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

Robert John Ostrander, MD

Individual provider Hospitalist Physician · NPI 1881652907

Robert John Ostrander, MD is a Family Practice in Rushville, New York. Graduated from State University of Ny Upstate Medical University in 1983, 43 years ago. Practices with Clifton Springs Sanitarium Co, a 226-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
43
Trained at
State University of Ny Upstate Medical University
Licensed in
NY
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.

See every abbreviation used in this directory →

Practice location Address checks out

213 State Route 245
Rushville, NY 14544-9604
Phone: (585) 554-3119
Fax: (585) 554-3323
Show map & directions

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

Additional practice locations (3)

  • 198 Parrish St, Canandaigua, NY 14424-1729 — (585) 394-4920
  • 2 Coulter Rd, Clifton Springs, NY 14432-1122 — (315) 462-9561
  • 4638 State Route 245, Gorham, NY 14561 — (585) 554-3119

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 160360 (NY)
Hospitalist Physician Taxonomy 208M00000X · Licence 160360 (NY)

Record details

NPI number1881652907
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2006
Last updated in NPPESDecember 10, 2021
Certification dateDecember 10, 2021

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesHOSPITALIST
Medical schoolSTATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Graduated 1983 (43 years in practice)
Group practice Clifton Springs Sanitarium Co — 226 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount