DR. JOHN PHILLIP TERLEP D.C.
NPI 1881917623
Chiropractor in Crystal Lake, IL
About Dr. John Phillip Terlep D.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN PHILLIP TERLEP D.C. (NPI 1881917623) is an individual chiropractor in Crystal Lake, Illinois, licensed in Illinois (038-007300) and active in the NPI registry since March 2010. He is a graduate of National College Of Chiropractic (1993).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. John Phillip Terlep D.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show John Terlep reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Crystal Lake, IL 60012
- Reassigned Medicare billing, Illinois enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Other Providers at the Same Location NPPES 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CRYSTAL LAKE, IL 60012
CRYSTAL LAKE, IL 60012
CRYSTAL LAKE, IL 60012
CRYSTAL LAKE, IL 60012
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 John Terlep's NPI number?
The NPI number for John Terlep is 1881917623. It was assigned to this individual provider in the NPPES registry on March 8, 2010.
Where is John Terlep located?
John Terlep practices at 8600 Us Highway 14 Suite 140, Crystal Lake, IL 60012. The listed phone number is (815) 922-2654.
What is John Terlep's specialty?
The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.
Is John Terlep enrolled in Medicare?
Yes. John Terlep is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for John Terlep's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Terlep reassigns Medicare benefits to Terlep Chiropractic Center, S.C. (Crystal Lake, 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 John Terlep'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 John Terlep was last updated on March 8, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Dr. John Phillip Terlep, D.C. · NPI 1881917623
Chiropractor provider in Crystal Lake, Illinois. Individual provider, active in the CMS NPPES registry since March 8, 2010.
## Identity
- **NPI:** 1881917623 (Entity type: Individual)
- **Enumerated:** March 8, 2010
- **Primary specialty:** Chiropractor · taxonomy 111N00000X
- **State license:** 038-007300 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 8600 US HIGHWAY 14, SUITE 140, Crystal Lake, IL 60012-2706
- **Phone:** (815) 922-2654
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Bills Medicare through:** Terlep Chiropractic Center, S.C. (NPI 1780907527, Crystal Lake, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** National College Of Chiropractic, class of 1993
## Record status
- **NPPES last updated:** March 8, 2010
---
Source: [NPI Profile](https://npiprofile.com/npi/1881917623) · Data from the CMS NPPES public registry.