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

Louis J Riley Jr., MD

Individual provider Nephrology Physician · NPI 1720139983

Louis J Riley Jr., MD is a Nephrology in Elmira, New York. Graduated from Tufts University School of Medicine in 1977, 49 years ago. Practices with Arnot Ogden Medical Center, a 217-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
49
Trained at
Tufts University School of Medicine
Licensed in
NY
In the registry since
2007
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

200 Madison Ave Fl 3
Elmira, NY 14901-3219
Phone: (607) 734-1581
Fax: (607) 734-0972
Show map & directions

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

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence 235016 (NY)

Record details

NPI number1720139983
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 15, 2007
Last updated in NPPESFebruary 22, 2021
Certification dateFebruary 22, 2021

Medicare enrollment

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

Medicare specialtyNEPHROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1977 (49 years in practice)
Group practice Arnot Ogden Medical Center — 217 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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