Summary

Dr. Johnson Thomas specializes in endocrinology with a focus on diabetes and metabolism. He earned his medical degree from T D Medical College Alappuzha and brings two decades of experience to his practice. Dr. Thomas speaks Malayalam in addition to English.

Dr. Thomas practices at Mercy Hospital Springfield and sees patients at Mercy Endocrinology in Springfield, Missouri. He treats patients with obesity concerns, including pediatric obesity cases, and manages Type 2 diabetes. His diagnostic expertise includes kidney function assessments through creatinine testing, blood sugar monitoring with A1c tests, and albumin screening for early diabetes complications. Patients rate Dr. Thomas 5.0 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • 5
  • 20 years of experience
  • 30 insurance plans accepted
  • speaks Malayalam
  • T D Medical College Alappuzha
  • 1 written review
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Mercy Endocrinology - Smith Glynn Callaway

3231 S National Ave Ste 440Springfield, MO 65807
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

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Johnson ThomasDr. Eric Michael Sherman, MDDr. Nancy Miyung Yoon, MDDr. Daniel Francis Lyons, MD
Endocrinology, Diabetes & MetabolismPediatricsEndocrinology, Diabetes & MetabolismEndocrinology, Diabetes & Metabolism
Accepts New Patients Accepts New Patients
4.1 
4.4 
20 Years of Experience 24 Years of Experience 23 Years of Experience 49 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks Malayalam Speaks English Speaks English Speaks Arabic, English, Italian, Polish, Portuguese
Springfield , MOSpringfield , MOSpringfield , MOSpringfield , MO
Med School: T D Medical College Alappuzha Med School: University Of Virginia School Of Medicine Med School: Indiana University School Of Medicine Med School: University Of Oklahoma College Of Medicine
Current Profile
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Insurance Plans Accepted by Johnson Thomas

  • Aetna
  • Allwell from Home State Health
  • Ambetter from Home State Health
  • American Healthcare Alliance
  • Anthem BlueCross BlueShield
  • Arkansas MCO
  • Cigna
  • Comp Care of the Ozarks
  • Comp Results
  • Coventry
  • Each Care Network
  • First Health Network
  • Health Management Network
  • Health Net Federal Services
  • Health Systems Inc.
  • HealthLink
  • Home State Health
  • Humana
  • Integrity Home Care
  • MHNet
  • Missouri Care
  • MultiPlan/PHCS
  • Municipal Health Benefit Fund
  • National Comp Care
  • NHC Advantage
  • OHARA
  • Prime Health Services
  • QualChoice
  • Tri-State Healthcare Coalition
  • USA Managed Care Organization

Medical Specialties

Johnson Thomas has the following 2 specialties

Specialty Expertise

Johnson Thomas has the following 11 areas of expertise

  • Acromegaly
  • Addison Disease
  • Cushing Disease
  • Diabetes (Types I & II)
  • Endocrinology & Metabolism
  • Fatigue
  • Gland Issues
  • Hormones
  • Hyperthyroidism
  • Hypopituitarism
  • Hypothyroidism

Certifications, License, & Education

20 Years Experience

Johnson Thomas holds an expired medical license in the state of Missouri.

Medical License

Medical Doctor with an expired medical license in the state of Missouri that expired in 2026.

Education & Training

Medical School

Graduated from T D Medical College Alappuzha in 2006.

NPI Number

Johnson Thomas' NPI number is 1922231331.

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Frequently Asked Questions

Does Johnson Thomas accept virtual/telehealth appointments?
Johnson Thomas has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Where is Johnson Thomas's office located?
Johnson Thomas's office is located at 3231 S National Ave Ste 440, Springfield, MO, 65807.
How can I make an appointment with Johnson Thomas?
You can find contact information for Johnson Thomas here on Vitals.
Which hospitals is Johnson Thomas affiliated with?
Johnson Thomas is affiliated with Mercy Hospital Springfield.
Does Johnson Thomas accept my insurance?
You can see the insurance plans that Johnson Thomas accepts on their Vitals profile.

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