What are the opening hours?

Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 8am - 5pm

Mathiesen Memorial Health Clinic

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United States
Jamestown, CA
Mathiesen Memorial Health Clinic

We are currently seeing patients of all ages for their Primary Care needs. Primary Care means assisting you with all of your general medical needs.

Owned and operated by the Chicken Ranch Rancheria Me-Wuk Indians of California in a continued effort to support Jamestown and the surrounding community with an economic medical resource. Our mission is to improve the health and wellness of our community as the premier place to give and receive care that embraces the balance of mind, body, and spirit. If serious health issues are identified, patients will be referred by our staff to medical specialists like cardiologists, surgeons, for x-rays, etc. We provide several medical and counseling groups by patients request it or referral by your medical providers. Nondiscrimination Statement:
Mathiesen Memorial Health Clinic complies with applicable federal civil rights laws and does not discriminate on basis of race, color, national origin, age, disability, or sex.

04/15/2026

During National Minority Health Month, we recognize the importance of delivering care that reflects and supports the diverse communities we serve.

We are committed to improving access to care, reducing gaps in services, and ensuring every patient receives respectful, culturally aware support.

Here’s how we support your care:

Same-day care available through our Same-Day Walk-In Clinic for minor illnesses and concerns

Preventive screenings offered through our Primary Care Clinics to support early detection and long-term

Care coordination provided by our Community Health Workers (CHWs) to help navigate services, connect to providers, and access community resources

Our focus is to provide care that is approachable, understandable, and responsive to the needs of every individual we serve.

Visit one of our clinics or contact our team to get connected to services.
(209)984-4820

04/08/2026

Come see us at the Senior Center today!

We will be here from 9:00AM – 3:00 PM offering same-day walk-in care for all ages.

Services include:
• Cold, flu, COVID concerns
• Skin issues, rashes, cuts, and wound care
• Aches and discomforts
• Blood pressure & diabetes checks
•Quick on- site testing
•Grief and caregiver support
• Medication safety support
• Limited prescriptions support

📍 Senior Center
540 Greenley Rd, Sonora, CA
Insurance is accepted. Many services low-cost or free based on need.
Questions? Call 209-690-4916.

04/07/2026

Quality healthcare is coming to you!
Our Mobile Health Clinic will be at the Senior Center parking lot on April 8th from 9:00AM – 3:00 PM offering same-day walk-in care for all ages.

Services include:
• Cold, flu, COVID concerns
• Skin issues, rashes, cuts, and wound care
• Aches and discomforts
• Blood pressure & diabetes checks
•Quick on- site testing
•Grief and caregiver support
• Medication safety support
• Limited prescriptions support

📍 Senior Center
540 Greenley Rd, Sonora, CA
Insurance is accepted. Many services low-cost or free based on need.
Questions? Call 209-690-4916.

03/30/2026

Women of Resilience – A Group for Healing and Recovery

Join us every Monday starting January 26, from 5:00 PM – 6:30 PM at Red Feather Clinic for a supportive, empowering group rooted in the Seeking Safety curriculum — an evidence-based approach focused on healing, coping skills, and building safety in our lives.

Location:
Red Feather Clinic
18232 Smoke St.
Jamestown, CA

Food & beverages provided!

Cultural crafting is offered during the first group of each month, creating space for connection, creativity, and cultural expression.

What you can expect:
• A safe, non-judgmental environment
• Tools for personal growth and healing
• Compassionate support
• A community built on hope and encouragement

Questions?
Contact Ashton at (209) 782-9824
Support, hope, and healing—hand in hand

03/24/2026

Today is Diabetes Alert Day!

Diabetes often develops without noticeable symptoms—meaning many people don’t know they have it until complications begin. That’s why getting tested is critical. Early detection gives you the opportunity to take control, start treatment, and prevent serious health issues like heart disease, kidney damage, and vision loss.

The reality:
• 1 in 4 adults with diabetes don’t know they have it
• 115+ million people are living with prediabetes
• 1.5 million people are diagnosed each year

Simple testing can identify diabetes or prediabetes early. If you are at risk or experiencing symptoms like increased thirst, frequent urination, fatigue, or blurred vision, do not delay care.

