Overview
Dr. Johnston has been providing quality OB and Family care for over 30 years in Merced County. He is committed to providing exceptional care in a timely manner to patients age 1 week to 99 . He attended UCSF where he received his doctorate in pharmacy. He then went on to medical school at the University of New Mexico. He moved to Merced for his residency program through UC Davis and never left. He recently stepped out on his own and opened his solo private practice in the El Portal Medical Plaza.
Dr. Johnston is rated as an Experienced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Melorheostosis, Melorheostosis with Osteopoikilosis, Osteopenia, Hormone Replacement Therapy (HRT), and Salpingo-Oophorectomy.
His clinical research consists of co-authoring 1 peer reviewed article. MediFind looks at clinical research from the past 15 years.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- MEDICARE MAPD
- MEDICARE SNP
- OTHER MEDICARE
- OTHER MEDICARE PART D
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
Accepted plan types not found. Please verify directly with the provider.
- HMO
- INDEMNITY
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER MEDICARE
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
3349 G St, Ste F, Merced, CA 95340
Additional Areas of Focus
Dr. Johnston has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.
Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Kanwar T Mahal, MD Inc.
Amber Mahal is a primary care provider, practicing in Family Medicine and Internal Medicine in Fresno, California. Dr. Mahal is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. Her top areas of expertise are Vitamin D Deficiency, High Cholesterol, Insomnia, and Asthma.
Rajesh Maheshwari is a primary care provider, practicing in Family Medicine in Manteca, California. Dr. Maheshwari is rated as an Advanced provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Opisthotonos, Muscle Spasms, Tracheitis, and Vitamin D Deficiency.
Kanwar T Mahal, MD Inc.
Kanwar Mahal is a primary care provider, practicing in Family Medicine and Internal Medicine in Fresno, California. Dr. Mahal is rated as a Distinguished provider by MediFind in the treatment of Vitamin B12 Deficiency. His top areas of expertise are Cysticercosis, High Cholesterol, Vitamin D Deficiency, and Insomnia.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Advanced
- MelorheostosisDr. Johnston isAdvanced. Learn about Melorheostosis.
- Melorheostosis with OsteopoikilosisDr. Johnston isAdvanced. Learn about Melorheostosis with Osteopoikilosis.
- OsteopeniaDr. Johnston isAdvanced. Learn about Osteopenia.
- Postmenopausal OsteoporosisDr. Johnston isAdvanced. Learn about Postmenopausal Osteoporosis.
- Experienced
- ALK-Positive Non-Small Cell Lung CancerDr. Johnston isExperienced. Learn about ALK-Positive Non-Small Cell Lung Cancer.
- Chronic Rhinosinusitis with Nasal Polyps (CRSwNP)
- End-Stage Renal Disease (ESRD)Dr. Johnston isExperienced. Learn about End-Stage Renal Disease (ESRD).
- Familial Chronic Mucocutaneous CandidiasisDr. Johnston isExperienced. Learn about Familial Chronic Mucocutaneous Candidiasis.
- Hormone Replacement Therapy (HRT)Dr. Johnston isExperienced. Learn about Hormone Replacement Therapy (HRT).
- Liver FailureDr. Johnston isExperienced. Learn about Liver Failure.