Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Melissa Ann Dietz, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1558581116

Dr. Melissa Ann Dietz, MD is an Obstetrics/Gynecology in Tulsa, Oklahoma. Graduated from University of Arkansas College of Medicine in 2005, 21 years ago. Practices with St John Physicians, Inc, a 264-clinician group and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
21
Trained at
University of Arkansas College of Medicine
Licensed in
OK
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1919 S Wheeling Ave Ste 504
Tulsa, OK 74104-5634
Phone: (918) 301-2505
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 24521 (OK)

Record details

NPI number1558581116
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedApril 26, 2007
Last updated in NPPESJuly 21, 2025
Certification dateJuly 21, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice St. John Physicians, Inc. — 264 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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