KASSANDRA ALEXIS WILLIAMS FNP-C
NPI 1114753811
Nurse Practitioner in Denver, CO

Q: What is Kassandra Williams's NPI number?

The NPI number for Kassandra Williams is 1114753811. It was assigned to this individual provider in the NPPES registry on September 10, 2024. The provider is also known as Kassandra Alexis Novakovich Fnp-C.

Q: What is Kassandra Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since September 10, 2024PECOS Enrolled

777 BANNOCK ST, DENVER, CO 80204(303) 436-4949(303) 602-4064 Get Directions Write a Review

NPPES record last updated: February 27, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 26, 2024, Sep 10, 2024 (2 updates tracked since 2024).

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About Kassandra Alexis Williams Fnp-c NPPES

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

KASSANDRA ALEXIS WILLIAMS FNP-C (NPI 1114753811) is an individual nurse practitioner in Denver, Colorado, licensed in Colorado (APN.1000181-NP) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1114753811

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameKASSANDRA ALEXIS WILLIAMSCredential: FNP-C

Location Address777 BANNOCK STDenver, CO 80204-4597

Mailing Address777 Bannock StDenver, CO 80204-4597 · (303) 436-4949 · Fax (303) 602-4064

Phone(303) 436-4949

Fax(303) 602-4064

Sole ProprietorNo

Enumeration DateSeptember 10, 2024

Last NPPES UpdateFebruary 27, 20262 updates tracked since enumeration

NPPES CertifiedFebruary 27, 2026

✔ NPI 1114753811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in CO · APN.1000181-NP

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License APN.1000181-NP (CO)

777 BANNOCK ST, Denver, CO 80204

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Other Names 1

Former Name (1)Kassandra Alexis Novakovich Fnp-c

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kassandra Alexis Williams Fnp-c 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 Reassignment

Medicare enrollment records show Kassandra Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Denver Health And Hospital Authority

Same address

General Practice

777 BANNOCK ST
Denver, CO 80204

Reassigned Medicare billing, Colorado enrollment
2,259 clinicians in this Medicare group

NPI 1477569838 (303) 436-6000

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 80204 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

$89.43 typical visit price

range $58.06 – $174.82

Typical copayment $22.35 (range $14.51 – $43.70)

Most-billed visit code 99203

Established Patient

$102.03 typical visit price

range $18.88 – $142.79

Typical copayment $25.50 (range $4.72 – $35.69)

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 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. KATHERINE JEANNE CARLEY RN, MSN, CS

Clinical Nurse Specialist (Psychiatric/Mental Health)