Weight Loss That Lasts. Right Here in Northern California.
Northbay Health is proud to bring a full-service bariatric surgery and medical weight-loss program to Solano County. Expert care. No long drives. No referrals out.
Real, lasting change starts with the right support and the right team. Now let’s build a plan that works — together.
Northbay Health offers physician-guided medical weight-loss and bariatric surgery options designed to help patients improve long-term health through personalized care in the North Bay.
Why Weight-Loss Surgery?
Obesity Is a Medical Condition — Not a Personal Failure
Obesity is one of the most complex and misunderstood medical conditions affecting adults today. At Northbay Health, we treat weight-related health concerns with the same clinical expertise, compassion and long-term support as any other chronic medical condition.
For many patients, weight loss is influenced by far more than diet and exercise alone. Hormones, metabolism, genetics, medications, stress, sleep and underlying medical conditions can all affect the body’s ability to lose and maintain weight.
Bariatric surgery and medically supervised weight-loss treatment have been shown to support meaningful, lasting improvements in health and quality of life. Research has shown that bariatric surgery may help improve or resolve obesity-related conditions, including:
- Type 2 diabetes or prediabetes
- High blood pressure
- High cholesterol
- Sleep apnea
- Joint pain and mobility limitations
- Fatty liver disease
- Acid reflux (GERD)
- Heart disease risk factors
- Chronic fatigue or low energy
- Difficulty participating in daily activities
Many patients also seek treatment after experiencing:
- Difficulty losing weight despite lifestyle changes
- Weight regain after repeated dieting attempts
- Increasing limitations with exercise or movement
- Weight-related impact on emotional well-being or confidence
- Concerns about long-term health and independence
Northbay Health offers a personalized, physician-guided approach designed to help patients achieve long-term success safely and sustainably.
Your Options at Northbay Health
Personalized Weight-Loss Care Designed Around You
There is no single path to long-term weight management. Northbay Health offers both surgical and nonsurgical treatment options based on your health history, goals, medical needs and insurance coverage.
Our team works with you to build a treatment plan designed to support lasting progress — not quick fixes.
Sleeve Gastrectomy
Sleeve gastrectomy is one of the most commonly performed bariatric procedures and may be appropriate for patients seeking significant, long-term weight loss. During the procedure, approximately 80% of the stomach is removed to create a smaller stomach pouch, helping patients feel full sooner and reduce hunger signals.
For many eligible patients, sleeve gastrectomy can be performed using minimally invasive surgical techniques, which may support a shorter hospital stay and recovery period compared to traditional open surgery.
Benefits may include:
- Significant long-term weight loss
- Reduced hunger and portion sizes
- Improvement in obesity-related health conditions
- Minimally invasive surgical approach for eligible patients
- Shorter hospital stay and recovery time for many patients
Gastric Bypass Surgery
Gastric bypass changes how the stomach and digestive system process food to support weight loss and improve metabolism. This procedure may be especially beneficial for patients with type 2 diabetes, reflux or more complex metabolic concerns.
Benefits may include:
- Significant long-term weight loss
- Improvement in diabetes and metabolic conditions
- Reduced reflux symptoms for some patients
- Long-term weight management support
Medical Weight-Loss Program
For patients who are not ready for surgery or who prefer a nonsurgical approach, Northbay Health offers physician-supervised medical weight-loss treatment plans focused on long-term health improvement and sustainable lifestyle changes.
Treatment plans are personalized based on your health history, goals, medical needs and previous weight-loss experiences. Depending on your care plan, treatment may include nutritional counseling, lifestyle support, behavioral guidance, physician monitoring and prescription medications when medically appropriate.
FDA-approved weight-management medications may be considered as part of a supervised treatment plan for eligible patients. Our team focuses on helping patients build realistic, sustainable progress through medically guided care rather than short-term or one-size-fits-all solutions.
Treatment plans may include:
- Nutritional counseling
- Lifestyle support
- Behavioral guidance
- Physician monitoring
- Prescription medications, when medically appropriate
Why Choose NorthBay for Bariatric and Medical Weight Loss
Northbay Health provides comprehensive, physician-guided weight-loss care focused on improving long-term health outcomes through personalized treatment and coordinated support.
Patients choose NorthBay because we offer:
- Local access to bariatric and medical weight-loss care in Solano County, helping patients receive specialized treatment closer to home without the burden of traveling outside the region
- Bariatric revision surgery options for people who require modifications to previous weight-loss surgeries
- Personalized treatment plans tailored to your health history, lifestyle, goals and medical needs, so your care reflects your individual circumstances and long-term priorities
- Surgical and nonsurgical weight-loss options that provide flexibility for patients at different stages of their weight-loss journey
- Comprehensive care coordination designed to create a smoother, more supportive experience throughout evaluation, treatment, recovery and long-term follow-up
- Physician-led treatment focused on safety, education and sustainable outcomes, helping patients make informed decisions with confidence
- Nutritional and behavioral guidance integrated into the care process to support healthier habits and sustained results beyond initial weight loss
- Advanced minimally invasive bariatric surgery techniques, when appropriate, which may support smaller incisions, shorter hospital stays and recovery benefits for eligible patients
- Coordinated follow-up care and long-term support to help patients maintain progress and navigate lifestyle changes after treatment
- Care in Vacaville and Fairfield, making consultations, procedures and follow-up appointments more convenient for patients and families
Meet Majid Kianmajd
Majid Kianmajd, DO Accepted Health Plans Bariatric and General Surgeon
Dr. Kianmajd provides expert, patient-centered bariatric and general surgery care focused on helping patients improve their long-term health, mobility, confidence and quality of life. He works closely with each patient to understand their goals, explain treatment options clearly, and create a personalized plan tailored to their needs and circumstances.
