Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Heather M Johnston, APN
Nurse Practitioner in Ottawa, IL · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1609227081
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Registry record
Entity type Individual (Type 1)
Name Heather M Johnston
Credential APN
Sex Female
Practice address 1614 E Norris Dr, Ottawa, IL, 61350
Phone (815) 433-1010
Fax (815) 433-0067
Enumeration date Jun 27, 2016
Last updated in NPPES Jun 27, 2016
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 209-014374 (IL) 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
Where does Heather Johnston practice?
The practice location on file with NPPES is in Ottawa, IL. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Heather Johnston?
The National Provider Identifier (NPI) for Heather Johnston is 1609227081, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Gueorgui Gueorguiev Family Medicine Physician · Ottawa, IL NPI 1356336952 Raul Guerrero Internal Medicine Physician · Ottawa, IL NPI 1053307660 Adriana Dumitrescu Family Medicine Physician · Ottawa, IL NPI 1376591933 Jasmine Bhurgri Family Medicine Physician · Ottawa, IL NPI 1821046186 David Manigold Internal Medicine Physician · Ottawa, IL NPI 1346299641 Brian Rosborough Family Medicine Physician · Ottawa, IL NPI 1881643948 Cynthia Cabalfin Internal Medicine Physician · Ottawa, IL NPI 1497708382 Ottawa Medical Center, PC Multi-Specialty Clinic/Center · Ottawa, IL NPI 1184649410
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-06-27.