Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Lynn Y-Nhi Clewley, M.D.
Surgery Physician in Billings, MT · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598110561
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Lynn Y-Nhi Clewley
Credential M.D.
Sex Female
Practice address 2800 10th Ave N, Billings, MT, 59101
Phone (406) 238-2500
Enumeration date Apr 27, 2016
Last updated in NPPES Nov 13, 2022
Taxonomy & licenses
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care 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
Where does Lynn Clewley practice?
The practice location on file with NPPES is in Billings, MT. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Lynn Clewley?
The National Provider Identifier (NPI) for Lynn Clewley is 1598110561, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Kyle Townsend Pharmacotherapy Pharmacist · Billings, MT NPI 1467454207 Richard Spillman Physician Assistant · Billings, MT NPI 1104810753 John Pender Surgery Physician · Billings, MT NPI 1730174152 Jennifer Pflug Hospitalist Physician · Billings, MT NPI 1912989542 John Sillery Diagnostic Radiology Physician · Billings, MT NPI 1699752709 Ronald Linfesty Anatomic Pathology Physician · Billings, MT NPI 1972583045 Howard Harvey Anesthesiology Physician · Billings, MT NPI 1922071588 Alissa Ray Physical Therapist · Billings, MT NPI 1568430916
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-13.