DR. JUANA MARIA AMBRIZ DE WILLIAMS DNP, FNP-BC
NPI 1083081129
Nurse Practitioner - Family in Chesterton, IN

Active since August 24, 2015PECOS EnrolledAccepts Medicare Assignment
505 E 1100 N, CHESTERTON, IN 46304(219) 926-1420 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 11, 2026, Jul 21, 2022, Aug 28, 2017 (3 updates tracked since 2017).

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

NPI1083081129
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDR. JUANA MARIA AMBRIZ DE WILLIAMSCredential: DNP, FNP-BC
Location Address505 E 1100 NChesterton, IN 46304-9697
Mailing Address2052 Blarney Stone DriveValparaiso, IN 46385 · (877) 880-7993 · Fax (877) 880-7993
Sole ProprietorNo
Medical School CMSOtherGraduated 2015
Enumeration DateAugust 24, 2015
Last NPPES UpdateMarch 11, 20263 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
NPI 1083081129 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in IN · 28171474A
505 E 1100 N, Chesterton, IN 46304

Secondary Practice Location 1

Location 1954 Eastport Centre DrValparaiso, IN 46383-4457 · Phone (219) 841-6516 · Fax (877) 880-7993

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID446568265
PECOS Enrollment IDI20150929000154
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient
$82.04 typical visit price
range $53.07 – $161.76
Typical copayment $20.51 (range $13.26 – $40.44)
Most-billed visit code 99203
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Registered Nurse
505 E 1100 N
CHESTERTON, IN 46304
Nurse Practitioner (Family)
505 E 1100 N
CHESTERTON, IN 46304
Nurse Practitioner (Family)
505 E 1100 N
CHESTERTON, IN 46304
Pharmacist
505 E 1100 N
CHESTERTON, IN 46304
Nurse Practitioner (Family)
505 E 1100 N
CHESTERTON, IN 46304
Nurse Practitioner (Family)
505 E 1100 N
CHESTERTON, IN 46304
Pharmacy
505 E 1100 N
CHESTERTON, IN 46304
Nurse Practitioner (Family)
505 E 1100 N
CHESTERTON, IN 46304

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.

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 5 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.