LONNA L WILLIAMS APRN
NPI 1851390918
Nurse Practitioner - Adult Health in Indianapolis, IN
About Lonna L Williams Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LONNA L WILLIAMS APRN (NPI 1851390918) is an individual adult health provider in Indianapolis, Indiana, licensed in Indiana (71001597A) and active in the NPI registry since July 2005. She is enrolled in Medicare PECOS, is affiliated with Major Hospital, and maintains a secondary practice location in Jupiter.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 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
Lonna L Williams Aprn 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 Lonna Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46237
- Reassigned Medicare billing, Indiana enrollment
- 1,396 clinicians in this Medicare group
West Palm Beach, FL 33401
- Reassigned Medicare billing, Florida enrollment
- 528 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 6
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Major Hospital
Acute Care Hospitals · Shelbyville, INFranciscan Health Indianapolis
Acute Care Hospitals · Indianapolis, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46237 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.
INDIANAPOLIS, IN 46237
INDIANAPOLIS, IN 46237
INDIANAPOLIS, IN 46237
INDIANAPOLIS, IN 46237
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 Lonna Williams's NPI number?
The NPI number for Lonna Williams is 1851390918. It was assigned to this individual provider in the NPPES registry on July 20, 2005. The provider is also known as Lonna L Weaver Np.
Where is Lonna Williams located?
Lonna Williams practices at 5330 E Stop 11 Rd, Indianapolis, IN 46237. The listed phone number is (317) 893-1900.
What is Lonna Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Lonna Williams enrolled in Medicare?
Yes. Lonna Williams 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 Lonna Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lonna Williams reassigns Medicare benefits to 2 organizations: Franciscan Physician Network (Indianapolis, IN) and Tenet Florida Physician Services LLC (West Palm Beach, FL). 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 Lonna Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Lonna Williams accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter of Alabama and CareSource list Lonna Williams 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.
Is Lonna Williams affiliated with any hospitals?
According to CMS data, Lonna Williams is affiliated with Major Hospital and Franciscan Health Indianapolis.
When was this NPI record last updated?
The NPPES record for Lonna Williams was last updated on February 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Lonna L Williams, APRN · NPI 1851390918
Adult Health physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since July 20, 2005.
## Identity
- **NPI:** 1851390918 (Entity type: Individual)
- **Enumerated:** July 20, 2005
- **Primary specialty:** Nurse Practitioner - Adult Health · taxonomy 363LA2200X
- **State license:** 71001597A (Indiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5330 E STOP 11 RD, Indianapolis, IN 46237-6345
- **Phone:** (317) 893-1900 · **Fax:** (317) 893-1901
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Franciscan Physician Network (NPI 1225327984, Indianapolis, IN); Tenet Florida Physician Services LLC (NPI 1659417467, West Palm Beach, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** February 28, 2023
- **Other identifiers:** Other IR475Z (FL); Other P01134429 (IN); Other P01214620 (IN); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1851390918) · Data from the CMS NPPES public registry.