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MRS. MELISSA B WALLACE WHNP
NPI 1497027247
Nurse Practitioner in Chesterfield, MO

Active since February 08, 2012PECOS EnrolledAccepts Medicare Assignment
111 SAINT LUKES CENTER DR STE 44B, CHESTERFIELD, MO 63017(143) 576-2424(314) 576-2381 Get Directions Write a Review

NPPES record last updated: February 17, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Feb 17, 2025, Nov 15, 2016, Oct 1, 2015 (3 updates tracked since 2015).

About Mrs. Melissa B Wallace Whnp NPPES

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

MRS. MELISSA B WALLACE WHNP (NPI 1497027247) is an individual nurse practitioner in Chesterfield, Missouri, licensed in Missouri (151045) and active in the NPI registry since February 2012. She is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1497027247
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameMRS. MELISSA B WALLACECredential: WHNP
Location Address111 SAINT LUKES CENTER DR STE 44BChesterfield, MO 63017-3509
Mailing Address111 Saint Lukes Center Dr Ste 44bChesterfield, MO 63017-3509 · (143) 576-2424 · Fax (314) 576-2381
Phone(143) 576-2424
Fax(314) 576-2381
Sole ProprietorNo
Medical School CMSOtherGraduated 2011
Enumeration DateFebruary 8, 2012
Last NPPES UpdateFebruary 17, 20253 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2025
✔ NPI 1497027247 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 · 151045
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.
111 SAINT LUKES CENTER DR STE 44B, Chesterfield, MO 63017
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Other Identifiers 1

MedicaidENROLLEDIL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.Insurance ›

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

Mrs. Melissa B Wallace Whnp 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 ID648597765
PECOS Enrollment IDI20150327002448
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.
23 services18 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
14 services14 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
12 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260179
Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63017 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 2

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

DR. CYPRESS GARRETT DC
Chiropractor
111 SAINT LUKES CENTER DR STE 44B
CHESTERFIELD, MO 63017
St. Louis County (314) 576-2424
MEDICAL WEIGHT MANAGEMENT SPECIALISTS, LLC
Internal Medicine (Obesity Medicine)
111 SAINT LUKES CENTER DR STE 44B
CHESTERFIELD, MO 63017
St. Louis County (314) 205-1926

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 Melissa Wallace's NPI number?

The NPI number for Melissa Wallace is 1497027247. It was assigned to this individual provider in the NPPES registry on February 8, 2012.

Where is Melissa Wallace located?

Melissa Wallace practices at 111 Saint Lukes Center Dr Ste 44B, Chesterfield, MO 63017. The listed phone number is (143) 576-2424.

What is Melissa Wallace's specialty?

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

Is Melissa Wallace enrolled in Medicare?

Yes. Melissa Wallace 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.

What insurance does Melissa Wallace accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list Melissa Wallace as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Melissa Wallace affiliated with any hospitals?

According to CMS data, Melissa Wallace is affiliated with St Lukes Hospital.

When was this NPI record last updated?

The NPPES record for Melissa Wallace was last updated on February 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.