52 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Chang, Family Medicine Specialist in Walnut Creek, CA?
Dr. David Chang, MD is a Family Medicine Specialist, who primarily practices in Walnut Creek, CA. He has been practicing for over 52 years and is board certified by the American Board of Family Medicine. Dr. Chang graduated from China Medical University and completed his residency at Jersey City Med Ctr, Pediatrics; Barberton Citizens Hosp, General Practice; Aultman Hosp, Flexible Or Transitional Year. Dr. Chang is fluent in English, Chinese, and Spanish, and is currently seeing new patients. Dr. Chang’s practice accepts Cigna, Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (925) 944-9193.
Where did Dr. Chang go to medical school and complete their residency?
Residency: Jersey City Med Ctr, Pediatrics; Barberton Citizens Hosp, General Practice; Aultman Hosp, Flexible Or Transitional Year
Medical School: China Med College Taiwan | China Medical University
Is Dr. Chang board certified in Family Medicine Specialist?
Yes, Dr. David Chang, MD is board certified by the American Board of Family Medicine
What languages does Dr. Chang speak?
Dr. Chang and their clinical team can communicate with patients in the following languages:
Chinese
English
Spanish
What conditions does Dr. Chang treat?
As a Family Medicine Specialist, Dr. Chang 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. Chang. 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.
Also known as:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
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:
- Type 2 Diabetes
- Diabetes Type 2
- Type 2 diabetes
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
Also known as:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
Also known as:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
Also known as:
- Seasonal Allergies
- Allergy
- Hay fever
- Seasonal allergic rhinitis
- Pollen allergy
- Allergic Reaction
- Hypersensitivity
- Allergic Condition
ICD-10 Codes:
- J302: Other seasonal allergic rhinitis
- T7840XA: Allergy, unspecified, initial encounter
Also known as:
- Osteoarthritis
- Degenerative Joint Disease
- Wear-and-Tear Arthritis
- Joint Degeneration
ICD-10 Codes:
- M1990: Unspecified osteoarthritis, unspecified site
Also known as:
- Mixed High Cholesterol and Triglycerides
- Cholesterol
- Triglycerides
- Mixed hyperlipidemia
- Combined hyperlipidemia
- High lipids
ICD-10 Codes:
- E782: Mixed hyperlipidemia
Also known as:
- Viral Infection Exposure
- Viral Infection
- Viral Disease Contact
- Suspected Viral Infection
- Exposure to Viruses
ICD-10 Codes:
- Z20828: Contact with and (suspected) exposure to other viral communicable diseases
Also known as:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Age-Related Osteoporosis
- Fractures
- Osteoporosis
- Senile Osteoporosis
- Primary Osteoporosis
- Bone Thinning from Aging
ICD-10 Codes:
- M810: Age-related osteoporosis without current pathological fracture
Also known as:
- Enlarged Prostate
- Enlarged Prostate (BPH)
- Enlarged Prostate (Benign Prostatic Hyperplasia)
- Benign Prostatic Hyperplasia
- BPH
- Prostate Enlargement
ICD-10 Codes:
- N400: Benign prostatic hyperplasia without lower urinary tract symptoms
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Skin Rash
- Rashes
- Skin Eruption
- Hives
- Dermatitis
- Skin Inflammation
ICD-10 Codes:
- R21: Rash and other nonspecific skin eruption
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
Also known as:
- Asthma
- Reactive Airway Disease
- Bronchial Asthma
- Allergic Asthma
ICD-10 Codes:
- J45909: Unspecified asthma, uncomplicated
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Mammogram for Breast Cancer Screening
- Health Screening
- Mammography
- Breast Cancer Screening (PDQ®)
- Mammograms
- Breast X-ray
- Breast Cancer Check
ICD-10 Codes:
- Z1231: Encounter for screening mammogram for malignant neoplasm of breast
Also known as:
- Metabolic Disorder
- Metabolism disorder
- Metabolic disease
- Body chemistry imbalance
ICD-10 Codes:
- E889: Metabolic disorder, unspecified
Which procedures does Dr. Chang perform as a Family Medicine Specialist?
As a Family Medicine Specialist, procedures performed by a Dr. David Chang may include:
- ALCAT Testing
- Joint Injection
- Medication Assisted Treatment (MAT)
- Nebulizer Treatment
- OB Consultation
- Ozone Injection
- Post-Surgery Checkup
- Tetanus Shot
For detailed information, please contact Dr. Chang's office.
Does Dr. Chang accept my insurance?
Dr. Chang accepts most major insurance plans. Important: Please call our office at (925) 944-9193 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chang accept in Walnut Creek, CA?
Dr. Chang in Walnut Creek, 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
Blue Shield of California
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Hill Physicians Medical Group
Humana
Medicare
Other Provider Networks
UnitedHealthcare
View All Insurances
Where is Dr. Chang's office located?
Dr. David Chang's Primary Practice
1812 San Miguel Dr
Walnut Creek, CA 94596
(925) 944-9193
What is Dr. Chang's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chang's National Provider Identifier (NPI) number is 1174545909.
What common questions do patients ask about Dr. Chang?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chang
What is Dr. David Chang's specialty?
Dr. Chang is a Family Medicine Specialist near Walnut Creek, CA. 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. Contact Dr. Chang to book an appointment today.
Is this Dr. David Chang affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Chang is affiliated with John Muir Health Walnut Creek Medical Center 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
Where can I learn more about Family Medicine Specialist?
Explore Family Medicine Specialist with 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 David Chang accepting new patients in Walnut Creek, CA?
Yes, Dr. David Chang is accepting new patients at this time.
Does Dr. David Chang offer online booking?
Please contact Dr. Chang's office at (925) 944-9193 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with David Chang?
Please contact Dr. Chang's office at (925) 944-9193 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. David Chang have?
Dr. David Chang is certified by the American Board of Family Medicine.
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