Charissa K. Williams, APNP
Family Nurse Practitioner · Appleton, WI
Charissa K. Williams, APNP is a family nurse practitioner with a practice address in Appleton, Wisconsin, and NPI 1700426079, issued on Jan 14, 2020. Check the license (Wisconsin 9855, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Charissa K. Williams
- Credential
- APNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 9855 WI
197423 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2500 E Capitol Drive, Appleton, WI 54911
- Phone
- (920) 364-3600
- Enumerated
- Jan 14, 2020
- Record last updated
- Jan 31, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (920) 364-3900
- Medicare enrollment
- Enrolled (PECOS I20200211000076); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,814 in Wisconsin → Look up another NPI →
Also registered at 2500 E Capitol Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Michael Maguire, M.D.Critical Care Medicine (Internal Medicine) Physician1124186721
Verify Charissa K. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 9855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average family nurse practitioner in 2024
611 Medicare Part D claims for 204 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 44 claims were for opioids.
Most prescribed
- Anastrozole77 claims
- Prochlorperazine Maleate39 claims
- Letrozole33 claims
- Ondansetron Hcl31 claims
- Potassium Chloride26 claims
- Oxycodone Hcl24 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $296.40
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Thedacare, IncorporatedAppleton, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Charissa K. Williams among 2,814 family nurse practitioner records in Wisconsin
Charissa K. Williams, APNP is one of 2,814 family nurse practitioner records with a practice address in Wisconsin. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 59% of them.
- NPI issued2020 · 59% of these records are older, 36% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2019 · median 2019 among the 1,740 with a school on file
- Record last updated2020 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
148 family nurse practitioner records list a practice address in Appleton
They are 148 of the 3,249 NPPES records with a practice address in Appleton, and 2,814 family nurse practitioner records in Wisconsin.
All 2,814 in Wisconsin → Every provider in Appleton → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lynn Dahlke, APNPAppleton, WI 549111235324849
- Jessica GorencAppleton, WI 549111942604897
- Amy Hopfensperger, APNPAppleton, WI 549111932413945
- Jennifer Jackan, APNPAppleton, WI 549111225281264
- Mary Jo Kohler, APNPAppleton, WI 549111992740971
- Marion Moreno, APNPAppleton, WI 549111467882100
- Debra Passehl, APNPAppleton, WI 549111790712867
- Patricia Schroeder, NP-CAppleton, WI 549111629354634
Common questions
What is Charissa K. Williams, APNP's NPI number?
Charissa K. Williams, APNP's National Provider Identifier (NPI) is 1700426079, issued on Jan 14, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Charissa K. Williams, APNP located?
The NPPES record lists a practice address at 2500 E Capitol Drive, Appleton, WI, 54911. Phone: (920) 364-3600. Providers update this record themselves, so call before visiting.
How can I verify Charissa K. Williams, APNP's license?
NPPES lists Wisconsin license number 9855, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Charissa K. Williams, APNP prescribe under Medicare Part D?
In 2024, Charissa K. Williams, APNP had 611 Medicare Part D claims for 204 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.