Kay S. Williams, APNP
Nurse Practitioner · Mankato, MN
Kay S. Williams, APNP is a nurse practitioner with a practice address in Mankato, Minnesota, and NPI 1134765233, issued on Nov 23, 2019. Check the license (Minnesota 7067, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kay S. Williams
- Credential
- APNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 7067 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1025 Marsh St, Mankato, MN 56001
- Phone
- (507) 284-2511
- Enumerated
- Nov 23, 2019
- Record last updated
- Sep 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 2,582 in Minnesota → Look up another NPI →
Also registered at 1025 Marsh St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Kay S. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license 7067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average nurse practitioner in 2024
249 Medicare Part D claims for 87 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Famotidine47 claims
- Omeprazole44 claims
- Pantoprazole Sodium41 claims
- Mesalamine17 claims
- Loperamide11 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.
Kay S. Williams among 2,582 nurse practitioner records in Minnesota
Kay S. Williams, APNP is one of 2,582 nurse practitioner records with a practice address in Minnesota. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 66% of them.
- NPI issued2019 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 64% of these records are
- Record last updated2020 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 nurse practitioner records list a practice address in Mankato
They are 62 of the 2,079 NPPES records with a practice address in Mankato, and 2,582 nurse practitioner records in Minnesota.
All 2,582 in Minnesota → Every provider in Mankato → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Susan Bauman, RN NPMankato, MN 560011114906120
- Virginia Clementson, APRN-CNPMankato, MN 560011114997004
- Sarah Davis, APRN, CNPMankato, MN 560011083932487
- Darci Griffiths, APRNMankato, MN 560011124251194
- Susan Haugh, NPMankato, MN 560011609097567
- Natalie Hoppe, NPMankato, MN 560011295718807
- Marlene Jilek, RN NPMankato, MN 560011376521393
- Donna Lewis, FNPMankato, MN 560011356593966
Common questions
What is Kay S. Williams, APNP's NPI number?
Kay S. Williams, APNP's National Provider Identifier (NPI) is 1134765233, issued on Nov 23, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Kay S. Williams, APNP located?
The NPPES record lists a practice address at 1025 Marsh St, Mankato, MN, 56001. Phone: (507) 284-2511. Providers update this record themselves, so call before visiting.
How can I verify Kay S. Williams, APNP's license?
NPPES lists Minnesota license number 7067, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Kay S. Williams, APNP prescribe under Medicare Part D?
In 2024, Kay S. Williams, APNP had 249 Medicare Part D claims for 87 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.