Klay Davis McWilliams, FNP-C
Family Nurse Practitioner · Sweetwater, TX
Klay Davis McWilliams, FNP-C is a family nurse practitioner with a practice address in Sweetwater, Texas, and NPI 1417574161, issued on Jun 29, 2020. Check the license (Texas AP144936, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Klay Davis McWilliams
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP144936 TX
Self-reported in NPPES; status is on the state search - Practice location
- 200 E Arizona Ave, Sweetwater, TX 79556
- Phone
- (325) 235-1701
- Enumerated
- Jun 29, 2020
- Record last updated
- Jun 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20201111002622); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 200 E Arizona Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jennifer Robinson, CNMAdvanced Practice Midwife1558230524
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Verify Klay Davis McWilliams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP144936Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family nurse practitioner in 2024
265 Medicare Part D claims for 97 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Doxycycline Hyclate20 claims
- Methylprednisolone20 claims
- Sulfamethoxazole-Trimethoprim13 claims
- Azithromycin11 claims
- Hydrochlorothiazide11 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: $68.08
3 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. 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.
One hospital affiliation
- Rolling Plains Memorial HospitalSweetwater, TX · Acute Care Hospitals
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Klay Davis McWilliams among 21,242 family nurse practitioner records in Texas
Klay Davis McWilliams, FNP-C is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% 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, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2019 · median 2018 among the 11,286 with a school on file
- Record last updated2020 · 38% 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 Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
12 family nurse practitioner records list a practice address in Sweetwater
They are 12 of the 125 NPPES records with a practice address in Sweetwater, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Sweetwater → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lauren Crawford, FNP-CSweetwater, TX 795561891356879
- Kimberly Dean, FNPSweetwater, TX 795561093607038
- Erica Garcia, FNPSweetwater, TX 795561649780735
- Christine Heady, RN, FNP-BCSweetwater, TX 795561821059171
- Sally McCluskey, FNPSweetwater, TX 795561831862093
- Monica Mendoza, FNPSweetwater, TX 795561609583921
- Julie ReamsSweetwater, TX 795561861903718
- Crystal Rogers, APRN-CNPSweetwater, TX 795561538927009
Common questions
What is Klay Davis McWilliams, FNP-C's NPI number?
Klay Davis McWilliams, FNP-C's National Provider Identifier (NPI) is 1417574161, issued on Jun 29, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Klay Davis McWilliams, FNP-C located?
The NPPES record lists a practice address at 200 E Arizona Ave, Sweetwater, TX, 79556. Phone: (325) 235-1701. Providers update this record themselves, so call before visiting.
How can I verify Klay Davis McWilliams, FNP-C's license?
NPPES lists Texas license number AP144936, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Klay Davis McWilliams, FNP-C prescribe under Medicare Part D?
In 2024, Klay Davis McWilliams, FNP-C had 265 Medicare Part D claims for 97 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.