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

Dr. Nicholas N. Hanna, MD

Individual provider Internal Medicine Physician · NPI 1225284094

Dr. Nicholas N. Hanna, MD is a Cardiovascular Disease (Cardiology) in Tulsa, Oklahoma. Graduated from Louisiana State University School of Medicine in Shreveport in 2006, 20 years ago. Practices with St John Physicians, Inc, a 264-clinician group and accepts Medicare assignment. Licensed in District of Columbia and Oklahoma.

Years since qualifying
20
Trained at
Louisiana State University School of Medicine in Shreveport
Licensed in
DC, OK
In the registry since
2008
Specialties on file
2
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

1923 S Utica Ave
Tulsa, OK 74104-6520
Phone: (918) 748-7650
Fax: (918) 403-6341
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 31269 (OK)
Internal Medicine Physician Taxonomy 207R00000X · Licence 136547 (DC)

Record details

NPI number1225284094
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 13, 2008
Last updated in NPPESMarch 8, 2018

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Medical schoolLOUISIANA STATE UNIVERSITY SCHOOL OF MEDICINE IN SHREVEPORT
Graduated 2006 (20 years in practice)
Group practice St. John Physicians, Inc. — 264 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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