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DR. TREVOR ALAN DAVIS MD
NPI 1215393525
Pediatrics - Pediatric Gastroenterology in Saint Louis, MO

Active since January 04, 2016PECOS EnrolledAccepts Medicare Assignment
1 CHILDRENS PL, DIV PED GASTRO, HEPATOLOGY AND NUTRITION, SAINT LOUIS, MO 63110(314) 454-6173(844) 231-8912 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 1, 2024, Apr 21, 2021, Oct 19, 2018 (3 updates tracked since 2018).

About Dr. Trevor Alan Davis Md NPPES

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

DR. TREVOR ALAN DAVIS MD (NPI 1215393525) is an individual pediatric gastroenterology provider in Saint Louis, Missouri, licensed in Missouri (2021010810) and active in the NPI registry since January 2016. He is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2018).

NPPES Registry Identity

NPI1215393525
Entity TypeIndividualMale
Primary Taxonomy2080P0206X
Provider Legal NameDR. TREVOR ALAN DAVISCredential: MD
Location Address1 CHILDRENS PL, DIV PED GASTRO, HEPATOLOGY AND NUTRITIONSaint Louis, MO 63110-1002
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 454-6173 · Fax (844) 231-8912
Phone(314) 454-6173
Fax(844) 231-8912
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2018
Enumeration DateJanuary 4, 2016
Last NPPES UpdateApril 17, 20253 updates tracked since enumeration
NPPES CertifiedApril 21, 2021
✔ NPI 1215393525 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0206X
License✔ Licensed in MO · 2021010810
Definition
A pediatrician who specializes in the diagnosis and treatment of diseases of the digestive systems of infants, children and adolescents. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using lighted scopes to see internal organs.
1 CHILDRENS PL, Saint Louis, MO 63110
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Other Identifiers 1

Medicaid200062108MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Trevor Alan Davis Md 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 ID749720084
PECOS Enrollment IDI20240912002843
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 Reassignment

Medicare enrollment records show Trevor Davis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

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

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 Trevor Davis's NPI number?

The NPI number for Trevor Davis is 1215393525. It was assigned to this individual provider in the NPPES registry on January 4, 2016.

Where is Trevor Davis located?

Trevor Davis practices at 1 Childrens Pl Div Ped Gastro, Hepatology And Nutrition, Saint Louis, MO 63110. The listed phone number is (314) 454-6173.

What is Trevor Davis's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Gastroenterology, with taxonomy code 2080P0206X.

Is Trevor Davis enrolled in Medicare?

Yes. Trevor Davis 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.

Which organization bills Medicare for Trevor Davis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Trevor Davis reassigns Medicare benefits to Washington University (Saint Louis, MO). The 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 Trevor Davis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Trevor Davis accept?

Health plans from Cox HealthPlans and UnitedHealthcare list Trevor Davis 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 Trevor Davis 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 18 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.