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

Mary Katlin Nixon, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1003307935

Mary Katlin Nixon, MD is an Obstetrics/Gynecology in Norman, Oklahoma. Graduated from University of Oklahoma College of Medicine in 2018, 8 years ago. Practices with Variety Care, Inc, a 105-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Oklahoma.

Years since qualifying
8
Trained at
University of Oklahoma College of Medicine
Licensed in
OK
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3440 Rc Luttrell Dr Ste 200
Norman, OK 73072-9005
Phone: (405) 360-1264
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1237 Alameda St, Norman, OK 73071-3006 — (405) 632-6688
  • 1025 Straka Ter, Oklahoma City, OK 73139-2544 — (405) 632-6688

Specialties & licences

Obstetrics & Gynecology Physician (primary) Taxonomy 207V00000X · Licence 33858 (OK)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1003307935
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 26, 2018
Last updated in NPPESDecember 22, 2025
Certification dateDecember 22, 2025

Medicare enrollment

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

Medicare specialtyOBSTETRICS/GYNECOLOGY
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 2018 (8 years in practice)
Group practice Variety Care, Inc. — 105 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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