JEFFERSON COUNTY
NPI 1235253907
Public Health or Welfare in Mount Vernon, IL

Q: What is Jefferson County's NPI number?

The NPI number for Jefferson County is 1235253907. It was assigned to this organization in the NPPES registry on March 19, 2007.

Q: What is Jefferson County's specialty?

The primary specialty registered for this NPI is Public Health or Welfare with taxonomy code 251K00000X.

Q: When was this NPI record last updated?

The NPPES record for Jefferson County was last updated on October 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since March 19, 2007CLIA 14D0876269 · Waiver

4102 S WATER TOWER PL, MOUNT VERNON, IL 62864(618) 244-7134(618) 244-2640 Get Directions Write a Review

NPPES record last updated: October 30, 2024. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Apr 11, 2024, Jul 21, 2022 (2 updates tracked since 2022).

On this page

About Jefferson County NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JEFFERSON COUNTY (NPI 1235253907) is a healthcare organization registered as a public health or welfare in Mount Vernon, Illinois and active in the NPI registry since March 2007. The organization holds a CLIA Waiver certificate valid through June 25, 2027 and lists Jessica Mcdermott, Assistant Administrator, as its authorized official.

NPPES Registry Identity

NPI1235253907

Entity TypeOrganization

Primary Taxonomy251K00000X

Legal Business NameJEFFERSON COUNTY

Location Address4102 S WATER TOWER PLMount Vernon, IL 62864-6544

Mailing Address4102 S Water Tower PlMount Vernon, IL 62864-6544 · (618) 244-7134 · Fax (618) 244-2640

Phone(618) 244-7134

Fax(618) 244-2640

Organization SubpartNo

Authorized OfficialJessica McdermottAssistant Administrator · (618) 244-7134

Enumeration DateMarch 19, 2007

Last NPPES UpdateOctober 30, 20242 updates tracked since enumeration

NPPES CertifiedOctober 30, 2024

✔ NPI 1235253907 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPublic Health or WelfareAgencies

Taxonomy Code251K00000X

4102 S WATER TOWER PL, Mount Vernon, IL 62864

Open in Google Maps ↗

Other Names 1

Other NameJefferson County

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 14D0876269

Jefferson County Health Dept · Mount Vernon, IL

Active · expires Jun 25, 2027

CLIA Number14D0876269

Laboratory TypeLocal Health Dept

Certificate Effective DateJune 26, 2025

Certificate Expiration DateJune 25, 2027

Laboratory DirectorAmy Harrison

Laboratory Phone(618) 244-7134

Laboratory LocationJefferson County Health Dept4102 S Water Tower Place, Mount Vernon, IL 62864

CLIA data matches this NPI record on: Address Name Phone

This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jefferson County's NPI number?

The NPI number for Jefferson County is 1235253907. It was assigned to this organization in the NPPES registry on March 19, 2007.

Where is Jefferson County located?

Jefferson County is located at 4102 S Water Tower Pl, Mount Vernon, IL 62864. The listed phone number is (618) 244-7134.

What is Jefferson County's specialty?

The primary specialty registered for this NPI is Public Health or Welfare with taxonomy code 251K00000X.

Does Jefferson County hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 14D0876269) is associated with this NPI, valid through June 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Jefferson County was last updated on October 30, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.