COUNTY OF LAKE
NPI 1619416401
Clinic/Center - Rehabilitation, Substance Use Disorder in Round Lake Park, IL

Active since February 14, 2017
423 E WASHINGTON ST, ROUND LAKE PARK, IL 60073(847) 377-8000 Get Directions Write a Review

NPPES record last updated: August 31, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 31, 2026, Sep 10, 2024, Feb 14, 2017 (3 updates tracked since 2017).

About County Of Lake NPPES

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

COUNTY OF LAKE (NPI 1619416401), doing business as Lake County Health Department And Community Health Center, is a healthcare organization registered as a rehabilitation, substance use disorder in Round Lake Park, Illinois and active in the NPI registry since February 2017. The organization lists Sam Johnson, Deputy Executive Director, as its authorized official.

NPPES Registry Identity

NPI1619416401
Entity TypeOrganization
Primary Taxonomy261QR0405X
Legal Business NameCOUNTY OF LAKE
Location Address423 E WASHINGTON STRound Lake Park, IL 60073-3018
Mailing Address3010 Grand AveWaukegan, IL 60085-2321
Organization SubpartNo
Authorized OfficialSam JohnsonDeputy Executive Director · (847) 377-8000
Enumeration DateFebruary 14, 2017
Last NPPES UpdateAugust 31, 20263 updates tracked since enumeration
NPPES CertifiedAugust 31, 2026
✔ NPI 1619416401 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Rehabilitation, Substance Use DisorderAmbulatory Health Care Facilities
Taxonomy Code261QR0405X
Also ListedCommunity/Behavioral HealthTaxonomy 251S00000X
423 E WASHINGTON ST, Round Lake Park, IL 60073

Other Names 1

Doing Business AsLake County Health Department And Community Health Center

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

County Of Lake is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

151

Medicare enrollment records show 151 clinicians reassign Medicare billing to County Of Lake, which bills Medicare for the services they deliver. Of these, 11 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 18

Nurse Practitioner46
Mental Health Counselor17
Clinical Social Worker16
Psychiatry16
Family Practice12
Pediatric Medicine12
Oral Surgery8
Internal Medicine5
10 other specialties19

Nearest to this location (20)

See all 151
Nurse Practitioner
NPI 1114720141
224 W CLARENDON DR
Round Lake Beach, IL 60073
(847) 377-8800
✔ PECOS✔ Accepts Medicare3.5 mi
Mental Health Counselor
NPI 1255980991
31979 N FISH LAKE RD
Round Lake, IL 60073
(847) 546-6450
✔ PECOS✔ Accepts Medicare4.1 mi
Nurse Practitioner
NPI 1629614631
224 W CLARENDON DR
Round Lake Beach, IL 60073
(224) 875-0013
✔ PECOS✔ Accepts Medicare4.1 mi
Nurse Practitioner
NPI 1972975639
224 W CLARENDON DR
Round Lake Beach, IL 60073
(847) 377-8800
✔ PECOS✔ Accepts Medicare4.1 mi
Nurse Practitioner
NPI 1750827838
224 W CLARENDON DR
Round Lake Beach, IL 60073
(847) 377-8269
✔ PECOS✔ Accepts Medicare4.1 mi
Clinical Social Worker
NPI 1902672405
600 W GRAND AVE
Lake Villa, IL 60046
(847) 627-1181
✔ PECOS4.8 mi
Mental Health Counselor
NPI 1497474001
763 S ALDRIDGE LN
Round Lake, IL 60073
(224) 908-4199
✔ PECOS✔ Accepts Medicare5.1 mi
Nurse Practitioner
NPI 1881242725
2440 HIGHVIEW ST
Spring Grove, IL 60081
(815) 900-7330
✔ PECOS✔ Accepts Medicare5.9 mi
Pediatric Medicine
NPI 1881856821
1170 E BELVIDERE RD SUITE 106
Grayslake, IL 60030
(847) 548-7337
✔ PECOS7.8 mi
Mental Health Counselor
NPI 1922788454
37165 N GRANDWOOD DRIVE
Gurnee, IL 60031
(224) 538-1819
✔ PECOS✔ Accepts Medicare8.3 mi
Nurse Practitioner
NPI 1760918403
18698 W PETERSON RD
Libertyville, IL 60048
(847) 377-8855
✔ PECOS✔ Accepts Medicare9.8 mi
Dentist
NPI 1417519638
6300 GRAND AVE
Gurnee, IL 60031
(224) 214-4902
✔ PECOS10 mi
Pediatric Medicine
NPI 1851384200
550 N MIDLOTHIAN RD # 400
Mundelein, IL 60060
(847) 837-1923
✔ PECOS10 mi
Nurse Practitioner
NPI 1780063917
1800 NATIONS DR STE 115
Gurnee, IL 60031
(847) 868-3003
✔ PECOS✔ Accepts Medicare11 mi
Mental Health Counselor
NPI 1164994562
1641 N MILWAUKEE AVE STE 7
Libertyville, IL 60048
(847) 362-6919
✔ PECOS✔ Accepts Medicare12 mi
Oral Surgery
NPI 1346395118
27620 75TH ST SUITE 3
Salem, WI 53168
(262) 843-1808
✔ PECOS13 mi
Obstetrics/Gynecology
NPI 1710914189
3 S GREENLEAF ST STE A
Gurnee, IL 60031
(847) 244-0222
✔ PECOS✔ Accepts Medicare13 mi
Psychiatry
NPI 1205496197
175 E HAWTHORN PKWY STE 235
Vernon Hills, IL 60061
(847) 865-4125
✔ PECOS✔ Accepts Medicare14 mi
Family Practice
NPI 1346449527
3210 GRAND AVE
Waukegan, IL 60085
(847) 220-4103
✔ PECOS✔ Accepts Medicare14 mi
Clinical Social Worker
NPI 1669730198
3004 GRAND AVE
Waukegan, IL 60085
(847) 377-8120
✔ PECOS14 mi
See all 151 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 County Of Lake's NPI number?

The NPI number for County Of Lake is 1619416401. It was assigned to this organization in the NPPES registry on February 14, 2017. The provider is doing business as Lake County Health Department and Community Health Center.

Where is County Of Lake located?

County Of Lake is located at 423 E Washington St, Round Lake Park, IL 60073. The listed phone number is (847) 377-8000.

What is County Of Lake's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Rehabilitation, Substance Use Disorder, with taxonomy code 261QR0405X.

Is County Of Lake enrolled in Medicare?

Yes. County Of Lake is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through County Of Lake?

According to the CMS Revalidation Reassignment List (October 2026 release), 151 clinicians in 18 Medicare specialties reassign their Medicare billing to County Of Lake. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (46), Mental Health Counselor (17) and Clinical Social Worker (16). Of these, 11 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does County Of Lake accept?

Health plans from Ambetter Health and Ambetter Health of Delaware list County Of Lake as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for County Of Lake was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 60 days 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.