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

Kiron Viswambharan Nair, MD

Individual provider Hematology & Oncology Physician · NPI 1790209914

Kiron Viswambharan Nair, MD is a Hematology/Oncology in Oskaloosa, Iowa. Qualified in 2005, 21 years ago. Practices with Mahaska County Hospital, a 124-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in Iowa, Missouri and New York.

Years since qualifying
21
Licensed in
IA, MO, NY
In the registry since
2017
Specialties on file
3
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

1229 C Ave E
Oskaloosa, IA 52577-4298
Phone: (641) 672-3236
Show map & directions

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

Additional practice locations (4)

  • 1600 N 2nd St, Clinton, MO 64735-1192 — (660) 885-5511
  • 2316 E Meyer Blvd, Kansas City, MO 64132-1136 — (816) 601-3990
  • 2750 Clay Edwards Dr Lowr Level, North Kansas City, MO 64116-3237 — (816) 691-5216
  • 1 Brookdale Plz, Brooklyn, NY 11212-3139 — (718) 240-5000

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD-54987 (IA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 2021040912 (MO)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (NY)

Record details

NPI number1790209914
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 30, 2017
Last updated in NPPESSeptember 11, 2025
Certification dateSeptember 11, 2025

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Mahaska County Hospital — 124 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount