, CA 95476.
MarinHealth is a nonprofit health system based in Greenbrae, CA, serving Marin County and surrounding areas. Key points relevant to your query: - MarinHealth Medical Network: 125+ providers across 25 locations in the North Bay; practices are part of UCSF Health through a strategic alliance. - Primary care presence: The network includes primary care services across Marin, Sonoma, and Napa Counties, with offices aimed at convenient, comprehensive care. - UCSF affiliation: Through the MarinHealth–UCSF alliance, many MarinHealth primary care and specialty services align with UCSF Health, supporting referrals and coordinated care. - Location context: HQ and main medical center are in Greenbrae (250 Bon Air Road, Greenbrae, CA 94904); multiple offices across the North Bay region. If you’re specifically looking for a MarinHealth primary care clinic in Sonoma, CA under the UCSF Health umbrella, the network’s Sonoma locations and affiliated UCSF primary care providers would be the most relevant options to explore for care coordination and potential UCSF-affiliated services.
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