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CARLOTTA WILLIAMS FNP-BC
NPI 1497352090
Nurse Practitioner - Family in Oconomowoc, WI

Active since October 06, 2020PECOS Enrolled
1205 JUNIPER LN, OCONOMOWOC, WI 53066(301) 395-5739 Get Directions Write a Review

NPPES record last updated: October 6, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Carlotta Williams Fnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CARLOTTA WILLIAMS FNP-BC (NPI 1497352090) is an individual family provider in Oconomowoc, Wisconsin, licensed in Wisconsin (2020013615) and active in the NPI registry since October 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1497352090
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCARLOTTA WILLIAMSCredential: FNP-BC
Location Address1205 JUNIPER LNOconomowoc, WI 53066-3100
Mailing Address1205 Juniper LnOconomowoc, WI 53066-3100
Phone(301) 395-5739
Sole ProprietorNo
Enumeration DateOctober 6, 2020
NPPES CertifiedOctober 6, 2020
✔ NPI 1497352090 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 WI · 2020013615
1205 JUNIPER LN, Oconomowoc, WI 53066
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource (Common Ground Healthcare).Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Carlotta Williams Fnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Carlotta Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Signify Health, LLC
845 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Arizona enrollment
  • 556 clinicians in this Medicare group
NPI 1689158487 (469) 466-7007
Signify Health Medical Associates, PLLC
845 mi
General Practice
4055 VALLEY VIEW LN STE 700
Dallas, TX 75244
  • Reassigned Medicare billing, Texas and Wisconsin enrollments
  • 1,246 clinicians in this Medicare group
NPI 1750845863 (972) 715-3800

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 53066 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
$82.92 typical visit price
range $53.90 – $163.24
Typical copayment $20.73 (range $13.47 – $40.81)
Most-billed visit code 99203
Established Patient
$95.41 typical visit price
range $17.40 – $133.76
Typical copayment $23.85 (range $4.35 – $33.44)
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.

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 Carlotta Williams's NPI number?

The NPI number for Carlotta Williams is 1497352090. It was assigned to this individual provider in the NPPES registry on October 6, 2020.

Where is Carlotta Williams located?

Carlotta Williams practices at 1205 Juniper Ln, Oconomowoc, WI 53066. The listed phone number is (301) 395-5739.

What is Carlotta Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Carlotta Williams enrolled in Medicare?

Yes. Carlotta Williams is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Carlotta Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Carlotta Williams reassigns Medicare benefits to 2 organizations: Signify Health, LLC (Dallas, TX) and Signify Health Medical Associates, PLLC (Dallas, TX). 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 Carlotta Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Carlotta Williams accept?

Health plans from CareSource (Common Ground Healthcare) list Carlotta 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 Carlotta Williams was last updated on October 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.