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MRS. KATY MICHELE STEWART ANP
NPI 1437576600
Nurse Practitioner - Adult Health in Saint Louis, MO

Active since March 25, 2014PECOS EnrolledAccepts Medicare Assignment
92.39/100
CMS Quality Rating
4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FL, SAINT LOUIS, MO 63108(314) 454-8304(314) 454-5902 Get Directions Write a Review

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

Record update history: Apr 25, 2024, Apr 10, 2024, Apr 10, 2023 and 2 more (5 updates tracked since 2021).

About Mrs. Katy Michele Stewart Anp NPPES

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

MRS. KATY MICHELE STEWART ANP (NPI 1437576600) is an individual adult health provider in Saint Louis, Missouri, licensed in Missouri (2014006858) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Saint Louis University School Of Medicine (2013).

NPPES Registry Identity

NPI1437576600
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. KATY MICHELE STEWARTCredential: ANP
Location Address4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FLSaint Louis, MO 63108-2114
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-8304 · Fax (314) 454-5902
Phone(314) 454-8304
Fax(314) 454-5902
Sole ProprietorNo
Medical School CMSSaint Louis University School Of MedicineGraduated 2013
Enumeration DateMarch 25, 2014
Last NPPES UpdateApril 17, 20255 updates tracked since enumeration
NPPES CertifiedApril 10, 2023
✔ NPI 1437576600 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MO · 2014006858
4500 FOREST PARK AVE, Saint Louis, MO 63108
Open in Google Maps ↗

Other Identifiers 1

Medicaid420012678MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.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. Katy Michele Stewart Anp 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 ID3971736422
PECOS Enrollment IDI20140507001537, I20230830001165
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 moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
179 services68 patients
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.
148 services112 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
20 services17 patients

Hospital Affiliations CMS Care Compare

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

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number260032
LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63108 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.

92.39/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.81
Promoting Interoperability100
Improvement Activities40
Cost70.26

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. KIM M FRENCH ANP
Nurse Practitioner
4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-7216
DR. RAVI VIJ MD
Internal Medicine (Medical Oncology)
4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 454-8304
MR. STEVEN CHARLES FUCHS JR. PHARM.D.
Pharmacist
4500 FOREST PARK AVE
SAINT LOUIS, MO 63108
St. Louis City (314) 657-9013
MS. MEGAN ELIZABETH NEUDECKER FNP
Nurse Practitioner (Family)
4500 FOREST PARK AVE, DIV SURG ONCOLOGY, 5TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-2280
MS. CATHERINE C ROGERS ANP
Nurse Practitioner (Adult Health)
4500 FOREST PARK AVE, DIV IM HEMATOLOGY, 6TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-7216
DR. ZEYNEP GUL MD
Urology
4500 FOREST PARK AVE, DIV SURG UROLOGY, 5TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 362-8200
MS. STEPHANIE ANNE VOLLMER ANP
Nurse Practitioner
4500 FOREST PARK AVE, DIV IM BONE MARROW TRANSPLANT, 5TH, 6TH, 8TH FL
SAINT LOUIS, MO 63108
St. Louis City (314) 454-8304
MS. KAYLA THERESE JARRETT PA
Physician Assistant
4500 FOREST PARK AVE, DEPT NEUROLOGICAL SURGERY, STE 1B
SAINT LOUIS, MO 63108
St. Louis City (314) 362-3577

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 Katy Stewart's NPI number?

The NPI number for Katy Stewart is 1437576600. It was assigned to this individual provider in the NPPES registry on March 25, 2014.

Where is Katy Stewart located?

Katy Stewart practices at 4500 Forest Park Ave Div Im Bone Marrow Transplant, 5th, 6th, 8th Fl, Saint Louis, MO 63108. The listed phone number is (314) 454-8304.

What is Katy Stewart's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Is Katy Stewart enrolled in Medicare?

Yes. Katy Stewart 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 Katy Stewart accept?

Health plans from Cox HealthPlans list Katy Stewart 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 Katy Stewart affiliated with any hospitals?

According to CMS data, Katy Stewart is affiliated with Barnes Jewish Hospital.

When was this NPI record last updated?

The NPPES record for Katy Stewart was last updated on April 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.