Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Theodore Craig Brock, APN-BC
Nurse Practitioner in Geneva, IL · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1386070480
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Registry record
Entity type Individual (Type 1)
Name Mr. Theodore Craig Brock
Credential APN-BC
Sex Male
Practice address 304 Randall Rd, Geneva, IL, 60134
Phone (630) 232-0610
Fax (630) 232-0675
Enumeration date Sep 20, 2013
Last updated in NPPES May 2, 2024
Taxonomy & licenses
363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209010570 (IL) Secondary
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209010570 (IL) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 041303225 | Other | IL | MEDICAID |
| CA4748 | Other | IL | MEDICARE RAILROAD (GROUP) |
| P01349683 | Other | IL | MEDICARE RAILROAD (INDIVIDUAL) |
| 206147 | Other | IL | MEDICARE PTAN (GROUP) |
| F400112507 | Other | IL | MEDICARE PTAN (INDIVIDUAL) |
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 Theodore Brock?
The National Provider Identifier (NPI) for Theodore Brock is 1386070480, a Type 1 (individual) record in the CMS NPPES registry.
Where does Theodore Brock practice?
The practice location on file with NPPES is in Geneva, IL. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Rodney Nelson Hematology & Oncology Physician · Geneva, IL NPI 1831183342 Michael Stutz Radiation Oncology Physician · Geneva, IL NPI 1649261603 Neelima Kabre Radiation Oncology Physician · Geneva, IL NPI 1023096294 Louann Shea Nurse Practitioner · Geneva, IL NPI 1972728665 Habib Shaikh Hematology & Oncology Physician · Geneva, IL NPI 1861658288 Arlene D'Souza Hematology & Oncology Physician · Geneva, IL NPI 1881828275 Katherine Hansen Surgical Oncology Physician · Geneva, IL NPI 1235360553 Anna Osmun Physician Assistant · Geneva, IL NPI 1154656858
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-05-02.