NPPES file of Aug 9, 2026

Megan Williams, FNP-C

Family Nurse Practitioner · Saint Charles, MO

Megan Williams, FNP-C is a family nurse practitioner with a practice address in Saint Charles, Missouri, and NPI 1598238925, issued on Jan 8, 2019. Check the license (Missouri 2019000530, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598238925
Name
Megan Williams
Credential
FNP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
2019000530 MO
Self-reported in NPPES; status is on the state search
Practice location
711 Veterans Memorial Pkwy Ste 300, Saint Charles, MO 63303
Phone
(636) 669-2350
Enumerated
Jan 8, 2019
Record last updated
Oct 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20200114003129); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →

Also registered at 711 Veterans Memorial Pkwy Ste 300

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Haseena Mazhar Ali, MDInternal Medicine Physician1851738769
  2. Amy Brown, FNP-BCNurse Practitioner1689223869
  3. Tyler Harrelson, PA-CPhysician Assistant1417708223
  4. Courtney HowellFamily Nurse Practitioner1881402204
  5. Yousaf Jalil, M.D.Internal Medicine Physician1629384136
  6. Amy JonesFamily Nurse Practitioner1831905504

Verify Megan Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2019000530    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

54% more Medicare Part D claims than the average family nurse practitioner in 2024

2,012 Medicare Part D claims for 777 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.

  1. Megan Williams2,012
  2. Specialty average1,305

Most prescribed

  1. Methylprednisolone92 claims
  2. Azithromycin91 claims
  3. Amoxicillin-Clavulanate Potass73 claims
  4. Amoxicillin71 claims
  5. Atorvastatin Calcium70 claims
  6. Prednisone69 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: $14.79

1 payment: food and beverage; the largest payer was Exact Sciences Corporation. 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.

  1. Megan Williams$14.79
  2. Specialty average$650.95

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

  1. Ssm Medical Group IncSaint Charles, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Megan Williams among 5,226 family nurse practitioner records in Missouri

Megan Williams, FNP-C is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% 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 59% of them.

  • NPI issued2019 · 59% of these records are older, 34% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2018 · median 2018 among the 3,339 with a school on file
  • Record last updated2020 · 44% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

45 family nurse practitioner records list a practice address in Saint Charles

They are 45 of the 1,547 NPPES records with a practice address in Saint Charles, and 5,226 family nurse practitioner records in Missouri.

All 5,226 in Missouri → Every provider in Saint Charles → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Regina DampierSaint Charles, MO 633031225331432
  2. Annette Davenport, FNP-BCSaint Charles, MO 633031487109146
  3. Kimberly Franer, FNPSaint Charles, MO 633031245699578
  4. Tawanta Johnson, ANPSaint Charles, MO 633031881036432
  5. Michael Lemp, MSN, APN, FNP-CSaint Charles, MO 633031063839504
  6. Jessica Lester, FNPSaint Charles, MO 633031295247591
  7. Kasandra May, FNPSaint Charles, MO 633031003272964
  8. Ameenah Robinson, FNP-CSaint Charles, MO 633031912556556

Common questions

What is Megan Williams, FNP-C's NPI number?

Megan Williams, FNP-C's National Provider Identifier (NPI) is 1598238925, issued on Jan 8, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Megan Williams, FNP-C located?

The NPPES record lists a practice address at 711 Veterans Memorial Pkwy Ste 300, Saint Charles, MO, 63303. Phone: (636) 669-2350. Providers update this record themselves, so call before visiting.

How can I verify Megan Williams, FNP-C's license?

NPPES lists Missouri license number 2019000530, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Megan Williams, FNP-C prescribe under Medicare Part D?

In 2024, Megan Williams, FNP-C had 2,012 Medicare Part D claims for 777 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.