Dr. Tan accepts Blue Cross Blue Shield and Empire Blue Cross Blue Shield, and other major insurance plans. Please call ahead to confirm all accepted insurance plans.
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- Internal Medicine Doctors
- NY
- Sayville
- Dr. Alfonso Tan, MD
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Overview of Dr. Alfonso Tan, MD
Dr. Alfonso Tan, MD is an Internal Medicine Specialist in Sayville, NY. They specialize in Internal Medicine, has 62 years of experience. They graduated from Far Eastern University – Dr. Nicanor Reyes Medical Foundation.
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Dr. Tan's Office Locations
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Alfonso Tan MD PC297 W Main St, Sayville, NY 11782 Directions (631) 589-2323
Experience & Treatment Frequency
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What is treatment frequency?
Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:
Very HighFrequency HighFrequency NormalFrequency May Perform Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.
NEW FEATURE
What is treatment frequency?
Our treatment frequency feature helps you understand howoften a provider performs or treats a specificprocedure/condition compared to other doctors. Providersrank in one of four frequency categories:
Very HighFrequency
HighFrequency
NormalFrequency
May Perform
Specific procedures/conditions that don’t haveenough data are indicated with “May Perform”. We encourageyou to contact the provider with questions about theirexperience.
Search for conditions or procedures.
Condition or procedure
Treatment Frequency
Acute Bronchitis
Acute Lower Respiratory Infection
Arterial Blood Gas Test (ABG)
Abdominal Pain
Acute Pharyngitis
Acute Sinusitis
Acute Upper Respiratory Infection
All Headaches (incl. Migraine)
Anemia
Anxiety
Arthritis
Arthritis of the Elbow
Asthma
Atherosclerosis
Back Pain
Blood in Urine (Hematuria)
Bronchitis
Burn Injuries
Cellulitis
Chronic Fatigue Syndrome
Common Cold
Constipation
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
Diabetes Type 1
Diabetes Type 2
Diabetes With Renal Manifestations
Diarrhea
Difficulty With Walking
Dizziness
Dry Skin
Dyslipidemia
Dysphagia
Ear Ache
Eczema and Contact Dermatitis
Enlarged Prostate (BPH)
Esophagitis
Foot Infection
Fungal Nail Infection
Gait Abnormality
Gastroesophageal Reflux Disease (GERD)
Headache
Heart Disease
Hemorrhoids
Herpes Zoster Without Complication
Hyperkalemia
Hyperlipidemia
Hypertension
Hypoglycemia
Hypothyroidism
Influenza (Flu)
Intestinal Diverticulitis
Irritable Bowel Syndrome
Joint Pain
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipid Disorders
Low Back Pain
Malaise and Fatigue
Menopausal and Postmenopausal Disorders
Muscle Weakness
Nail Infection
Nasopharyngitis
Nausea
Obesity
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Osteopenia
Osteoporosis
Otitis Media
Outer Ear Infection
Overactive Bladder
Overweight
Patellofemoral Pain Syndrome (PFPS)
Pharyngitis
Plantar Fasciitis
Pneumonia
Poison Ivy, Poison Oak, or Poison Sumac Poisoning
Postnasal Drip
Prostatitis
Radiculopathy
Reflux Esophagitis
Ringworm
Sciatica (Not Due to Disc Displacement)
Second-Degree Burns
Shingles
Sinus Tachycardia
Sinusitis
Stye
Swine Flu
Throat Pain
Tobacco Use Disorder
Urinary Incontinence
Urinary Tract Infection (UTI)
Vertigo
Vitamin B Deficiency
Vitamin B12 Deficiency
Vitamin D Deficiency
Electrocardiogram (EKG)
Immunization Administration
Wellness Examination
Acute Bronchitis
Acute Lower Respiratory Infection
Arterial Blood Gas Test (ABG)
Acute Bronchitis
Acute Lower Respiratory Infection
Arterial Blood Gas Test (ABG)
Treatment frequency
Many providers have expertise treating multiple conditions or procedures. FindCare uses a variety of data sources to determine which conditions or procedures a provider treats and their level of experience.
