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DR. STEWART MATTHEW DAVIDSON MD
NPI 1356073696
Hospitalist in Saint Louis, MO

Active since June 27, 2022PECOS Enrolled
1 CHILDRENS PL, DIV PED HOSPITALIST MED, SAINT LOUIS, MO 63110(314) 454-2076(314) 747-8953 Get Directions Write a Review

NPPES record last updated: July 17, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Stewart Matthew Davidson Md NPPES

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

DR. STEWART MATTHEW DAVIDSON MD (NPI 1356073696) is an individual hospitalist provider in Saint Louis, Missouri, licensed in Missouri (2023037072) and active in the NPI registry since June 2022. He is enrolled in Medicare PECOS and is a graduate of Florida International Univ, College Of Medicine (2022).

NPPES Registry Identity

NPI1356073696
Entity TypeIndividualMale
Primary Taxonomy208M00000X
Provider Legal NameDR. STEWART MATTHEW DAVIDSONCredential: MD
Location Address1 CHILDRENS PL, DIV PED HOSPITALIST MEDSaint Louis, MO 63110-1002
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-2076 · Fax (314) 747-8953
Phone(314) 454-2076
Fax(314) 747-8953
Sole ProprietorNo
Medical School CMSFlorida International Univ, College Of MedicineGraduated 2022
Enumeration DateJune 27, 2022
Last NPPES UpdateJuly 17, 2025
NPPES CertifiedJune 27, 2022
✔ NPI 1356073696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians
Taxonomy Code208M00000X
License✔ Licensed in MO · 2023037072
Definition
Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.
Also ListedPediatricsTaxonomy 208000000X · License 2023037072 (MO)
1 CHILDRENS PL, Saint Louis, MO 63110
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Other Identifiers 1

Medicaid200113886MO

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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Stewart Matthew Davidson Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID2769994524
PECOS Enrollment IDI20260505001172
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Stewart Davidson reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Washington University
Same address
Multi-Specialty
1 CHILDRENS PL
Saint Louis, MO 63110
  • Reassigned Medicare billing, Missouri enrollment
  • 628 clinicians in this Medicare group
NPI 1194765685 (314) 286-1264
Washington University Physicians In Illinois, Inc
0.2 mi
Multi-Specialty
4901 FOREST PARK AVE STE 341
Saint Louis, MO 63108
  • Reassigned Medicare billing, Illinois enrollment
  • 530 clinicians in this Medicare group
NPI 1457203135 (314) 454-8181

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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
$128.28 typical visit price
range $55.65 – $169.38
Typical copayment $32.07 (range $13.91 – $42.34)
Most-billed visit code 99204
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 20

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

ARIE BAKER MSW, LCSW
Social Worker (Clinical)
1 CHILDRENS PL, CAMPUS BOX 8116
SAINT LOUIS, MO 63110
St. Louis City (314) 747-6169
SUSAN CHEUNG WALSH AUD
Audiologist-Hearing Aid Fitter
1 CHILDRENS PL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-4649
MS. JENNIFER MARIE JACOBI PNP
Nurse Practitioner (Pediatrics)
1 CHILDRENS PL, DEPT NEUROLOGICAL SURGERY, STE 4E
SAINT LOUIS, MO 63110
St. Louis City (314) 362-3577
MS. EMILY LINCOLN RN, NNP-BC
Nurse Practitioner (Neonatal, Critical Care)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-6000
MS. MARISSA ROSE PEREZ-MAGNELLI PNP
Nurse Practitioner (Pediatrics)
1 CHILDRENS PL, DEPT NEUROLOGY, STE 2130
SAINT LOUIS, MO 63110
St. Louis City (314) 454-6120
MRS. BRIANNA LYNN RICHTER NNP-BC
Nurse Practitioner (Neonatal)
1 CHILDRENS PL
SAINT LOUIS, MO 63110
St. Louis City (314) 454-6000
DR. WILLIAM L RIVES MD
Hospitalist
1 CHILDRENS PL, DIV PED HOSPITALIST MED
SAINT LOUIS, MO 63110
St. Louis City (314) 454-2076
DR. PETER M KILBRIDGE MD
Pediatrics
1 CHILDRENS PL, SUITE C
SAINT LOUIS, MO 63110
St. Louis City (314) 454-2479

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 Stewart Davidson's NPI number?

The NPI number for Stewart Davidson is 1356073696. It was assigned to this individual provider in the NPPES registry on June 27, 2022.

Where is Stewart Davidson located?

Stewart Davidson practices at 1 Childrens Pl Div Ped Hospitalist Med, Saint Louis, MO 63110. The listed phone number is (314) 454-2076.

What is Stewart Davidson's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Stewart Davidson enrolled in Medicare?

Yes. Stewart Davidson is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Stewart Davidson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stewart Davidson reassigns Medicare benefits to 2 organizations: Washington University (Saint Louis, MO) and Washington University Physicians In Illinois, Inc (Saint Louis, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Stewart Davidson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Stewart Davidson accept?

Health plans from Cox HealthPlans list Stewart Davidson 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.

When was this NPI record last updated?

The NPPES record for Stewart Davidson was last updated on July 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.