JG
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Grigsby, Family Medicine Specialist in Gilroy, CA?
Dr. Jonathan Grigsby, DO is a Family Medicine Specialist, who primarily practices in Gilroy, CA with 1 additional practice location. Dr. Grigsby is fluent in English, and is currently seeing new patients. Dr. Grigsby’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Grigsby’s office at (408) 848-9400.
What languages does Dr. Grigsby speak?
Dr. Grigsby and their clinical team can communicate with patients in the following languages:
English
What conditions does a Family Medicine Specialist like Dr. Grigsby typically treat?
As a Family Medicine Specialist, Dr. Grigsby diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Grigsby. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Type 2 Diabetes with High Blood Sugar
- Type 2 Diabetes with Chronic Kidney Disease
- Type 2 Diabetes
- Diabetes Complicationss
- Diabetes Type 2
- Type 2 diabetes
- Diabetic Kidney Problems
- Diabetes Mellitus Complications
- Diabetes Related Health Problems
- Advanced Diabetes
- Type 2 Diabetes Mellitus
- Hyperosmolar Hyperglycemic State
- High Blood Sugar Crisis
- Diabetic Chronic Kidney Disease
- Long-term Kidney Failure from Type 2 Diabetes
- Type 2 Diabetes End-Stage Renal Disease
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E118: Type 2 diabetes mellitus with unspecified complications
- E1100: Type 2 diabetes mellitus with hyperosmolarity without nonketotic hyperglycemic-hyperosmolar coma (NKHHC)
- E1122: Type 2 diabetes mellitus with diabetic chronic kidney disease
- E119: Type 2 diabetes mellitus without complications
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Diabetes
- Diabetes Overview
- Sugar Diabetes
- High Blood Sugar
- Type 2 Diabetes
ICD-10 Codes:
- E139: Other specified diabetes mellitus without complications
Also known as:
- Routine Adult Health Checkup
- Health Checkup
- Adult physical exam
- Annual wellness visit for adults
- General adult medical exam
ICD-10 Codes:
- Z0000: Encounter for general adult medical examination without abnormal findings
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
What procedures does a Family Medicine Specialist like Dr. Grigsby typically perform?
As a Family Medicine Specialist, procedures performed by Dr. Jonathan Grigsby may include:
- ALCAT Testing
- Joint Injection
- Medication Assisted Treatment (MAT)
- Nebulizer Treatment
- OB Consultation
- Ozone Injection
- Post-Surgery Checkup
- Tetanus Shot
Please contact Dr. Grigsby's office directly to confirm care for your specific procedure, for more information, or to schedule a consultation.
Does Dr. Grigsby accept my insurance?
Dr. Grigsby accepts most major insurance plans. Important: Please call our office at (408) 848-9400 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Grigsby accept in Gilroy, CA?
Dr. Grigsby in Gilroy, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Kaiser Permanente
Medicare
OptumRx Administered Payer
Other TPA
State of California
Unknown
Valley Health Plan
View All Insurances
Where is Dr. Grigsby's office located?
What is Dr. Grigsby's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Grigsby's National Provider Identifier (NPI) number is 1932549623.
What common questions do patients ask about Dr. Grigsby?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Grigsby
What is Dr. Jonathan Grigsby's specialty?
Dr. Grigsby is a Family Medicine Specialist near Gilroy, CA.
What does a Family Medicine Specialist do?
Family Medicine is a medical specialty focused on comprehensive healthcare for individuals and families. It is a broad field that integrates biological, clinical, and behavioral sciences. The scope of family medicine covers all ages, genders, organ systems, and disease conditions, offering a holistic approach to patient care.
Is this Dr. Jonathan Grigsby affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Grigsby is affiliated with Stanford Health Care - Stanford Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Family Medicine Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Family Medicine Specialist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Jonathan Grigsby accepting new patients in Gilroy, CA?
Yes, Dr. Jonathan Grigsby is accepting new patients at this time.
Does Dr. Jonathan Grigsby offer online booking?
Please contact Dr. Grigsby's office at (408) 848-9400 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Jonathan Grigsby?
Please contact Dr. Grigsby's office at (408) 848-9400 for information regarding telehealth appointment availability or for scheduling assistance.
Other Family Medicine Specialist Near Gilroy, CA

Dr. Kyoko Pena-Robles, MD is a Family Medicine Specialist, who primarily practices in Antioch, CA with 2 additional practice locations. She is board certified.
Antioch, CA
CN
Family Medicine Specialist
Dr. Chau Nguyen, MD is a Family Medicine Specialist, who primarily practices in San Jose, CA with 2 additional practice locations. He has been practicing for over 44 years.
San Jose, CA

Dr. Pacifico Santos, MD is an Adult Medicine Specialist, who primarily practices in San Jose, CA with 1 additional practice location. He has been practicing for over 57 years.
San Jose, CA