KRISTIN FELL
NPI 1770930497
Social Worker - Clinical in Crystal Lake, IL
About Kristin Fell NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTIN FELL (NPI 1770930497) is an individual clinical provider in Crystal Lake, Illinois and active in the NPI registry since May 2016. She is enrolled in Medicare PECOS and is a graduate of Other (1994).
NPPES Registry Identity
Specialties & Licenses 5
Accepted Insurance
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
Kristin Fell 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.
Medicare Billing Reassignments
2Medicare enrollment records show Kristin Fell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Crystal Lake, IL 60014
- Reassigned Medicare billing, Illinois enrollment
- 23 clinicians in this Medicare group
Elgin, IL 60123
- Reassigned Medicare billing, Illinois enrollment
- 11 clinicians in this Medicare group
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60014 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
CRYSTAL LAKE, IL 60014
CRYSTAL LAKE, IL 60014
CRYSTAL LAKE, IL 60014
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 Kristin Fell's NPI number?
The NPI number for Kristin Fell is 1770930497. It was assigned to this individual provider in the NPPES registry on May 23, 2016.
Where is Kristin Fell located?
Kristin Fell practices at 145 S Virginia St, Crystal Lake, IL 60014. The listed phone number is (815) 444-9999.
What is Kristin Fell's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Kristin Fell enrolled in Medicare?
Yes. Kristin Fell 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 organizations bill Medicare for Kristin Fell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Fell reassigns Medicare benefits to 2 organizations: Mathers Clinic LLC (Crystal Lake, IL) and Mathers Recovery LLC (Elgin, IL). Each 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 Kristin Fell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kristin Fell accept?
Health plans from Ambetter Health, Oscar Health and UnitedHealthcare list Kristin Fell 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 Kristin Fell was last updated on February 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Kristin Fell · NPI 1770930497
Clinical provider in Crystal Lake, Illinois. Individual provider, active in the CMS NPPES registry since May 23, 2016.
## Identity
- **NPI:** 1770930497 (Entity type: Individual)
- **Enumerated:** May 23, 2016
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 145 S VIRGINIA ST, Crystal Lake, IL 60014-7226
- **Phone:** (815) 444-9999
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Mathers Clinic LLC (NPI 1316237530, Crystal Lake, IL); Mathers Recovery LLC (NPI 1639614175, Elgin, IL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** February 3, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1770930497) · Data from the CMS NPPES public registry.