WT
35 Years of Experience
Accepting patients
Who is Dr. Tan, Internist in Frederick, MD?
Dr. William Tan, MD is an Internist, who primarily practices in Frederick, MD with 2 additional practice locations. He has been practicing for over 35 years and is board certified. Dr. Tan graduated from University of Maryland School of Medicine. Dr. Tan is fluent in English and French, 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 (410) 795-7737.
Where did Dr. Tan go to medical school and complete their residency?
Medical School: University of Maryland School of Medicine
What languages does Dr. Tan speak?
Dr. Tan and their clinical team can communicate with patients in the following languages:
English
French
What conditions does Dr. Tan treat?
As a Internist, 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 Diabetic Neuropathy
- Type 2 Diabetes with High Blood Sugar
- Diabetes Type 2
- Type 2 diabetes
- Diabetic Nerve Problems
- Diabetic Neuropathy
- Hyperglycemia
- Diabetes Mellitus Type 2
- Adult-Onset Diabetes
- Non-Insulin Dependent Diabetes
- Diabetic Nerve Damage
- Diabetic Polyneuropathy
- Peripheral Neuropathy from Diabetes
- Diabetes Mellitus Nerve Problems
- Diabetic Hyperglycemia
- High Blood Glucose
- High Sugar Levels
ICD-10 Codes:
- E119: Type 2 diabetes mellitus without complications
- E1142: Type 2 diabetes mellitus with diabetic polyneuropathy
- 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:
- Adult Health Checkup with Abnormal Findings
- Health Checkup
- Adult Physical Exam with Issues
- Routine Checkup with Concerns
- General Medical Exam with Abnormal Results
ICD-10 Codes:
- Z0001: Encounter for general adult medical examination with abnormal findings
Also known as:
- Nutrition Counseling
- Nutrition
- Dietary advice
- Nutritional guidance
- Healthy eating counseling
ICD-10 Codes:
- Z713: Dietary counseling and surveillance
Also known as:
- Long-Term Blood Thinner Use
- Blood Thinners
- Chronic anticoagulant therapy
- Ongoing blood thinner treatment
- Anticoagulant medication use
ICD-10 Codes:
- Z7901: Long term (current) use of anticoagulants
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:
- High Cholesterol
- Cholesterol
- Triglycerides
- Hyperlipidemia
- High lipids
- Dyslipidemia
ICD-10 Codes:
- E785: Hyperlipidemia, unspecified
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:
- Low Back Pain
- Back Pain
- Lumbago
- Lower Back Ache
- Backache
ICD-10 Codes:
- M5450: Low back pain, unspecified
Also known as:
- Unsteadiness on Feet
- Walking Problems
- Feeling Unsteady
- Balance Problems
- Dizziness While Standing
ICD-10 Codes:
- R2681: Unsteadiness on feet
Also known as:
- COVID-19
- COVID-19 (Coronavirus Disease 2019)
- Coronavirus Disease 2019
- SARS-CoV-2 Infection
- Novel Coronavirus
ICD-10 Codes:
- U071: COVID-19
Also known as:
- Urinary Tract Infection
- UTI
- Bladder infection
- Kidney infection
- Urine infection
ICD-10 Codes:
- N390: Urinary tract infection, site not specified
Also known as:
- Muscle Weakness
- Muscle Disorder
- Loss of strength
- Fatigue
- Muscle fatigue
ICD-10 Codes:
- R531: Weakness
Also known as:
- Hypothyroidism
- Congenital hypothyroidism
- Hypothyroidism (Underactive Thyroid)
- Underactive Thyroid
- Low Thyroid Function
ICD-10 Codes:
- E039: Hypothyroidism, unspecified
Also known as:
- Cough
- Coughing
- Persistent cough
- Chronic cough
ICD-10 Codes:
- R059: Cough, unspecified
Also known as:
- Sinusitis
- Sinus Infection
- Rhinosinusitis
- Acute Sinus Infection
ICD-10 Codes:
- J0190: Acute sinusitis, unspecified
Also known as:
- Atrial Fibrillation
- Afib
- A-fib
- Irregular heart rhythm
ICD-10 Codes:
- I4891: Unspecified atrial fibrillation
Which procedures does Dr. Tan perform as a Internist?
As a Internist, procedures performed by an Dr. William Tan 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. Tan's office.
Does Dr. Tan accept my insurance?
Dr. Tan accepts most major insurance plans. Important: Please call our office at (410) 795-7737 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Tan accept in Frederick, MD?
Dr. Tan in Frederick, MD accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Carefirst BlueCross BlueShield
CVS Health (formerly Aetna)
Department of Defense / Tricare
Express Scripts
Johns Hopkins
Medicare
Mutual of Omaha
Riverside Health
UnitedHealthcare
View All Insurances
Where is Dr. Tan's office located?
Dr. William Tan's Primary Practice
187 Thomas Johnson Dr Ste 6
Frederick, MD 21702
(410) 795-7737
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 1386754455.
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. William Tan's specialty?
Dr. Tan is a Internist near Frederick, MD.
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. Tan to book an appointment today.Is this Dr. William Tan affiliated with a ranked Castle Connolly Top Hospital?
No, Tan is not affiliated with a Castle Connolly Top Hospital. 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 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 William Tan accepting new patients in Frederick, MD?
Yes, Dr. William Tan is accepting new patients at this time.
Does Dr. William Tan offer online booking?
Please contact Dr. Tan's office at (410) 795-7737 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Tan?
Please contact Dr. Tan's office at (410) 795-7737 for information regarding telehealth appointment availability or for scheduling assistance.
Other Internist Near Frederick, MD
BH
Internist
Accepting patientsDr. Brendan Henderson, MD is an Internist, who primarily practices in Frederick, MD with 2 additional practice locations. He is board certified by the American Board of Internal Medicine.
Frederick, MD
LS
Internist
Accepting patientsDr. Lisa Simonson, MD is an Internist, who primarily practices in Frederick, MD with 2 additional practice locations. She is board certified by the American Board of Internal Medicine.
Frederick, MD
JM
Internist
Accepting patientsDr. Jennifer Macalanda, MD is an Internist, who primarily practices in Frederick, MD with 2 additional practice locations. She is board certified by the American Board of Internal Medicine.
Frederick, MD