Sergio A. Diaz
Expertise in
26
conditions
Expertise in
26
conditions
301 Med Tech Pkwy, Ste 240, 
Johnson City, TN 

Overview

.

Dr. Diaz is highly rated in 26 conditions, according to our data. His top areas of expertise are Cellulitis, Acute Cystitis, Sepsis, Ureteroscopy, and Gastrostomy.

Graduate Institution

Universidad Francisco Marroquin,  

Residency

East Tennessee State University

Specialties

Internal Medicine

Licenses

Internal Medicine in TN

Board Certifications

American Board Of Internal Medicine

Fellowships

Hospitalist Medicine

Hospital Affiliations

 

Languages Spoken

English

Gender

Male

Awards

 

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem BCBS
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
CareSource
  • HMO
Cigna
  • EPO
  • HMO
  • PPO
Farm Bureau Health Plans
  • HMO
  • MEDICARE MAPD
  • MEDICARE PDP
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Independent Health
  • EPO
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
MVP Health
  • EPO
  • PPO
TeamCare
  • OTHER COMMERCIAL
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 13 Less Insurance Carriers -

Locations

Johnson City Internal Medicine
301 Med Tech Pkwy, Ste 240, Johnson City, TN 37604
Similar Doctors
Expertise in
80
conditions
Internal Medicine
Expertise in
80
conditions
Internal Medicine

Tennessee Cancer Specialists

1301 Sunset Dr, Ste 3, 
Johnson City, TN 
 (0.9 miles away)
Languages Spoken:
English
Offers Telehealth

. Dr. Tumkur is highly rated in 80 conditions, according to our data. His top areas of expertise are Familial Colorectal Cancer, Colorectal Cancer, Acute Mountain Sickness, and Anemia.

Amy L. Proffitt
Expertise in
22
conditions
Internal Medicine
Expertise in
22
conditions
Internal Medicine

FirstChoice Internal Medicine

301 Med Tech Pkwy, Ste 280, 
Johnson City, TN 
 (0.1 miles away)
Languages Spoken:
English
Offers Telehealth

. Dr. Proffitt is highly rated in 22 conditions, according to our data. Her top areas of expertise are Infant Hyperglycemia, Sitosterolemia, Vitamin B12 Deficiency Anemia, and Multiple Carboxylase Deficiency.

Mark A. Williams
Expertise in
38
conditions
Internal Medicine
Expertise in
38
conditions
Internal Medicine

Johnson City Internal Medicine

301 Med Tech Pkwy, Ste 240, 
Johnson City, TN 
 (0.1 miles away)
Languages Spoken:
English
Offers Telehealth

. Dr. Williams is highly rated in 38 conditions, according to our data. His top areas of expertise are Sitosterolemia, Undifferentiated Connective Tissue Disease (UCTD), High Cholesterol, Gallbladder Removal, and Nephrectomy.

Frequently Asked Questions about Dr. Sergio A. Diaz

How do I make an appointment with Dr. Sergio A. Diaz?

You can book an appointment with Dr. Sergio A. Diaz by calling their office at 423-794-5520. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Is Dr. Sergio A. Diaz a top-rated expert for Cellulitis?

MediFind is an objective health platform that identifies experts based on real-world data. Dr. Sergio A. Diaz is classified as an Distinguished expert for Cellulitis, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.

What conditions does Dr. Sergio A. Diaz specialize in?

While Dr. Sergio A. Diaz is a Internal Medicine, they have specific expertise in Cellulitis, Acute Cystitis, and Sepsis. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Internal Medicine.

Does Dr. Sergio A. Diaz accept my insurance?

Dr. Sergio A. Diaz accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 423-794-5520 to verify that your specific plan is currently accepted before your visit.

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Diaz's expertise for a condition
ConditionClose
    View All 25 Advanced Conditions
    View All 128 Experienced Conditions
    Want to save this doctor for later?
    Sign Up
    Is this your doctor?
    Find A Second Opinion
    Not sure about your diagnosis?
    Check Your Symptoms
     
     
     
     
    Learn about our expert tiers
    Learn More
    Are you the provider on this profile?
    Claim Profile