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

Dr. Rodney O. Diehl, DO

Individual provider Cardiovascular Disease Physician · NPI 1174502298

Dr. Rodney O. Diehl, DO is an Interventional Cardiology in Morristown, Tennessee. Qualified in 1992, 34 years ago. Practices with Knoxville Heart Group, Inc, a 21-clinician group and accepts Medicare assignment. Licensed in Michigan and Tennessee.

Years since qualifying
34
Licensed in
MI, TN
In the registry since
2006
Specialties on file
3
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.

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Practice location Address checks out

705 McFarland St
Morristown, TN 37814-3977
Phone: (423) 492-5450
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Interventional Cardiology Physician (primary) Taxonomy 207RI0011X · Licence 4025 (TN)
Cardiovascular Disease Physician Taxonomy 207RC0000X · Licence 5101012144 (MI)
Interventional Cardiology Physician Taxonomy 207RI0011X · Licence 5101012144 (MI)

Record details

NPI number1174502298
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 17, 2006
Last updated in NPPESAugust 5, 2020
Certification dateAugust 5, 2020
Mailing address705 McFarland St, Morristown, TN 37814-3977

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL CARDIOLOGY
Medical schoolOTHER
Graduated 1992 (34 years in practice)
Group practice Knoxville Heart Group, Inc. — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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