DR. JUANA MARIA AMBRIZ DE WILLIAMS DNP, FNP-BC
NPI 1083081129
Nurse Practitioner - Family in Chesterton, IN
About Dr. Juana Maria Ambriz De Williams Dnp, Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JUANA MARIA AMBRIZ DE WILLIAMS DNP, FNP-BC (NPI 1083081129) is an individual family provider in Chesterton, Indiana, licensed in Indiana (28171474A) and active in the NPI registry since August 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Valparaiso, and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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. Juana Maria Ambriz De Williams Dnp, Fnp-bc 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 Juana Ambriz De Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valparaiso, IN 46383
- Reassigned Medicare billing, Indiana enrollment
- 183 clinicians in this Medicare group
Zionsville, IN 46077
- Reassigned Medicare billing, Indiana enrollment
- 162 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46304 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 12
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 Juana Ambriz De Williams's NPI number?
The NPI number for Juana Ambriz De Williams is 1083081129. It was assigned to this individual provider in the NPPES registry on August 24, 2015.
Where is Juana Ambriz De Williams located?
Juana Ambriz De Williams practices at 505 E 1100 N, Chesterton, IN 46304. The listed phone number is (219) 926-1420.
What is Juana Ambriz De Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Juana Ambriz De Williams enrolled in Medicare?
Yes. Juana Ambriz De 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 Juana Ambriz De Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Juana Ambriz De Williams reassigns Medicare benefits to 2 organizations: Healthlinc, Inc (Valparaiso, IN) and Minuteclinic Diagnostics Of Indiana, LLC (Zionsville, 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 Juana Ambriz De Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Juana Ambriz De Williams accept?
Health plans from CareSource list Juana Ambriz De 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.
When was this NPI record last updated?
The NPPES record for Juana Ambriz De Williams was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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. Juana Maria Ambriz De Williams, DNP, FNP-BC · NPI 1083081129
Family physician in Chesterton, Indiana. Individual provider, active in the CMS NPPES registry since August 24, 2015.
## Identity
- **NPI:** 1083081129 (Entity type: Individual)
- **Enumerated:** August 24, 2015
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 28171474A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 505 E 1100 N, Chesterton, IN 46304-9697
- **Phone:** (219) 926-1420
## 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): Healthlinc, Inc (NPI 1578293452, Valparaiso, IN); Minuteclinic Diagnostics Of Indiana, LLC (NPI 1932171634, Zionsville, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** March 11, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1083081129) · Data from the CMS NPPES public registry.