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

Daniel O Claassen, MD

Individual provider Neurology Physician · NPI 1821101411

Daniel O Claassen, MD is a Neurology in Nashville, Tennessee. Graduated from Medical College of Georgia School of Medicine in 2005, 21 years ago. Practices with Vanderbilt University Medical Center, a 3,466-clinician group and accepts Medicare assignment. Licensed in Tennessee.

Years since qualifying
21
Trained at
Medical College of Georgia School of Medicine
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

3601 Tvc
Nashville, TN 37232-0001
Phone: (615) 322-3000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence 47418 (TN)
Behavioral Neurology & Neuropsychiatry Physician Taxonomy 2084B0040X · Licence 47418 (TN)

Record details

NPI number1821101411
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 16, 2006
Last updated in NPPESMarch 25, 2022
Certification dateMarch 25, 2022

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolMEDICAL COLLEGE OF GEORGIA SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Vanderbilt University Medical Center — 3466 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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