
25 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Zhang, Geriatric Medicine Specialist in San Leandro, CA?
Dr. Douglas Zhang, MD is a Geriatric Medicine Specialist, who primarily practices in San Leandro, CA. He has been practicing for over 25 years and is board certified. Dr. Zhang graduated from Texas Tech University Health Sciences Center School of Medicine and completed his residency at Univ Tx Southwestern Med Sch, Family Medicine; Kaiser Permanente Med Grp, Internal Medicine. Dr. Zhang is fluent in English and Chinese, and is currently seeing new patients. Dr. Zhang’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Zhang’s office at (510) 351-2100.
Where did Dr. Zhang go to medical school and complete their residency?
Residency: Univ Tx Southwestern Med Sch, Family Medicine; Kaiser Permanente Med Grp, Internal Medicine | Ut Southwestern School Of Medicine | Stanford University Hospital/Kaiser Permanente Medical Center Program
Medical School: Tx Tech Univ Hlth Sci Ctr Sch of Med, Lubbock Tx | Texas Tech University Health Sciences Center School of Medicine,Lubbock, Tx, United States | Texas Tech University Health Sciences Center School of Medicine
Is Dr. Zhang board certified as a Geriatric Medicine Specialist?
Yes, Dr. Douglas Zhang, MD is board certified by the American Board of Family Medicine
What languages does Dr. Zhang speak?
Dr. Zhang and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does a Geriatric Medicine Specialist like Dr. Zhang typically treat?
As a Geriatric Medicine Specialist, Dr. Zhang 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. Zhang. 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:
- High Blood Pressure
- Hypertension
- Primary Hypertension
- Essential Hypertension
ICD-10 Codes:
- I10: Essential (primary) hypertension
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 Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, 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:
- 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
What procedures does a Geriatric Medicine Specialist like Dr. Zhang typically perform?
As a Geriatric Medicine Specialist, Dr. Zhang 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. Zhang. 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:
- Wound Debridement
- Surgical Wound Cleaning
- Tissue Removal from Wound
- Dead Tissue Removal
CPT Codes:
- 11042: Debridement, subcutaneous tissue (includes epidermis and dermis, if performed); first 20 sq cm or less
Does Dr. Zhang accept my insurance?
Dr. Zhang accepts most major insurance plans. Important: Please call our office at (510) 351-2100 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Zhang accept in San Leandro, CA?
Dr. Zhang in San Leandro, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
BCBS Unspecified
Blue Shield of California
Centene Corporation
Cigna Group
CVS Health (formerly Aetna)
Medicare
Other Health Care Provider
State of California
Sutter Health
UnitedHealth Group
View All Insurances
Where is Dr. Zhang's office located?
Dr. Douglas Zhang's Primary Practice
13851 E 14th St
San Leandro, CA 94578
(510) 351-2100
What hospitals are Dr. Zhang affiliated with?
Castle Connolly Top Hospital
This doctor is affiliated with a Castle Connolly Top Hospital.
Dr. Zhang has admitting privileges at the following hospitals:
Eden Medical Center,Castro Valley, CA
Ranked in 2 Specialties

Ranked in 2 Procedures

Eden Medical Center,Castro Valley, CA
Ranked in 2 Specialties
Ranked in 2 Procedures
Stanford Health Care - Valleycare,Pleasanton, CA
Ranked in 2 Procedures

Stanford Health Care - Valleycare,Pleasanton, CA
Ranked in 2 Procedures
Alta Bates Summit Medical Center - Summit Campus,Oakland, CA
Ranked in 2 Specialties

Ranked in 4 Procedures

Alta Bates Summit Medical Center - Summit Campus,Oakland, CA
Ranked in 2 Specialties
Ranked in 4 Procedures
Stanford Health Care - Stanford Hospital,Stanford, CA
Ranked in 6 Procedures

Stanford Health Care - Stanford Hospital,Stanford, CA
Ranked in 6 Procedures
Novato Community Hospital,Novato, CA
Ranked in 3 Specialties

Ranked in 4 Procedures

Novato Community Hospital,Novato, CA
Ranked in 3 Specialties
Ranked in 4 Procedures
Mills-Peninsula Medical Center,Burlingame, CA
Ranked in 3 Specialties

Ranked in 6 Procedures

Mills-Peninsula Medical Center,Burlingame, CA
Ranked in 3 Specialties
Ranked in 6 Procedures
What is Dr. Zhang's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Zhang's National Provider Identifier (NPI) number is 1023074341.
What common questions do patients ask about Dr. Zhang?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Zhang
What is Dr. Douglas Zhang's specialty?
Dr. Zhang is a Geriatric Medicine Specialist near San Leandro, CA.
What does a Geriatric Medicine Specialist do?
An internist or family medicine physician with expertise in the aging process and specialized skills in diagnosing, treating, preventing, and managing illnesses in the elderly. This specialist provides care for geriatric patients in various settings, including the home, office, nursing homes, and hospitals.
Is Dr. Douglas Zhang affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Zhang is affiliated with Eden Medical Center, Stanford Health Care - Valleycare, Alta Bates Summit Medical Center - Summit Campus, Stanford Health Care - Stanford Hospital, Novato Community Hospital, Mills-Peninsula 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
When to see a Geriatric Medicine Specialist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Geriatric 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 Dr. Douglas Zhang accepting new patients in San Leandro, CA?
Yes, Dr. Douglas Zhang is accepting new patients at this time.
Does Dr. Douglas Zhang offer online booking?
Please contact Dr. Zhang's office at (510) 351-2100 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Dr. Douglas Zhang?
Please contact Dr. Zhang's office at (510) 351-2100 to schedule an appointment.
Where is Dr. Zhang's office located?
Dr. Zhang's office is located in San Leandro, CA.
Which board certifications does Dr. Douglas Zhang have?
Dr. Douglas Zhang is certified by the American Board of Family Medicine.
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