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

Oscar H. Grandas, MD

Individual provider Transplant Surgery Physician · NPI 1366550014

Oscar H. Grandas, MD is a Vascular Surgery in Knoxville, Tennessee. Qualified in 1986, 40 years ago. Practices with University Health System, Inc, a 529-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
40
Licensed in
TN
In the registry since
2006
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

1940 Alcoa Hwy Ste E 120
Knoxville, TN 37920
Phone: (865) 305-8040
Fax: (865) 305-8041
Show map & directions

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

Specialties & licences

Vascular Surgery Physician (primary) Taxonomy 2086S0129X · Licence 38851 (TN)
Transplant Surgery Physician Taxonomy 204F00000X · Licence 38851 (TN)

Record details

NPI number1366550014
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 25, 2006
Last updated in NPPESJune 6, 2018

Medicare enrollment

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

Medicare specialtyVASCULAR SURGERY
Medical schoolOTHER
Graduated 1986 (40 years in practice)
Group practice University Health System, Inc. — 529 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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