Dr. Michael Jerome Ryan, DDS
Dr. Michael Jerome Ryan is a Dentist provider (Dentist) practicing in Tinley Park, IL, registered in the NPPES registry with NPI 1861500621 since 2006. The credential DDS stands for Doctor of Dental Surgery.
✓ Active NPI ✓ Valid NPI checksum
| NPI | 1861500621 |
|---|---|
| Entity type | Individual (Type 1) |
| Name | Dr. Michael Jerome Ryan |
| Credential | DDS |
| Sex | Male |
| Practice address | 17027 SO HARLEM AVE, Tinley Park, IL, 60477 |
| Phone | 7084297878 |
| Fax | 7084297173 |
| Enumeration date | 2006-08-29 |
| Last updated in NPPES | 2026-06-07 |
Taxonomy & licenses
| Taxonomy code | Specialty | Primary | License | State |
|---|---|---|---|---|
| 122300000X | Dentist | Primary | — | IL |
DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential
Copy-ready billing details
Provider: Michael Ryan, DDS NPI: 1861500621 Taxonomy: 122300000X (Dentist) Address: 17027 SO HARLEM AVE, Tinley Park, IL, 60477
Verify this record
Cross-check NPI 1861500621 against the authoritative CMS record: view Dr. Michael Jerome Ryan on the official NPPES registry .
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. Read the full guide or validate an NPI number.
Frequently asked questions
Where does Michael Ryan practice?
What is the NPI number for Michael Ryan?
Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2026-06-07.