His approach combines advanced surgical expertise with long-term support and education, helping patients feel informed and supported throughout every stage of care. Dr. Kianmajd specializes in bariatric surgery, minimally invasive techniques and robot-assisted procedures designed to support safe, effective treatment and recovery benefits for eligible patients.
What to Expect
Northbay Health supports patients throughout every stage of treatment, from the initial consultation through long-term follow-up care.
Our coordinated care team helps patients understand treatment options, prepare for surgery or medical treatment, and set realistic expectations for long-term success.
Your first appointment includes a comprehensive discussion about your health history, weight-loss goals, medical conditions and previous treatment experiences. During this visit, you will meet with members of the care team to learn more about available surgical and nonsurgical treatment options and determine whether bariatric surgery or medical weight-loss treatment may be appropriate for your needs.
Your provider may discuss:
- Current health concerns and medical history
- Lifestyle habits and activity levels
- Nutritional history and previous weight-loss efforts
- Weight-loss goals and expectations
- Surgical and nonsurgical treatment pathways
- Long-term health considerations and support options
This consultation is also an opportunity to ask questions, understand the process, and begin building a personalized treatment plan.
After your initial consultation, your care team will complete a more detailed medical evaluation to better understand your overall health and prepare for treatment safely and effectively. This process helps identify the most appropriate treatment approach based on your individual needs, goals and eligibility.
Your evaluation and treatment planning process may include:
- Nutritional assessment and counseling
- Psychological or behavioral health screening
- Lab work and diagnostic testing
- Imaging or additional medical evaluations
- Physician-supervised medical monitoring
- Lifestyle preparation guidance
- Preoperative evaluations for surgical candidates
Once your evaluations are complete, your care team will create a personalized treatment plan designed around your health history, long-term goals and recommended treatment pathway.
Eligibility for bariatric surgery or medical weight-loss treatment depends on several factors, including body mass index (BMI), obesity-related medical conditions, insurance requirements and previous weight-loss history.
Many insurance plans require additional documentation before approving treatment. Northbay Health helps guide patients through this process by coordinating required evaluations, records and authorization steps on your behalf.
Insurance requirements may include:
- Medical evaluations and physician documentation
- Documentation of prior weight-loss attempts
- Nutritional counseling participation
- Behavioral health support or evaluations
- Physician-supervised weight-loss history
- Additional testing or specialist clearances
Our team works closely with patients throughout the authorization process to help reduce confusion and support a smoother experience whenever possible.
Patients preparing for bariatric surgery receive education and guidance designed to help them prepare physically and mentally for surgery and recovery. This stage focuses on building healthy habits, understanding post-surgical expectations, and helping patients feel prepared for long-term lifestyle changes.
Preparation may include:
- Supervised dietary guidance
- Educational classes and preoperative instructions
- Follow-up appointments with the care team
- Medical preparation and clearances
- Lifestyle and nutrition planning before surgery
Your care team will explain what to expect before surgery, during your hospital stay, and throughout the recovery process.
Bariatric procedures are performed at Northbay Health using advanced surgical techniques, including minimally invasive approaches for eligible patients. Many patients stay in the hospital for one to two days following surgery, depending on the procedure and individual recovery needs.
Shortly after surgery, patients are encouraged to begin walking and gradually resume movement under the guidance of their care team. Before returning home, patients receive detailed recovery instructions, nutritional guidance and information about follow-up care and activity progression.
Recovery timelines vary based on the procedure performed, overall health and individual progress.
Recovery and long-term success require ongoing support, healthy lifestyle changes and continued medical guidance. Northbay Health provides coordinated follow-up care designed to help patients maintain progress, navigate challenges, and improve long-term health outcomes after treatment.
Long-term support may include:
- Follow-up appointments with your care team
- Nutritional guidance and counseling
- Lifestyle coaching and healthy habit support
- Ongoing medical monitoring
- Long-term weight management support
- Support groups and educational resources
Our team remains involved throughout your journey to help support lasting health improvements and sustainable results.
Bariatric and Medical Weight Loss FAQs
Eligibility depends on several factors including BMI, obesity-related health conditions, previous weight-loss efforts and overall health history. Your provider will evaluate your situation and discuss whether surgery or medical weight-loss treatment may be appropriate.
Prescription medications may be included as part of a physician-supervised treatment plan when medically appropriate. Treatment recommendations are personalized based on your health history, goals and insurance coverage.
The timeline varies depending on insurance requirements, medical evaluations and preparation steps. Many patients complete the process within several months from the initial consultation through surgery scheduling.
Yes. Long-term support is an important part of sustainable weight management and bariatric surgery success. Northbay Health provides coordinated follow-up care designed to support long-term health improvement.
Many bariatric procedures are performed using minimally invasive surgical techniques, which may lead to smaller incisions and improved recovery for eligible patients.
Nutritional changes are an important part of both medical weight-loss treatment and bariatric surgery preparation. Your care team will provide guidance designed to support your health, recovery and long-term success.
Take the First Step Toward Better Health
You do not have to navigate weight loss alone.
Northbay Health offers trusted, physician-guided bariatric and medical weight-loss care designed to help patients improve long-term health with support in Northern California.
Whether you are exploring medical weight-loss treatment or considering bariatric surgery, our team is here to help you understand your options and move forward with confidence.
Meet our Bariatric and Weight-Loss Surgeon.
Bariatric Surgery, General Surgery,Robotic Surgery