MRS. LINDSEY MARIE ADAMS GREENWALT M.S.W. L.C.S.W.
NPI 1164753281
Social Worker - Clinical in Mount Vernon, IL
About Mrs. Lindsey Marie Adams Greenwalt M.s.w. L.c.s.w. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. LINDSEY MARIE ADAMS GREENWALT M.S.W. L.C.S.W. (NPI 1164753281) is an individual clinical provider in Mount Vernon, Illinois, licensed in Illinois (14.9013761) and active in the NPI registry since January 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
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
Mrs. Lindsey Marie Adams Greenwalt M.s.w. L.c.s.w. 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 Reassignment
Medicare enrollment records show Lindsey Adams Greenwalt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mount Vernon, IL 62864
- 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 62864 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MOUNT VERNON, IL 62864
MOUNT VERNON, IL 62864
MOUNT VERNON, IL 62864
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 Lindsey Adams Greenwalt's NPI number?
The NPI number for Lindsey Adams Greenwalt is 1164753281. It was assigned to this individual provider in the NPPES registry on January 29, 2010.
Where is Lindsey Adams Greenwalt located?
Lindsey Adams Greenwalt practices at 3600 S Water Tower Pl, Mount Vernon, IL 62864. The listed phone number is (618) 244-0212.
What is Lindsey Adams Greenwalt's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Lindsey Adams Greenwalt enrolled in Medicare?
Yes. Lindsey Adams Greenwalt 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 Lindsey Adams Greenwalt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lindsey Adams Greenwalt reassigns Medicare benefits to Cornerstone Family Counseling, LLC (Mount 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 Lindsey Adams Greenwalt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lindsey Adams Greenwalt accept?
Health plans from Ambetter Health and Ambetter Health of Delaware list Lindsey Adams Greenwalt 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 Lindsey Adams Greenwalt was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.
# Mrs. Lindsey Marie Adams Greenwalt, M.S.W. L.C.S.W. · NPI 1164753281
Clinical provider in Mount Vernon, Illinois. Individual provider, active in the CMS NPPES registry since January 29, 2010.
## Identity
- **NPI:** 1164753281 (Entity type: Individual)
- **Enumerated:** January 29, 2010
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 14.9013761 (Illinois)
- **Sole proprietor:** No
## Practice location
- **Address:** 3600 S WATER TOWER PL, Mount Vernon, IL 62864-6589
- **Phone:** (618) 244-0212 · **Fax:** (618) 244-0535
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Cornerstone Family Counseling, LLC (NPI 1902156433, Mount Vernon, IL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** September 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1164753281) · Data from the CMS NPPES public registry.