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

Dr. Madeline L. O'Sullivan, MD

Individual provider Rheumatology Physician · NPI 1770111353

Dr. Madeline L. O'Sullivan, MD is an Internal Medicine in Tulsa, Oklahoma. Graduated from University of Oklahoma College of Medicine in 2020, 6 years ago. Works from 2 locations. Licensed in Oklahoma.

Years since qualifying
6
Trained at
University of Oklahoma College of Medicine
Licensed in
OK
In the registry since
2020
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

2488 E 81st St Ste 290
Tulsa, OK 74137-4299
Phone: (918) 494-2665
Fax: (918) 927-3193
Show map & directions

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

Additional practice locations (1)

  • 30 N 1900 E Rm 4c116, Salt Lake City, UT 84132-0002 — (801) 585-3580

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 48229 (OK)

Record details

NPI number1770111353
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2020
Last updated in NPPESAugust 2, 2026
Certification dateAugust 2, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesRHEUMATOLOGY
Medical schoolUNIVERSITY OF OKLAHOMA COLLEGE OF MEDICINE
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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