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MS. MARISSA LEIGH SMITH FNP
NPI 1720480015
Nurse Practitioner - Family in Saint Louis, MO

Active since September 18, 2014PECOS EnrolledAccepts Medicare Assignment
90.77/100
CMS Quality Rating
1600 S BRENTWOOD BLVD, DIV NEUROLOGY SLEEP MED, STE 600, SAINT LOUIS, MO 63144(314) 362-1408(314) 747-4342 Get Directions Write a Review

NPPES record last updated: November 15, 2021. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 15, 2021, Nov 12, 2021 (2 updates tracked since 2021).

About Ms. Marissa Leigh Smith Fnp NPPES

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

MS. MARISSA LEIGH SMITH FNP (NPI 1720480015) is an individual family provider in Saint Louis, Missouri, licensed in Missouri (2021009802) and active in the NPI registry since September 2014. She is enrolled in Medicare PECOS, is affiliated with St Josephs Hospital, and is a graduate of Other (2014).

NPPES Registry Identity

NPI1720480015
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMS. MARISSA LEIGH SMITHCredential: FNP
Location Address1600 S BRENTWOOD BLVD, DIV NEUROLOGY SLEEP MED, STE 600Saint Louis, MO 63144-1320
Mailing Address660 S Euclid Ave, Cb 8111Saint Louis, MO 63110-1010 · (314) 362-4342 · Fax (314) 747-3813
Phone(314) 362-1408
Fax(314) 747-4342
Sole ProprietorNo
Medical School CMSOtherGraduated 2014
Enumeration DateSeptember 18, 2014
Last NPPES UpdateNovember 15, 20212 updates tracked since enumeration
✔ NPI 1720480015 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in MO · 2021009802
1600 S BRENTWOOD BLVD, Saint Louis, MO 63144
Open in Google Maps ↗

Other Identifiers 1

Medicaid420097107MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include CareSource.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

Ms. Marissa Leigh Smith Fnp 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 ID9638491590
PECOS Enrollment IDI20231218000910
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 6

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
242 services114 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
144 services87 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
63 services63 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
51 services49 patients
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223
Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.
46 services46 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.
28 services28 patients

Hospital Affiliations CMS Care Compare 3

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

St Josephs Hospital

Acute Care Hospitals · Breese, IL
OwnershipVoluntary non-profit - Church
CMS Certification Number140145
Location9515 Holy Cross LnBreese, IL 62230 · Clinton County
Emergency services Birthing friendly

Memorial Hospital

Acute Care Hospitals · Belleville, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140185
Location4500 Memorial DriveBelleville, IL 62226 · St. Clair County
Emergency services Birthing friendly

Hshs St Elizabeth's Hospital

Acute Care Hospitals · O Fallon, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140187
LocationOne St Elizabeth BoulevardO Fallon, IL 62269 · St. Clair County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63144 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

90.77/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality86.98
Improvement Activities40
Cost68.13

Referred Medical Equipment & Supplies CMS DME claims 9

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Tubing with integrated heating element for use with positive airway pressure device A4604
DME-Other DME · category DE001N
7 suppliers30 claims30 services$31.13 avg. paid by Medicare
Full face mask used with positive airway pressure device, each A7030
DME-Other DME · category DE001N
5 suppliers11 claims12 services$77.18 avg. paid by Medicare
Cushion for use on nasal mask interface, replacement only, each A7032
DME-Other DME · category DE001N
8 suppliers22 claims97 services$17.03 avg. paid by Medicare
Pillow for use on nasal cannula type interface, replacement only, pair A7033
DME-Other DME · category DE001N
5 suppliers17 claims57 services$12.61 avg. paid by Medicare
Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap A7034
DME-Other DME · category DE001N
10 suppliers30 claims30 services$50.43 avg. paid by Medicare
Headgear used with positive airway pressure device A7035
DME-Other DME · category DE001N
11 suppliers29 claims29 services$15.07 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

MS. AFOUSSATOU BOIRE ANP
Nurse Practitioner (Adult Health)
1600 S BRENTWOOD BLVD, DIV NEUROLOGY SLEEP MED, STE 600
SAINT LOUIS, MO 63144
St. Louis County (314) 362-4342
DR. JEAN E BIRMINGHAM M.D.
Pediatrics
1600 S BRENTWOOD BLVD, SUITE 100
SAINT LOUIS, MO 63144
St. Louis County (314) 918-8827
DR. SIERRA JORDAN STIPPICH MD
Pediatrics
1600 S BRENTWOOD BLVD, STE 100
BRENTWOOD, MO 63144
St. Louis County (314) 918-8827
MS. KEIKO SAWANO FNP
Nurse Practitioner (Family)
1600 S BRENTWOOD BLVD, DIV NEUROLOGY SLEEP MED, STE 600
SAINT LOUIS, MO 63144
St. Louis County (314) 362-1408
ELENA ANGELICA MURO-FUENTES MD
Psychiatry & Neurology (Sleep Medicine)
1600 S BRENTWOOD BLVD
SAINT LOUIS, MO 63144
St. Louis County (319) 356-8752
DR. RACHEL SUSANNA DARKEN MD
Psychiatry & Neurology (Neurology)
1600 S BRENTWOOD BLVD, DIV NEUROLOGY SLEEP MED, STE 600
SAINT LOUIS, MO 63144
St. Louis County (314) 362-1408
DR. GABRIELA SALES DE BRUIN MD
Pediatrics (Sleep Medicine)
1600 S BRENTWOOD BLVD, DIV NEUROLOGY SLEEP MED, STE 600
SAINT LOUIS, MO 63144
St. Louis County (314) 362-1408
DR. JOSHUA CLETUS SMITH MD
Pediatrics
1600 S BRENTWOOD BLVD, STE 100
BRENTWOOD, MO 63144
St. Louis County (314) 918-8827

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 Marissa Smith's NPI number?

The NPI number for Marissa Smith is 1720480015. It was assigned to this individual provider in the NPPES registry on September 18, 2014.

Where is Marissa Smith located?

Marissa Smith practices at 1600 S Brentwood Blvd Div Neurology Sleep Med, Ste 600, Saint Louis, MO 63144. The listed phone number is (314) 362-1408.

What is Marissa Smith's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marissa Smith enrolled in Medicare?

Yes. Marissa Smith 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 Marissa Smith accept?

Health plans from CareSource list Marissa Smith 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 Marissa Smith affiliated with any hospitals?

According to CMS data, Marissa Smith is affiliated with St Josephs Hospital, Memorial Hospital and Hshs St Elizabeth's Hospital.

When was this NPI record last updated?

The NPPES record for Marissa Smith was last updated on November 15, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.