Summary

Dr. John Decker specializes in obstetrics and gynecology, bringing three decades of experience to women's healthcare. He earned his medical degree from the University of Arizona College of Medicine, where he also completed his residency training. Dr. Decker is fluent in both English and Spanish.

Dr. Decker practices at multiple locations throughout Tucson, Arizona, including Carondelet Saint Joseph's Hospital and Banner University Medical Center Tucson Campus. He provides comprehensive care for conditions such as depression during pregnancy, sexually transmitted infections, and bleeding during pregnancy. His services include pregnancy testing and specialized pregnancy hormone evaluations. Patients have given Dr. Decker an average rating of 4.5 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.5
  • 30 years of experience
  • 35 insurance plans accepted
  • speaks English, Spanish
  • University Of Arizona College Of Medicine
  • 23 written reviews
  • 1 specialty
  • 12 areas of expertise
  • 1 hospital affiliation
  • 4 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. John Thaddeus Decker has 4 locations

Carondelet Saint Marys Hospital

1601 W Saint Marys RdTucson, AZ 85745

Carondelet Saint Josephs Hospital

350 N Wilmot RdTucson, AZ 85711

Genesis Obgyn Harmony

6565 E Carondelet Dr Ste 300Tucson, AZ 85710
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 3:00 pm
SatClosed
SunClosed

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Dr. John Thaddeus Decker, MDDr. Carlos Alberto FloresDr. Elizabeth Ann SimoneauDr. Deborah Sukman Blattstein, MD
Obstetrics & GynecologyNeonatologyObstetrics & GynecologyObstetrics & Gynecology
Accepts New Patients
4.5 
30 Years of Experience 48 Years of Experience 46 Years of Experience 42 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English, Spanish Speaks English Speaks English
Tucson , AZTucson , AZTucson , AZTucson , AZ
Med School: University Of Arizona College Of Medicine Med School: Northwestern University Feinberg School Of Medicine Med School: UMDNJ Robert Wood Johnson Med School: Baylor College of Medicine
Current Profile
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Insurance Plans Accepted by Dr. John Thaddeus Decker

  • AARP
  • Aetna
  • APWU
  • Banner Health
  • Banner Health - Medicaid (Managed)
  • Blue Cross Blue Shield of Arizona
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • CHAMPVA
  • Cigna
  • GEHA
  • GEHA - PPO
  • Golden Rule
  • HealthNow
  • HealthSmart - PPO
  • Humana
  • InterCommunity Health Network CCO - PPO
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Mercy Care
  • Meritain Health
  • Meritain Health - PPO
  • PreferredOne
  • Priority Health
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - IPA
  • UnitedHealthcare - Medicaid (Managed)
  • UnitedHealthcare - Medicare (Advantage HMO)
  • University of Arizona Health Plans
  • Zenith

Medical Specialties

Dr. John Thaddeus Decker has the following specialty

Specialty Expertise

Dr. John Thaddeus Decker has the following 12 areas of expertise

  • Birth Control
  • C-section
  • Child Birth
  • Contraception
  • Hot Flashes
  • Infertility
  • Menopause
  • Menstrual Pain
  • Pap Smear
  • Pelvic Exam
  • Pregnancy
  • Women's Health

Certifications, License, & Education

30 Years Experience

Dr. John Thaddeus Decker holds an active medical license in the state of Arizona.

Medical License

Medical Doctor with an active medical license in the state of Arizona that expires in 2027.

Education & Training

Residency

Completed their residency at University Of Arizona College Of Medicine.

Medical School

Graduated from University Of Arizona College Of Medicine in 1996.

NPI Number

Dr. Decker's NPI number is 1578512257.

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Frequently Asked Questions

Is Dr. John Decker accepting new patients?
Dr. John Decker is accepting new patients on Vitals. View Dr. John Decker's profile on Vitals to make an appointment.
Does Dr. John Decker accept my insurance?
You can see the insurance plans that Dr. John Decker accepts on their Vitals profile.
What languages does Dr. John Decker speak?
Dr. John Decker speaks English and Spanish.
How can I make an appointment with Dr. John Decker?
You can find contact information for Dr. John Decker here on Vitals.
Where is Dr. John Decker's office located?
Dr. John Decker's office is located at 1601 W Saint Marys Rd, Tucson, AZ, 85745.

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