IndividualActive
John Vassar, M.D.
NPI 1144248295 · Anesthesiology Physician · Aberdeen, SD
Provider details
- NPI number
- 1144248295
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 5857 (SD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Practice location
305 S State St
Aberdeen, SD 57401-4527
Phone: (605) 622-5000
Fax: (605) 622-5127
Approximate (ZIP-level) locationGet directions
Mailing address
Po Box 1460
Aberdeen, SD 57402-1460
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2015-07-09
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.