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

Ian Winchester Flinn, MD

Individual provider Hematology & Oncology Physician · NPI 1417990367

Ian Winchester Flinn, MD is a Hematology/Oncology in Nashville, Tennessee. Graduated from Johns Hopkins University School of Medicine in 1990, 36 years ago. Practices with Tennessee Oncology PLLC, a 354-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
36
Trained at
Johns Hopkins University School of Medicine
Licensed in
TN
In the registry since
2006
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

250 25th Ave N Ste 412
Nashville, TN 37203-1632
Phone: (615) 986-7600
Fax: (615) 986-7601
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 41006 (TN)

Record details

NPI number1417990367
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESJanuary 24, 2012

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolJOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Tennessee Oncology Pllc — 354 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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