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

Dr. Ryan Conway Wassenaar, DO

Individual provider Internal Medicine Physician · NPI 1457516288

Dr. Ryan Conway Wassenaar, DO is an Internal Medicine in Oak Ridge, Tennessee. Graduated from University of Tennessee, Hsc, College of Medicine in 2009, 17 years ago. Practices with Banner Hospital Based Physicians Arizona LLC, a 641-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona and Tennessee.

Years since qualifying
17
Trained at
University of Tennessee, Hsc, College of Medicine
Licensed in
AZ, TN
In the registry since
2008
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

990 Oak Ridge Tpke
Oak Ridge, TN 37830-6976
Phone: (865) 835-4304
Fax: (865) 835-4303
Show map & directions

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

Additional practice locations (1)

  • 5880 S Hospital Dr, Globe, AZ 85501-9447 — (928) 425-3261

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 2067 (TN)
Internal Medicine Physician Taxonomy 207R00000X · Licence 007164 (AZ)

Record details

NPI number1457516288
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorYes
NPI enumeratedJuly 21, 2008
Last updated in NPPESAugust 29, 2023
Certification dateAugust 29, 2023
Mailing address119 Heritage Dr, Oak Ridge, TN 37830-7965

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF TENNESSEE, HSC, COLLEGE OF MEDICINE
Graduated 2009 (17 years in practice)
Group practice Banner Hospital Based Physicians Arizona Llc — 641 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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