Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michael Barth, PA-C
Physician Assistant in Portland, OR · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023416906
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Michael Barth
Credential PA-C
Sex Male
Practice address 1111 Ne 99th Ave Ste 301, Portland, OR, 97220
Phone (503) 963-2707
Fax (503) 963-2802
Enumeration date Dec 9, 2014
Last updated in NPPES Sep 3, 2025
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA173220 (OR) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 500707500 | Medicaid | OR | - |
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 Barth?
The National Provider Identifier (NPI) for Michael Barth is 1023416906, a Type 1 (individual) record in the CMS NPPES registry.
Where does Michael Barth practice?
The practice location on file with NPPES is in Portland, OR. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Gennadiy Bakis Gastroenterology Physician · Portland, OR NPI 1184614455 Charles Gabbert Gastroenterology Physician · Portland, OR NPI 1750587945 Tricia Eisenbraun Registered Dietitian · Portland, OR NPI 1558554360 Thienluong Domi Le Gastroenterology Physician · Portland, OR NPI 1659525962 Ajay Singhvi Gastroenterology Physician · Portland, OR NPI 1740623131 Branden Tarlow Gastroenterology Physician · Portland, OR NPI 1063845998 Jennifer Yeh Gastroenterology Physician · Portland, OR NPI 1467875385 Ian Holmes Gastroenterology Physician · Portland, OR NPI 1073933099
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-03.