CHARISSA K WILLIAMS APNP
NPI 1700426079
Nurse Practitioner - Family in Appleton, WI

Active since January 14, 2020PECOS EnrolledAccepts Medicare Assignment
2500 E CAPITOL DRIVE, APPLETON, WI 54911(920) 364-3600(920) 364-3900 Get Directions Write a Review

NPPES record last updated: January 31, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 31, 2020, Jan 14, 2020 (2 updates tracked since 2020).

About Charissa K Williams Apnp NPPES

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

CHARISSA K WILLIAMS APNP (NPI 1700426079) is an individual family provider in Appleton, Wisconsin, licensed in Wisconsin (9855) and active in the NPI registry since January 2020. She is enrolled in Medicare PECOS, is affiliated with Thedacare Regional Med Ctr - Neenah, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1700426079
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameCHARISSA K WILLIAMSCredential: APNP
Location Address2500 E CAPITOL DRIVEAppleton, WI 54911-8735
Mailing Address122 E College AveAppleton, WI 54911-5741 · (920) 996-3264 · Fax (920) 830-5910
Fax(920) 364-3900
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateJanuary 14, 2020
Last NPPES UpdateJanuary 31, 20202 updates tracked since enumeration
NPI 1700426079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in WI · 9855
Also ListedRegistered NurseTaxonomy 163W00000X · License 197423 (WI)
2500 E CAPITOL DRIVE, Appleton, WI 54911

Accepted Insurance

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

Charissa K Williams Apnp 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 ID1850727884
PECOS Enrollment IDI20200211000076
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.

Areas of Expertise CMS Part B claims 2

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
99 services64 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
85 services59 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Thedacare Regional Med Ctr - Neenah

Acute Care Hospitals · Neenah, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520045
Location130 2nd StNeenah, WI 54956 · Winnebago County
Emergency services Birthing friendly

Thedacare Regional Medical Center - Appleton Inc

Acute Care Hospitals · Appleton, WI
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520160
Location1818 N Meade StAppleton, WI 54911 · Outagamie County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54911 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.

Other Providers at the Same Location NPPES

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

Internal Medicine (Critical Care Medicine)
2500 E CAPITOL DRIVE, SUITE 1700
APPLETON, WI 54911

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 Charissa Williams's NPI number?

The NPI number for Charissa Williams is 1700426079. It was assigned to this individual provider in the NPPES registry on January 14, 2020.

Where is Charissa Williams located?

Charissa Williams practices at 2500 E Capitol Drive, Appleton, WI 54911. The listed phone number is (920) 364-3600.

What is Charissa Williams's specialty?

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

Is Charissa Williams enrolled in Medicare?

Yes. Charissa 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.

What insurance does Charissa Williams accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Charissa 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 Charissa Williams affiliated with any hospitals?

According to CMS data, Charissa Williams is affiliated with Thedacare Regional Med Ctr - Neenah and Thedacare Regional Medical Center - Appleton Inc.

When was this NPI record last updated?

The NPPES record for Charissa Williams was last updated on January 31, 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.