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Dr. Lawrence Chang, MD

San Clemente, CA

30 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chang, Internist in San Clemente, CA?

    Dr. Lawrence Chang, MD is an Internist, who primarily practices in San Clemente, CA. He has been practicing for over 30 years and is board certified. Dr. Chang graduated from Texas A&M University and completed his residency at Austin Med Educ Prog-Seton Hlt, Internal Medicine. Dr. Chang is fluent in English and Chinese, and is currently seeing new patients. Dr. Chang’s practice accepts Cigna, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chang’s office at (949) 240-9664.

    Where did Dr. Chang go to medical school and complete their residency?

    • Residency: Austin Med Educ Prog-Seton Hlt, Internal Medicine | University of Texas at Austin Dell Medical School Program

    • Medical School: University of Tx Med Branch Galveston, Galveston Tx | Texas A&M University

    Is Dr. Chang board certified as an Internist?

    Yes, Dr. Lawrence Chang, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Chang speak?

    Dr. Chang and their clinical team can communicate with patients in the following languages:

    • Chinese

    • English

    What conditions does Dr. Chang treat?

    As an Internist, 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:

    • High Cholesterol
    • Cholesterol
    • Triglycerides
    • Hyperlipidemia
    • High lipids
    • Dyslipidemia

    ICD-10 Codes:

    • E785: Hyperlipidemia, unspecified

    Also known as:

    • COPD
    • Chronic Obstructive Pulmonary Disease
    • Chronic Lung Disease
    • Emphysema and Chronic Bronchitis

    ICD-10 Codes:

    • J449: Chronic obstructive pulmonary disease, unspecified

    Also known as:

    • Type 2 Diabetes with High Blood Sugar
    • Diabetes Type 2
    • Hyperglycemia
    • Type 2 diabetes
    • Diabetic Hyperglycemia
    • High Blood Glucose
    • High Sugar Levels

    ICD-10 Codes:

    • E1165: Type 2 diabetes mellitus with hyperglycemia

    Also known as:

    • Immunization Visit
    • Vaccines
    • Vaccination appointment
    • Shot visit
    • Immunization encounter

    ICD-10 Codes:

    • Z23: Encounter for immunization

    Also known as:

    • Hardening of the Aorta
    • Atherosclerosis
    • Aortic artery hardening
    • Aortic plaque buildup
    • Aortic calcification

    ICD-10 Codes:

    • I700: Atherosclerosis of aorta

    Also known as:

    • Atrial Fibrillation
    • Afib
    • A-fib
    • Irregular heart rhythm

    ICD-10 Codes:

    • I4891: Unspecified atrial fibrillation
    • I480: Paroxysmal atrial fibrillation

    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:

    • Enlarged Prostate with Urinary Symptoms
    • Enlarged Prostate (BPH)
    • Enlarged Prostate (Benign Prostatic Hyperplasia)
    • BPH with LUTS
    • Prostate enlargement with urinary issues
    • Benign prostatic hyperplasia with urinary symptoms

    ICD-10 Codes:

    • N401: Benign prostatic hyperplasia with lower urinary tract symptoms

    Also known as:

    • Coronary Artery Disease with Angina
    • Atherosclerosis
    • Coronary Artery Disease
    • Atherosclerotic Heart Disease with Angina
    • Chest Pain from Heart Disease
    • Angina Pectoris

    ICD-10 Codes:

    • I25118: Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris

    Also known as:

    • Severe Obesity
    • Obesity
    • Helping Your Child Who Is Overweight
    • Take Charge of Your Health: A Guide for Teenagers
    • Understanding Adult Overweight & Obesity
    • Morbid Obesity
    • Extreme Obesity
    • Class 3 Obesity

    ICD-10 Codes:

    • E6601: Morbid (severe) obesity due to excess calories

    Also known as:

    • End-Stage Kidney Disease
    • Kidney Failure
    • Chronic Kidney Disease (CKD)
    • Helping Your Child Adapt to Life with Chronic Kidney Disease
    • ESRD
    • End-Stage Renal Failure

    ICD-10 Codes:

    • N186: End stage renal disease

    Also known as:

    • High Blood Pressure Heart Disease with Heart Failure
    • Heart Failure
    • High Blood Pressure
    • Hypertensive Heart Failure
    • High Blood Pressure Causing Heart Failure

    ICD-10 Codes:

    • I110: Hypertensive heart disease with heart failure

    Also known as:

    • Prostate Cancer
    • Prostate Cancer Treatment (PDQ®)
    • Prostatic Carcinoma
    • Prostate Gland Cancer
    • Malignant Prostate Tumor

    ICD-10 Codes:

    • C61: Malignant neoplasm of prostate

    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:

    • Gout
    • Gouty Arthritis
    • Uric Acid Arthritis
    • Hyperuricemia

    ICD-10 Codes:

    • M109: Gout, unspecified

    Also known as:

    • Fatigue
    • Tiredness
    • Lack of energy
    • Exhaustion

    ICD-10 Codes:

    • R5383: Other fatigue

    What procedures does Dr. Chang perform?

    As an Internist, Dr. Chang performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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:

    • Colonoscopy with Polyp Removal
    • Colonoscopy with Biopsy
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Upper Endoscopy with Biopsy
    • Biopsy
    • Endoscopy
    • EGD with Biopsy
    • Gastroscopy with Biopsy
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple

    Also known as:

    • Cataract Removal with Lens Implant
    • Extracapsular cataract extraction
    • Phacoemulsification
    • IOL implantation

    CPT Codes:

    • 66984: Extracapsular cataract removal with insertion of intraocular lens prosthesis (1 stage procedure), manual or mechanical technique (eg, irrigation and aspiration or phacoemulsification); without endoscopic cyclophotocoagulation

    Also known as:

    • Total Knee Replacement
    • Knee Replacement
    • Total Knee Arthroplasty
    • Knee Joint Replacement
    • Full Knee Replacement
    • TKA Surgery

    CPT Codes:

    • 27447: Arthroplasty, knee, condyle and plateau; medial AND lateral compartments with or without patella resurfacing (total knee arthroplasty)

    Does Dr. Chang accept my insurance?

    Dr. Chang accepts most major insurance plans. Important: Please call our office at (949) 240-9664 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chang accept in San Clemente, CA?

    Dr. Chang in San Clemente, 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

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Humana

    • Medicare

    • Monarch HealthCare

    • OptumRx

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Chang's office located?

    Dr. Lawrence Chang's Primary Practice

    665 Camino de los Mares Ste 301

    San Clemente, CA 92673

    (949) 240-9664

    Get Directions

    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 1528046430.

    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. Lawrence Chang's specialty?

    Dr. Chang is a Internist near San Clemente, CA.

    A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

    Contact Dr. Chang to book an appointment today.

    Is this Dr. Lawrence Chang affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chang is affiliated with Providence Mission Hospital Mission Viejo, Hoag Hospital Newport Beach, UCI Medical Center, Summerlin Hospital Medical Center, Scripps Memorial Hospital Encinitas, Jacobs Medical Center at UC San Diego Health which are a Castle Connolly Top Hospitals. 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 Internist?

    Explore Internist 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 Lawrence Chang accepting new patients in San Clemente, CA?

    Yes, Dr. Lawrence Chang is accepting new patients at this time.

    Does Dr. Lawrence Chang offer online booking?

    Please contact Dr. Chang's office at (949) 240-9664 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Lawrence Chang?

    Please contact Dr. Chang's office at (949) 240-9664 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Lawrence Chang have?

    Dr. Lawrence Chang is certified by the American Board of Internal Medicine.

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