Gregory JohnsenMD
Cardiology·Tulsa, OK
Gregory Johnsen, MD is a Cardiology provider in Tulsa, OK, as of July 2026.
- NPI1710957105
- Registered2006
- Class of1988
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Education
Education on record as of August 2026.
Gregory Johnsen at a glance
- Provider
- Gregory Johnsen
- Credential
- MD
- Specialty
- Cardiovascular Disease (Cardiology)
- Procedures
- Cardiology CPT codes
- Location
- Tulsa, OK
- Medical school
- University of Oklahoma College of Medicine
- Graduated
- 1988
- NPI registered
- 2006
- NPI
- 1710957105
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Gregory Johnsen practice?
Gregory Johnsen, MD is based in Tulsa, OK. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Gregory Johnsen's NPI number?
Gregory Johnsen's National Provider Identifier (NPI) is 1710957105, registered in 2006. Specialty on record: Cardiovascular Disease (Cardiology); credential MD.
Where did Gregory Johnsen go to medical school?
Gregory Johnsen, MD attended University of Oklahoma College of Medicine, graduating in 1988.
How many Cardiology providers in Oklahoma work at ambulatory surgery centers?
4 Cardiology surgeons and proceduralists in Oklahoma are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Gregory Johnsen among them. The Oklahoma Cardiology directory lists each one by city with credential, NPI, and center affiliations.
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