Connect with your primary care team to discuss testing. If you are established with our Primary Care team at Mathiesen Memorial Health Clinic contact us at 209-984-4820 - to get tested,
understand your results, and build a plan to manage your health.

With early action and the right care team, diabetes can be effectively managed and complications can be prevented or delayed.

For more information about diabetes visit : https://diabetes.org/

03/20/2026

March is Colorectal Cancer Awareness Month

Colorectal cancer is one of the most preventable cancers—yet it remains a leading cause of cancer-related deaths. Early detection is the difference between life and death.

What you need to know:
-Colorectal cancer begins in the colon or re**um, often as small growths called polyps
-These polyps can become cancerous over time if not removed
-In early stages, there are often no symptoms

Why screening matters:
-When caught early, 9 out of 10 people survive
-As cancer progresses, survival rates drop significantly
-Screening can detect and remove polyps before they turn into cancer

Who should get screened:
-Adults 45+
-Anyone with a family history or increased risk should talk to a provider sooner

Ask about getting a colorectal screening at your next appointment.

Mathiesen Memorial Health Clinic
Primary Care
18144 Seco St. Jamestown
Phone: 209-984-4820

03/11/2026

Quality healthcare is coming to you!

Our Mobile Health Clinic will be at the Sierra Senior Center parking lot today from 8:30 AM – 3:00 PM offering same-day walk-in care for all ages.

Services include:
• Cold, flu, COVID concerns
• Cuts, rashes & wound care
• Blood pressure & diabetes checks
• Women’s health
• Behavioral health & SUD counseling
• On-site testing (UTI & s*xual health)
• Limited prescriptions when appropriate

📍 Sierra Senior Center
540 Greenley Rd, Sonora, CA

Insurance accepted. Many services low-cost or free based on need.
Questions? Call 209-690-4916.

03/09/2026

Quality healthcare is coming to you!

Our Mobile Health Clinic will be at the Sierra Senior Center parking lot on March 11 | 8:30 AM – 3:00 PM offering same-day walk-in care for all ages.

Services include:
• Cold, flu, COVID concerns
• Cuts, rashes & wound care
• Blood pressure & diabetes checks
• Women’s health
• Behavioral health & SUD counseling
• On-site testing (UTI & s*xual health)
• Limited prescriptions when appropriate

📍 Sierra Senior Center
540 Greenley Rd, Sonora, CA

Insurance accepted. Many services low-cost or free based on need.
Questions? Call 209-690-4916.

02/27/2026

Make Yourself a Priority — Support Your Mind & Body
At our Wellness Center, we take an integrative bio-psycho-social approach to therapy — helping you heal by considering your entire life experience, not just symptoms.

We offer:
• Individual therapy
• Family therapy
• Child therapy
• Hypnosis
• EMDR
• Art therapy

We invite our community to engage with our caring staff and experience programs designed to nurture a healthy body, mind, and spirit.

Call our Wellness Center today for more information: 209-782-6446
Your healing journey matters. Make yourself a priority.

02/20/2026

Beat the winter blues and take charge of your health this February!

Cold season isn’t over yet — stop by our Mobile Health Event on 2/25 and let us help you feel your best as we head toward spring.
We’re here to warm you up and keep you well with services including:

• Cough / Cold & Flu Symptoms
• Mild Fever
• Rashes
• Ear & Sinus Infections
• STD Screening
• Minor Sprains
• Sore Throats
• Suture Removal
• Nail Care
• Blood Pressure Checks
• Glucose Testing
• Wound Care
• Peer Support & Counseling
…and more!

Location: Enrichment Center, 101 Hospital Rd, Sonora
Date: Wednesday, February 25
Time: 8:30 AM – 12:00 PM
Stop in, warm up, and let us help you stay healthy all season long!
Tuolumne County Behavioral Health

12/10/2025

Our clinics will be closing early on Friday at 12:00 PM. We will resume normal hours on the next business day.

If you are experiencing a medical emergency, please call 911 or go to your nearest emergency room.

If you are in crisis or need mental health support, call or text 988 — help is available 24/7.
Thank you for your understanding, and we wish you a safe and healthy weekend!

Address

18144 Seco Street
Jamestown, CA
95327

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Website

http://mathiesenclinic.com/

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