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Medical Clinic at Bayview

At the Medical Clinic at Bayview in Los Osos our experienced team of Primary Care Physicians and Advanced Practice Providers offers diagnosis and treatment of many common illnesses, as well as the management of long term, acute and chronic illnesses such as diabetes, hypothyroidism and heart disease. We offer guidance on preventative care, immunization, and health maintenance with patient education and screening programs. Our office is quaint and has a nurturing environment but virtual visits are available upon request.

Meet our Expert Team

Meghan McKiernan, MD

Dr. Meghan McKiernan is grateful to practice primary care on the Central Coast. She was recruited to the area after finishing a family medicine residency program at Eastern Virginia Medical School in 2016. 

Chronic disease management, including prioritizing mental health, transitions of care from hospital to outpatient settings, and working with families are the main stays of her practice and give her the strength to continue pursuing her calling to help others on their health journey. She excels at being an exceptional listener and active team player in her patients health goals. Her work ethic is balanced by her active family, a husband and 3 growing boys. You may see Dr. McKiernan around town riding bikes, on the sports field, or out in nature at one of our beautiful state parks.

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Lisa Molin

Matthew Talarico, MD

Matthew Talarico, MD, is board certified in Family Medicine.  He earned his Bachelor’s degree at the University of Notre Dame and his medical degree at Loyola University of Chicago Stritch School of Medicine.  After completing his residency years at the West Suburban Family Medicine Residency Program, just outside of Chicago, he practiced his first ten years in and around his hometown of Morris, Illinois.  For the past twelve years he has loved his years in California - now seeing his patients in Templeton and Los Osos. 

While appreciating his traditional training, Dr. Talarico enjoys a more holistic approach that centers around wellness, especially utilizing nutrition to achieve optimum health.

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Katrina Hirsig, NP

Katrina Hirsig grew up in a small town in Northern California, at the base of the Sierra Nevadas. She received her undergraduate degrees from San Diego State University.

She completed her Masters of Nursing from Massachusetts General Hospital Institute of Health Professions (MGHIHP) in Boston, and is Board Certified in Family Medicine from the American Association of Nurse Practitioners and the California BRN. Katrina is grateful to practice Primary Care medicine in a small town here on the central coast with a group of caring, evidenced based providers.

When Katrina is not caring for her patients in Los Osos, she loves to spend time with her family and their very spoiled cat. She also enjoys traveling, learning Ukulele and guitar, and cooking.

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Medical Clinic at Bayview

Our office is nestled in a small cul-de-sac type location.


Musculoskeletal and connective tissue
Osteoarthritis, joint disorders, conditions of spine/back (excluding low back pain), low back pain, soft tissue disorders related to use, overuse, and pressure

Essential hypertension, coronary atherosclerosis and other chronic ischemic heart disease, heart failure, cardiac dysrhythmias

Acute respiratory infections, acute pharyngitis, allergic rhinitis, acute/chronic sinusitis, asthma, acute and chronic bronchitis

Mental, behavioral, and neurodevelopmental disorders
Depressive disorders, other mood disorders/nonpsychotic mental disorders/behavioral syndromes, attention-deficit hyperactivity disorders, opioid-related disorders

Endocrine, nutritional, and metabolic disease
Diabetes mellitus, dyslipidemia, hypothyroidism, obesity

Diseases of the eye and adnexa
Inflammation and disorders of eyelid, conjunctivitis

Skin and subcutaneous tissue
Actinic keratosis and other sun-exposure–related disorders, acne, psoriasis, seborrheic keratosis, contact dermatitis and other eczema

Urinary tract disorders including infection, disorders of menstruation and abnormal bleeding, benign prostatic hyperplasia, calculus of kidney and ureter

Diseases of digestive system
Gastroesophageal reflux disease (with esophagitis), hernias of abdominal cavity, irritable bowel syndrome, anal and rectal diseases

Malignant neoplasm of skin (non-melanoma), malignant neoplasm of breast, benign neoplasm of skin, malignant neoplasm of prostate



Common Primary Care Procedures: 

  • Allergic reaction-related injections
  • Biopsy and excision of skin lesions
  • Flu shots and immunizations
  • Incision and drainage of abscesses

Routine physical examinations and preventive care:

  • Pap smear and appropriate age-related testing
  • Breast exam
  • Medicare Wellness Visits (Welcome to Medicare, Annual)

Physical exams for sports, school/summer camp, adoption, nursing home placement



Pacific Central Coast Health Centers contracts with most health insurance plans, including Medi-Cal, and provides health care services that fit your health plan benefits. If you have questions about the health insurance plans we accept, contact the office where you would like to be seen and our staff would be happy to answer any questions you may have.

  • Aetna
  • Blue Cross
  • Blue Shield
  • CenCal
  • Cigna
  • Coventry – First Health
  • Health Net
  • Healthsmart – Interplan
  • Medi-Cal
  • Medicare
  • Multiplan – Beech Street
  • Networks by Design
  • Tricare
  • TriWest
  • United Healthcare
  • Western Growers


What makes our Expert Team at Bayview stand out?

At Medical Clinic at Bayview in Los Osos, we treat our patients like family. We love our small community and strive to provide compassionate, high-quality health care while also following the most recent guidelines from the American Medical Association, as well as Centers for Medicare & Medicaid Services. We are accepting new patients and look forward to participating in your health care journey.

View All Videos

Video: Hypertension
Dr. Meghan McKiernan

Video: Obesity
Dr. Meghan McKiernan