Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael Spencer Harper, MD
Hospitalist Physician in Renton, WA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1902338270
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Michael Spencer Harper
Credential MD
Sex Male
Practice address 400 S 43rd St, Renton, WA, 98055
Phone (425) 228-3440
Fax (425) 656-4214
Enumeration date Mar 28, 2017
Last updated in NPPES Aug 5, 2020
Taxonomy & licenses
207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD61047372 (WA) Secondary
390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary
208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License MD61047372 (WA) Primary
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 Michael Harper?
The National Provider Identifier (NPI) for Michael Harper is 1902338270, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Harper practice?
The practice location on file with NPPES is in Renton, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Eduardo Margo Hospitalist Physician · Renton, WA NPI 1588660831 Vantage Radiology & Diagnostic Services, A Professional Services Corp Diagnostic Radiology Physician · Renton, WA NPI 1245230598 Associated Emergency Room Physicians, Inc P.S. Emergency Medicine Physician · Renton, WA NPI 1861480840 Imaging Partners at Valley LLC Diagnostic Radiology Physician · Renton, WA NPI 1215918081 Kathleen Porter Pharmacist · Renton, WA NPI 1841272630 Nicholas Rezek Physician Assistant · Renton, WA NPI 1356329221 Brian Levy Hospitalist Physician · Renton, WA NPI 1043272925 Stephen Bretz Emergency Medical Services (Emergency Medicine) Physician · Renton, WA NPI 1174581573
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-05.