1. Home
  2. Directory
  3. Missouri
  4. Saint Louis
  5. Nurse Practitioner
  6. NPI Profile

DR. RACHAEL LYNN WILLIAMS DNP, APRN, WHNP-BC
NPI 1346950862
Nurse Practitioner in Saint Louis, MO

Active since November 28, 2022PECOS EnrolledAccepts Medicare Assignment
8888 LADUE RD STE 220, SAINT LOUIS, MO 63124(314) 644-3336 Get Directions Write a Review

NPPES record last updated: May 9, 2023. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 9, 2023, Nov 28, 2022 (2 updates tracked since 2022).

About Dr. Rachael Lynn Williams Dnp, Aprn, Whnp-bc NPPES

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

DR. RACHAEL LYNN WILLIAMS DNP, APRN, WHNP-BC (NPI 1346950862) is an individual nurse practitioner in Saint Louis, Missouri, licensed in Missouri (2022046126) and active in the NPI registry since November 2022. She is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1346950862
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameDR. RACHAEL LYNN WILLIAMSCredential: DNP, APRN, WHNP-BC
Location Address8888 LADUE RD STE 220Saint Louis, MO 63124-2056
Mailing Address8888 Ladue Rd Ste 220Saint Louis, MO 63124-2056 · (314) 644-3336
Phone(314) 644-3336
Sole ProprietorNo
Medical School CMSOtherGraduated 2022
Enumeration DateNovember 28, 2022
Last NPPES UpdateMay 9, 20232 updates tracked since enumeration
NPPES CertifiedMay 9, 2023
✔ NPI 1346950862 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in MO · 2022046126
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
8888 LADUE RD STE 220, Saint Louis, MO 63124
Open in Google Maps ↗

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

Dr. Rachael Lynn Williams Dnp, Aprn, Whnp-bc 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 ID5496114977
PECOS Enrollment IDI20230630000935
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 3

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 low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
53 services47 patients
Cervical or vaginal cancer screening; pelvic and clinical breast examination G0101
This procedure involves checking for health issues in the lower abdomen and chest area. It helps identify early signs of certain conditions, increasing the chance for successful treatment. It's a routine check-up that's important for maintaining good health.
41 services41 patients
Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory Q0091
A Papanicolaou smear, often called a Pap smear, is a test to check for changes in cells. A small sample is gently collected from the lower region and sent to a lab for examination. This helps in early detection of potential health issues.
13 services13 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63124 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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 4

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

LYNDSAY AUDRA MIGNON DUFFE CNM
Advanced Practice Midwife
8888 LADUE RD STE 220
SAINT LOUIS, MO 63124
St. Louis County (314) 644-3336
DR. KELLI A KREHER M.D.
Obstetrics & Gynecology
8888 LADUE RD STE 220
SAINT LOUIS, MO 63124
St. Louis County (314) 644-3336
KIMBERLEY RAE TEMPLE CNM
Midwife
8888 LADUE RD STE 220
SAINT LOUIS, MO 63124
St. Louis County (314) 996-3531
MICHELLE R DE VERA M.D.
Obstetrics & Gynecology
8888 LADUE RD STE 220
SAINT LOUIS, MO 63124
St. Louis County (314) 644-3336

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 Rachael Williams's NPI number?

The NPI number for Rachael Williams is 1346950862. It was assigned to this individual provider in the NPPES registry on November 28, 2022.

Where is Rachael Williams located?

Rachael Williams practices at 8888 Ladue Rd Ste 220, Saint Louis, MO 63124. The listed phone number is (314) 644-3336.

What is Rachael Williams's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Rachael Williams enrolled in Medicare?

Yes. Rachael 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.

When was this NPI record last updated?

The NPPES record for Rachael Williams was last updated on May 9, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.