Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Troy C Thielen, PAC
Physician Assistant in Okemos, MI · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720445810
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Registry record
Entity type Individual (Type 1)
Name Troy C Thielen
Credential PAC
Sex Male
Practice address 2270 Jolly Oak Rd, Suite 1, Okemos, MI, 48864
Phone (517) 975-9475
Fax (517) 975-9490
Enumeration date Jan 21, 2016
Last updated in NPPES Jan 21, 2016
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5601007643 (MI) Primary
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 Troy Thielen?
The National Provider Identifier (NPI) for Troy Thielen is 1720445810, a Type 1 (individual) record in the CMS NPPES registry.
Where does Troy Thielen practice?
The practice location on file with NPPES is in Okemos, MI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Joseph Gonzalez Foot & Ankle Surgery Podiatrist · Okemos, MI NPI 1609871037 Dennis Perry Family Medicine Physician · Okemos, MI NPI 1770578965 Kashmira Chinoy Family Medicine Physician · Okemos, MI NPI 1831184928 Meridian Primary Care PC Family Medicine Physician · Okemos, MI NPI 1629128418 Capital Foot & Ankle Centers, PC Foot & Ankle Surgery Podiatrist · Okemos, MI NPI 1104941400 Emily Smith Family Medicine Physician · Okemos, MI NPI 1043655012
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-01-21.