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Dr. Geraldine Tan, MD

Walnut Creek, CA

26 Years of Experience

Accepting patients

    Who is Dr. Tan, Hospitalist in Walnut Creek, CA?

    Dr. Geraldine Tan, MD is a Hospitalist, who primarily practices in Walnut Creek, CA with 2 additional practice locations. She has been practicing for over 26 years and is board certified by the American Board of Internal Medicine. Dr. Tan is fluent in English and Tagalog, and is currently seeing new patients. Dr. Tan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Tan’s office at (925) 947-3393.

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

      Is Dr. Tan board certified in Hospitalist?

      Yes, Dr. Geraldine Tan, MD is board certified by the American Board of Internal Medicine

      What languages does Dr. Tan speak?

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

      • English

      • Tagalog

      What conditions does Dr. Tan treat?

      As a Hospitalist, Dr. Tan 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. Tan. 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:

      • Type 2 Diabetes
      • Type 2 Diabetes with High Blood Sugar
      • Diabetes Type 2
      • Type 2 diabetes
      • Hyperglycemia
      • Diabetes Mellitus Type 2
      • Adult-Onset Diabetes
      • Non-Insulin Dependent Diabetes
      • Diabetic Hyperglycemia
      • High Blood Glucose
      • High Sugar Levels

      ICD-10 Codes:

      • E119: Type 2 diabetes mellitus without complications
      • E1165: Type 2 diabetes mellitus with hyperglycemia

      Also known as:

      • Special Medical Examination
      • Specific health check
      • Detailed medical assessment
      • Special health screening

      ICD-10 Codes:

      • Z0189: Encounter for other specified special examinations

      Also known as:

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

      ICD-10 Codes:

      • E785: Hyperlipidemia, unspecified

      Also known as:

      • Hardening of the Arteries in the Heart without Chest Pain
      • Atherosclerosis
      • Coronary Artery Disease
      • Silent Coronary Artery Disease
      • Asymptomatic Atherosclerosis

      ICD-10 Codes:

      • I2510: Atherosclerotic heart disease of native coronary artery without angina pectoris

      Also known as:

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

      ICD-10 Codes:

      • Z23: Encounter for immunization

      Also known as:

      • Obstructive Sleep Apnea
      • Sleep Apnea
      • Obstructive sleep apnea
      • OSA
      • Blocked airway during sleep
      • Snoring and gasping during sleep

      ICD-10 Codes:

      • G4733: Obstructive sleep apnea (adult) (pediatric)

      Also known as:

      • Joint Replacement Aftercare
      • Hip Replacement
      • Joint Disorder
      • Knee Replacement
      • Post-joint replacement care
      • Joint surgery recovery
      • Orthopedic aftercare

      ICD-10 Codes:

      • Z471: Aftercare following joint replacement surgery

      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:

      • 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:

      • Low Back Pain
      • Back Pain
      • Lumbago
      • Lower Back Ache
      • Backache

      ICD-10 Codes:

      • M5450: Low back pain, unspecified

      Also known as:

      • Other Chronic Pain Condition
      • Chronic Pain
      • Various chronic pain
      • Unspecified long-term pain
      • Persistent pain disorders

      ICD-10 Codes:

      • G8929: Other chronic pain

      Also known as:

      • Urinary Device Fitting and Adjustment
      • Urological Device Fitting
      • Bladder Device Adjustment
      • Catheter Fitting

      ICD-10 Codes:

      • Z466: Encounter for fitting and adjustment of urinary device

      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

      Which procedures does Dr. Tan perform as a Hospitalist?

      As a Hospitalist, procedures performed by a Dr. Geraldine Tan may include:

      For detailed information, please contact Dr. Tan's office.

      Does Dr. Tan accept my insurance?

      Dr. Tan accepts most major insurance plans. Important: Please call our office at (925) 947-3393 before your appointment to verify that your specific plan and network are accepted.

      What insurance plans does Dr. Tan accept in Walnut Creek, CA?

      Dr. Tan in Walnut Creek, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

      Top Insurances

      • Blue Cross Blue Shield of Arizona

      • Community Care Network

      • CVS Health (formerly Aetna)

      • Department of Defense / Tricare

      • Department of Veterans Affairs

      • Express Scripts

      • Medicare

      • UnitedHealthcare

      View All Insurances

      Where is Dr. Tan's office located?

      Dr. Geraldine Tan's Primary Practice

      1220 Rossmoor Pkwy

      Walnut Creek, CA 94595

      (925) 947-3393

      Get Directions

      Dr. Geraldine Tan's Practice 2

      2700 Grant St Ste 200

      Concord, CA 94520

      Get Directions

      Dr. Geraldine Tan's Practice 3

      1601 Ygnacio Valley Rd

      Walnut Creek, CA 94598

      Get Directions

      What is Dr. Tan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

      Dr. Tan's National Provider Identifier (NPI) number is 1699744086.

      What common questions do patients ask about Dr. Tan?

      Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Tan

      What is Dr. Geraldine Tan's specialty?

      Dr. Tan is a Hospitalist near Walnut Creek, CA. Hospitalists are physicians dedicated primarily to the general medical care of hospitalized patients. Their roles encompass patient care, education, research, and leadership within the field of Hospital Medicine. The term "hospitalist" specifically refers to physicians who focus on delivering care to patients during their hospital stays. Contact Dr. Tan to book an appointment today.

      Is this Dr. Geraldine Tan affiliated with a ranked Castle Connolly Top Hospital?

      No, Tan is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Carl T. Hayden Veterans Administration Medical Center. Castle Connolly Top Hospitals 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 Hospitalist?

      Explore Hospitalist 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 Geraldine Tan accepting new patients in Walnut Creek, CA?

      Yes, Dr. Geraldine Tan is accepting new patients at this time.

      Does Dr. Geraldine Tan offer online booking?

      Please contact Dr. Tan's office at (925) 947-3393 for information about online booking, telehealth, or to schedule an appointment.

      How can I make an appointment with Geraldine Tan?

      Please contact Dr. Tan's office at (925) 947-3393 for information regarding telehealth appointment availability or for scheduling assistance.

      Which board certifications does Dr. Geraldine Tan have?

      Dr. Geraldine Tan is certified by the American Board of Internal Medicine.

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