Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Robert Travis Neff, M.D.
Nephrology Physician in Casper, WY · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1710086558
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Dr. Robert Travis Neff
Credential M.D.
Sex Male
Practice address 419 S Washington St, Suite 102, Casper, WY, 82601
Phone (307) 237-5047
Fax (307) 235-4017
Enumeration date Sep 21, 2006
Last updated in NPPES May 4, 2022
Taxonomy & licenses
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License DR.0068391 (CO) Secondary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Robert Neff?
The National Provider Identifier (NPI) for Robert Neff is 1710086558, a Type 1 (individual) record in the CMS NPPES registry.
Where does Robert Neff practice?
The practice location on file with NPPES is in Casper, WY. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Vera Nelson Internal Medicine Physician · Casper, WY NPI 1265425938 Wyoming Surgical Associates PC Surgery Physician · Casper, WY NPI 1598751075 Todd Beckstead Surgery Physician · Casper, WY NPI 1336135763 Lane Smothers Surgery Physician · Casper, WY NPI 1043206485 James Anderson Vascular Surgery Physician · Casper, WY NPI 1205822442 Debra Walker Surgical Physician Assistant · Casper, WY NPI 1912993015 Geoffrey Smith Diagnostic Radiology Physician · Casper, WY NPI 1972571842 Sage Medical Group LLC Clinic/Center · Casper, WY NPI 1700854346
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-05-04.