Acute Bronchitis
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Acute Lower Respiratory Infection
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Arterial Blood Gas Test (ABG)
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Intestinal Diverticulitis
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Joint Pain
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Urinary Incontinence
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Urinary Tract Infection (UTI)
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Electrocardiogram (EKG)
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Immunization Administration
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Abdominal Pain
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Acute Pharyngitis
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Acute Sinusitis
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Acute Upper Respiratory Infection
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All Headaches (incl. Migraine)
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Anemia
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Anxiety
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Arthritis
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Arthritis of the Elbow
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Asthma
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Atherosclerosis
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Back Pain
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Blood in Urine (Hematuria)
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Bronchitis
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Burn Injuries
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Cellulitis
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Chronic Fatigue Syndrome
- View other providers who treat Chronic Fatigue Syndrome
Common Cold
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Constipation
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Contact Dermatitis
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COPD (Chronic Obstructive Pulmonary Disease)
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Diabetes Type 1
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Diabetes Type 2
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Diabetes With Renal Manifestations
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Diarrhea
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Difficulty With Walking
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Dizziness
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Dry Skin
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Dyslipidemia
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Dysphagia
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Ear Ache
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Eczema and Contact Dermatitis
- View other providers who treat Eczema and Contact Dermatitis
Enlarged Prostate (BPH)
- View other providers who treat Enlarged Prostate (BPH)
Esophagitis
- View other providers who treat Esophagitis
Foot Infection
- View other providers who treat Foot Infection
Fungal Nail Infection
- View other providers who treat Fungal Nail Infection
Gait Abnormality
- View other providers who treat Gait Abnormality
Gastroesophageal Reflux Disease (GERD)
- View other providers who treat Gastroesophageal Reflux Disease (GERD)
Headache
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Heart Disease
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Hemorrhoids
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Herpes Zoster Without Complication
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Hyperkalemia
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Hyperlipidemia
- View other providers who treat Hyperlipidemia
Hypertension
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Hypoglycemia
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Hypothyroidism
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Influenza (Flu)
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Irritable Bowel Syndrome
- View other providers who treat Irritable Bowel Syndrome
Limb Swelling
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Limb Swelling Caused by Fluid Overload
- View other providers who treat Limb Swelling Caused by Fluid Overload
Lipid Disorders
- View other providers who treat Lipid Disorders
Low Back Pain
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Malaise and Fatigue
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Menopausal and Postmenopausal Disorders
- View other providers who treat Menopausal and Postmenopausal Disorders
Muscle Weakness
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Nail Infection
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Nasopharyngitis
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Nausea
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Obesity
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Osteoarthritis
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Osteoarthritis of Foot
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Osteoarthritis of Knee
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Osteoarthritis of Shoulder
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Osteoarthritis of Spine
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Osteopenia
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Osteoporosis
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Otitis Media
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Outer Ear Infection
- View other providers who treat Outer Ear Infection
Overactive Bladder
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Overweight
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Patellofemoral Pain Syndrome (PFPS)
- View other providers who treat Patellofemoral Pain Syndrome (PFPS)
Pharyngitis
- View other providers who treat Pharyngitis
Plantar Fasciitis
- View other providers who treat Plantar Fasciitis
Pneumonia
- View other providers who treat Pneumonia
Poison Ivy, Poison Oak, or Poison Sumac Poisoning
- View other providers who treat Poison Ivy, Poison Oak, or Poison Sumac Poisoning
Postnasal Drip
- View other providers who treat Postnasal Drip
Prostatitis
- View other providers who treat Prostatitis
Radiculopathy
- View other providers who treat Radiculopathy
Reflux Esophagitis
- View other providers who treat Reflux Esophagitis
Ringworm
- View other providers who treat Ringworm
Sciatica (Not Due to Disc Displacement)
- View other providers who treat Sciatica (Not Due to Disc Displacement)
Second-Degree Burns
- View other providers who treat Second-Degree Burns
Shingles
- View other providers who treat Shingles
Sinus Tachycardia
- View other providers who treat Sinus Tachycardia
Sinusitis
- View other providers who treat Sinusitis
Stye
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Swine Flu
- View other providers who treat Swine Flu
Throat Pain
- View other providers who treat Throat Pain
Tobacco Use Disorder
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Vertigo
- View other providers who treat Vertigo
Vitamin B Deficiency
- View other providers who treat Vitamin B Deficiency
Vitamin B12 Deficiency
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Vitamin D Deficiency
- View other providers who treat Vitamin D Deficiency
Wellness Examination
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Check your insurance
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View All Accepted Carriers
- Blue Cross Blue Shield
- Capital District Physician's Health Plan (CDPHP)
- Empire Blue Cross Blue Shield
- Excellus BlueCross BlueShield
- MagnaCare
* Please verify this information when scheduling an appointment.
About Dr. Alfonso Tan, MD
Specialties*
- Internal Medicine
-
*Healthline does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Specialties*
Years of Experience
- 62 years of experience
Years of Experience
Years of experience represents how long a provider has been practicing in their field since graduating from medical school. Not all providers will have this information available.
Languages Spoken
- English, Chinese
Languages Spoken
NPI Number
- 1588689566
NPI Number
A National Provider Identifier (NPI) is a unique 10-digit identifier issued by the government to healthcare providers.
Education & Certifications
Medical Education
- Far Eastern University – Dr. Nicanor Reyes Medical Foundation
Medical Education
Frequently Asked Questions
Dr. Tan has indicated that they do offer telehealth services. Please call the provider’s office at for more information.
Dr. Tan works at
Dr. Tan speaks Chinese.
Dr. Tan has not been reviewed and rated on Healthline FindCare, yet. If you have seen this provider you can leave your own review based on your experience with Dr. Tan.
Whether a person prefers to schedule an appointment online or over the phone with Dr. Tan, there are benefits to both methods. A person calling to schedule an with Dr. Tan appointment can ask questions about the practice, provider availability, conditions treated, procedures performed, and if their insurance carrier is accepted. While online scheduling is quicker, easier, allows one to view a wide range of appointment times, and may provide the ability to sync with a personal calendar.
