DP
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Phan, Internist in Westminster, CA?
Dr. Derek Phan, MD is an Internist, who primarily practices in Westminster, CA. He is board certified by the American Board of Internal Medicine. Dr. Phan graduated from New York Medical College. Dr. Phan is fluent in English, Spanish, and Vietnamese, and is currently seeing new patients. Dr. Phan’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Phan’s office at (714) 891-7035.
Where did Dr. Phan go to medical school and complete their residency?
Medical School: New York Medical College | Universidad AutÛnoma de Guadalajara Facultad de Medicina
Is Dr. Phan board certified in Internist?
Yes, Dr. Derek Phan, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Phan speak?
Dr. Phan and their clinical team can communicate with patients in the following languages:
English
Spanish
Vietnamese
What conditions does Dr. Phan treat?
As a Internist, Dr. Phan 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. Phan. 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:
- Immunization Visit
- Vaccines
- Vaccination appointment
- Shot visit
- Immunization encounter
ICD-10 Codes:
- Z23: Encounter for immunization
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 Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
Also known as:
- Open wound on foot
- Foot Injuries and Disorder
- Wounds and Injuries
- Foot cut
- Foot gash
- Foot injury
ICD-10 Codes:
- S91302D: Unspecified open wound, left foot, subsequent encounter
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
Also known as:
- Eczema
- Atopic dermatitis
- Allergic eczema
- Itchy skin rash
ICD-10 Codes:
- L2084: Intrinsic (allergic) eczema
Also known as:
- Sinusitis
- Sinus Infection
- Rhinosinusitis
- Acute Sinus Infection
ICD-10 Codes:
- J0190: Acute sinusitis, unspecified
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
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:
- High Blood Pressure Heart Disease
- Heart Disease
- High Blood Pressure
- Hypertensive Cardiomyopathy
- Heart Problems from High Blood Pressure
ICD-10 Codes:
- I119: Hypertensive heart disease without heart failure
Also known as:
- Skin Cancer
- Skin Cancer Treatment (PDQ®)
- Squamous Cell Carcinoma
- SCC
- Malignant Skin Tumor
ICD-10 Codes:
- C44729: Squamous cell carcinoma of skin of left lower limb, including hip
Also known as:
- Chest Pain
- Chest discomfort
- Thoracic pain
- Upper body pain
ICD-10 Codes:
- R079: Chest pain, unspecified
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:
- High Cholesterol
- Cholesterol
- Hypercholesterolemia
- High blood cholesterol
- Elevated cholesterol
ICD-10 Codes:
- E7800: Pure hypercholesterolemia, unspecified
Which procedures does Dr. Phan perform as a Internist?
As a Internist, procedures performed by an Dr. Derek Phan may include:
- Ambulatory Care Consultation
- Annual Check Up
- Annual Physical
- Aromatherapy
- Bladder and Bowel Management
- Blood Pressure Testing
- Bowel and Bladder Management
- Certified Medical Examination for Commercial Driver / Vessel Master
For detailed information, please contact Dr. Phan's office.
Does Dr. Phan accept my insurance?
Dr. Phan accepts most major insurance plans. Important: Please call our office at (714) 891-7035 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Phan accept in Westminster, CA?
Dr. Phan in Westminster, 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
CalOptima
Crown Cork and Seal Company
Elevance Health Inc. (formerly Anthem)
Medicare
Mohawk Industries
Monarch HealthCare
OptumRx
Other Health Care Provider
View All Insurances
Where is Dr. Phan's office located?
Dr. Derek Phan's Primary Practice
9191 Bolsa Ave Ste 205
Westminster, CA 92683
(714) 891-7035
What is Dr. Phan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Phan's National Provider Identifier (NPI) number is 1073729588.
What common questions do patients ask about Dr. Phan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Phan
What is Dr. Derek Phan's specialty?
Dr. Phan is a Internist near Westminster, 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. Phan to book an appointment today.Is this Dr. Derek Phan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Phan is affiliated with UCI Medical Center, AHMC Anaheim Regional Medical Center, Dignity Health - St. Mary Medical Center 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 Derek Phan accepting new patients in Westminster, CA?
Yes, Dr. Derek Phan is accepting new patients at this time.
Does Dr. Derek Phan offer online booking?
Please contact Dr. Phan's office at (714) 891-7035 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Derek Phan?
Please contact Dr. Phan's office at (714) 891-7035 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Derek Phan have?
Dr. Derek Phan is certified by the American Board of Internal Medicine.
Other Internist Near Westminster, CA
DN
Internist
Accepting patientsDr. Dao Nguyen, MD is an Internist, who primarily practices in Westminster, CA with 1 additional practice location. She is board certified.
Westminster, CA
AN
Endocrinologist
Accepting patientsDr. Andy Nguyen is an Endocrinologist, who primarily practices in Westminster, CA. He is board certified.
Westminster, CA
Internist
Accepting patientsDr. Andy Ho, MD is an Internist, who primarily practices in Westminster, CA with 1 additional practice location. He is board certified by the American Board of Internal Medicine.
Westminster, CA