NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. John Mantinaos, DMD

Dentist in Quincy, IL · enumerated 2008 · practices at Shamim Amin Dental Pllc.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1639328677

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dr. John Mantinaos
Credential DMD
Sex Male
Practice address 5203 Broadway St, Quincy, IL, 62305
Phone (217) 577-2400
Fax (217) 228-1032
Enumeration date Sep 15, 2008
Last updated in NPPES Oct 23, 2014

Taxonomy & licenses

122300000X Dentist Dental Providers · License 048817-1 (NY) Secondary
122300000X Dentist Dental Providers · License 12011569A (IN) Secondary
122300000X Dentist Dental Providers · License 019028483 (IL) Primary
122300000X Dentist Dental Providers · License 22DI02373800 (NJ) Secondary
122300000X Dentist Dental Providers · License DS036424 (PA) Secondary
122300000X Dentist Dental Providers · License DN20160 (MA) Secondary
DMD · Doctor of Medicine in Dentistry: A licensed dentist; DMD and DDS are equivalent dental degrees. About the DMD 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is John Mantinaos?
John Mantinaos is registered in NPPES with the primary taxonomy of Dentist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2014-10-23.