Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Caitlin Marie Trierweiler, PA-C
Physician Assistant in Avon, IN · enumerated 2012.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1104178045
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Registry record
Entity type Individual (Type 1)
Name Caitlin Marie Trierweiler
Credential PA-C
Sex Female
Practice address 8244 E Us Highway 36 Ste 1260, Avon, IN, 46123
Phone (317) 838-9355
Fax (317) 544-6139
Enumeration date Oct 2, 2012
Last updated in NPPES May 21, 2026
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 10001435A (IN) Primary
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA.0004008 (CO) Secondary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 34533371 | Medicaid | CO | - |
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 Caitlin Trierweiler practice?
The practice location on file with NPPES is in Avon, IN. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Caitlin Trierweiler?
The National Provider Identifier (NPI) for Caitlin Trierweiler is 1104178045, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-21.