Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ernesto Tan, MD
Urology Physician in Lockport, IL · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1699882084
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Registry record
Entity type Individual (Type 1)
Name Ernesto Tan
Credential MD
Sex Male
Practice address 300 Read St Ste A, Lockport, IL, 60441
Phone (815) 741-1020
Fax (815) 741-1064
Enumeration date Aug 23, 2006
Last updated in NPPES Aug 30, 2023
Taxonomy & licenses
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure.
About the MD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| IL3265 | Other | - | GROUP MEDICARE PTAN |
| 1467471540 | Other | - | GROUP NPI |
| DF2482 | Other | - | RR PTAM |
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 Ernesto Tan?
The National Provider Identifier (NPI) for Ernesto Tan is 1699882084, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ernesto Tan practice?
The practice location on file with NPPES is in Lockport, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Emily M. Mckenna, LLC Professional Counselor · Lockport, IL NPI 1205585221 The Practice Counseling & Wellness Professional Counselor · Lockport, IL NPI 1770227050 Phoenix Rising Transformational Wellness Pllc Physical Therapy Clinic/Center · Lockport, IL NPI 1265164115 Nina Trlak Professional Counselor · Lockport, IL NPI 1992411086 Kristen Dickinson Social Worker · Lockport, IL NPI 1871273912
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-08-30.