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

Dr. Daniel Armand Castellani Sr., MD

Individual provider Specialist · NPI 1669459368

Dr. Daniel Armand Castellani Sr., MD is a Neurology in Williamsville, New York. Graduated from State University of New York at Buffalo School of Medicine in 1981, 45 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
45
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
NY
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

6245 Sheridan Dr Ste # 216
Williamsville, NY 14221-4834
Phone: (716) 626-2647
Fax: (716) 204-1400
Show map & directions

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

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 151648-1 (NY)

Record details

NPI number1669459368
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 23, 2005
Last updated in NPPESOctober 26, 2010

Medicare enrollment

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

Medicare specialtyNEUROLOGY
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Williamsville