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LARRY W KNOPP MA LCPC
NPI 1679595458
Counselor in Mt Vernon, IL

Active since July 24, 2006PECOS EnrolledAccepts Medicare Assignment
16342 N IL HWY 37, MT VERNON, IL 62864(618) 242-1510(618) 242-0958 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Larry W Knopp Ma Lcpc NPPES

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

LARRY W KNOPP MA LCPC (NPI 1679595458) is an individual counselor in Mt Vernon, Illinois and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS and is a graduate of Other (2000).

NPPES Registry Identity

NPI1679595458
Entity TypeIndividualMale
Primary Taxonomy101Y00000X
Provider Legal NameLARRY W KNOPPCredential: MA LCPC
Location Address16342 N IL HWY 37Mt Vernon, IL 62864
Mailing AddressPo Box 428Mt Vernon, IL 62864 · (618) 242-1510 · Fax (618) 242-0958
Phone(618) 242-1510
Fax(618) 242-0958
Sole ProprietorNo
Medical School CMSOtherGraduated 2000
Enumeration DateJuly 24, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1679595458 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
16342 N IL HWY 37, Mt Vernon, IL 62864
Open in Google Maps ↗

Other Identifiers 2

Other295215Healthlink
Other0004115177IL · Bcbs

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Larry W Knopp Ma Lcpc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID840723862
PECOS Enrollment IDI20241030000555
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Larry Knopp reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Jefferson County Comprehensive
Same address
Mental Health (Including Community Mental Health Center)
16342 N IL HWY 37
Mt Vernon, IL 62864
  • Reassigned Medicare billing, Illinois enrollment
  • 3 clinicians in this Medicare group
NPI 1972533990 (618) 242-1510

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

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ANDREA HILLS L.P.N.
Licensed Practical Nurse
16342 N IL HWY 37
MOUNT VERNON, IL 62864
Jefferson County (618) 242-1510
RHIAN BOLING LPN
Licensed Practical Nurse
16342 N IL HWY 37
MT. VERNON, IL 62864
Jefferson County (618) 242-1510
MIKE LEHKER
Counselor (Mental Health)
16342 N IL HWY 37
MOUNT VERNON, IL 62864
Jefferson County (618) 242-1510
MARY CHRISTINA REDDEN MA, QMHP
Counselor (Mental Health)
16342 N IL HWY 37
MT. VERNON, IL 62864
Jefferson County (618) 242-1510
EMILY FERRARIO
Counselor (Mental Health)
16342 N IL HWY 37
MOUNT, IL 62864
Jefferson County (618) 242-1510
JAMES KELLERMAN M.H.P.
Counselor (Mental Health)
16342 N IL HWY 37
MT VERNON, IL 62864
Jefferson County (618) 242-1510
TERESA L MENDENHALL RN
Registered Nurse
16342 N IL HWY 37
MOUNT VERNON, IL 62864
Jefferson County (618) 242-1510
ERIN WENZEL LPN
Licensed Practical Nurse
16342 N IL HWY 37
MT VERNON, IL 62864
Jefferson County (618) 242-1511

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 Larry Knopp's NPI number?

The NPI number for Larry Knopp is 1679595458. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Larry Knopp located?

Larry Knopp practices at 16342 N Il Hwy 37, Mt Vernon, IL 62864. The listed phone number is (618) 242-1510.

What is Larry Knopp's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is Larry Knopp enrolled in Medicare?

Yes. Larry Knopp is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Larry Knopp's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Larry Knopp reassigns Medicare benefits to Jefferson County Comprehensive (Mt Vernon, IL). The 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 Larry Knopp's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Larry Knopp was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.