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

John R Weinhold Jr., MD

Individual provider Medical Oncology Physician · NPI 1265417737

John R Weinhold Jr., MD is a Hematology/Oncology in Olean, New York. Qualified in 1982, 44 years ago. Practices with Samaritan Hospital of Troy, New York, a 260-clinician group, works from 4 locations, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
44
Licensed in
NY
In the registry since
2005
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

535 Main St
Olean, NY 14760
Phone: (716) 372-0141
Fax: (716) 372-6421
Show map & directions

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

Additional practice locations (3)

  • 317 S Manning Blvd Ste 220, Albany, NY 12208-3909 — (518) 525-6418
  • 1 Tallow Wood Dr, Clifton Park, NY 12065-2807 — (518) 268-5060
  • 1300 Massachusetts Ave, Troy, NY 12180-1628 — (518) 268-5060

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 1522551 (NY)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 152255-1 (NY)

Record details

NPI number1265417737
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 7, 2005
Last updated in NPPESJune 1, 2021
Certification dateJune 1, 2021

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 1982 (44 years in practice)
Group practice Samaritan Hospital Of Troy, New York — 260 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Olean