DR. JEFFREY WILLIAMS DO
NPI 1780661074
Family Medicine in Lafayette, IN
About Dr. Jeffrey Williams Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JEFFREY WILLIAMS DO (NPI 1780661074) is an individual family medicine provider in Lafayette, Indiana, licensed in Indiana (02002139A) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and maintains a secondary practice location in Lafayette.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 10
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
Dr. Jeffrey Williams Do 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
4Medicare enrollment records show Jeffrey Williams reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lafayette, IN 47904
- Reassigned Medicare billing, Indiana enrollment
- 671 clinicians in this Medicare group
Brownsburg, IN 46112
- Reassigned Medicare billing, Indiana enrollment
- 146 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 737 clinicians in this Medicare group
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 5,212 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 7
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Indiana University Health
Acute Care Hospitals · Indianapolis, INFranciscan Health Lafayette
Acute Care Hospitals · Lafayette, INIndiana University Health Arnett Hospital
Acute Care Hospitals · Lafayette, INIndiana University Health White Memorial Hospital
Critical Access Hospitals · Monticello, INIndiana University Health Frankfort Inc
Critical Access Hospitals · Frankfort, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 47904 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 16
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
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 Jeffrey Williams's NPI number?
The NPI number for Jeffrey Williams is 1780661074. It was assigned to this individual provider in the NPPES registry on December 28, 2005.
Where is Jeffrey Williams located?
Jeffrey Williams practices at 1500 Salem St, Lafayette, IN 47904. The listed phone number is (765) 448-8000.
What is Jeffrey Williams's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Jeffrey Williams enrolled in Medicare?
Yes. Jeffrey 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 Jeffrey Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Williams reassigns Medicare benefits to 4 organizations: Arnett Clinic, LLC (Lafayette, IN), Indiana University Health Urgent Care Centers, LLC (Brownsburg, IN), University Family Physicians, Inc. (Indianapolis, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). 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 Jeffrey Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jeffrey Williams accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Jeffrey 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 Jeffrey Williams affiliated with any hospitals?
According to CMS data, Jeffrey Williams is affiliated with Indiana University Health, Franciscan Health Lafayette, Indiana University Health Arnett Hospital, Indiana University Health White Memorial Hospital and Indiana University Health Frankfort Inc.
When was this NPI record last updated?
The NPPES record for Jeffrey Williams was last updated on June 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Jeffrey Williams, DO · NPI 1780661074
Family Medicine physician in Lafayette, Indiana. Individual provider, active in the CMS NPPES registry since December 28, 2005.
## Identity
- **NPI:** 1780661074 (Entity type: Individual)
- **Enumerated:** December 28, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 02002139A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 SALEM ST, Lafayette, IN 47904-2164
- **Phone:** (765) 448-8000
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Arnett Clinic, LLC (NPI 1881655090, Lafayette, IN); Indiana University Health Urgent Care Centers, LLC (NPI 1114302965, Brownsburg, IN); University Family Physicians, Inc. (NPI 1043275787, Indianapolis, IN); Iu Health Medical Group, LLC (NPI 1326893777, Indianapolis, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** June 3, 2026
- **Other identifiers:** Medicaid 201219650 (IN); Other CA1586; Other 0989499 (OH); and 7 more
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Source: [NPI Profile](https://npiprofile.com/npi/1780661074) · Data from the CMS NPPES public registry.