DR. TIMOTHY PATRICK RATZ MD
NPI 1093384513
Pediatrics in Saint Louis, MO

Q: What is Timothy Ratz's NPI number?

The NPI number for Timothy Ratz is 1093384513. It was assigned to this individual provider in the NPPES registry on June 19, 2021.

Q: What is Timothy Ratz's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Timothy Ratz 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.

Active since June 19, 2021PECOS Enrolled

456 N NEW BALLAS RD, STE 304, SAINT LOUIS, MO 63141(314) 567-6868(314) 567-0578 Get Directions Write a Review

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

Record update history: Jul 31, 2024, Jun 11, 2024, Jun 19, 2021 (3 updates tracked since 2021).

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About Dr. Timothy Patrick Ratz Md NPPES

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

DR. TIMOTHY PATRICK RATZ MD (NPI 1093384513) is an individual pediatrics provider in Saint Louis, Missouri, licensed in Missouri (2022048876) and active in the NPI registry since June 2021. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093384513

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameDR. TIMOTHY PATRICK RATZCredential: MD

Location Address456 N NEW BALLAS RD, STE 304Saint Louis, MO 63141-6831

Mailing AddressPo Box 7412065Chicago, IL 60674-2065 · (314) 567-6868 · Fax (314) 567-0578

Phone(314) 567-6868

Fax(314) 567-0578

Sole ProprietorNo

Enumeration DateJune 19, 2021

Last NPPES UpdateApril 17, 20253 updates tracked since enumeration

NPPES CertifiedApril 17, 2024

✔ NPI 1093384513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MO · 2022048876

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

456 N NEW BALLAS RD, Saint Louis, MO 63141

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Other Identifiers 1

Medicaid200097879MO

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 (PECOS)

Dr. Timothy Patrick Ratz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Timothy Ratz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Washington University

Same address

Pediatrics

456 N NEW BALLAS RD STE 304
Saint Louis, MO 63141

Reassigned Medicare billing, Missouri enrollment
19 clinicians in this Medicare group

NPI 1942949482 (314) 567-0578

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 63141 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 20

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

BARBARA ANN GIESE RN, CPNP

Nurse Practitioner (Pediatrics)

456 N NEW BALLAS RD, SUITE 304
SAINT LOUIS, MO 63141

St. Louis County (314) 567-6868

DR. MARK C MURAWSKI MD

Pediatrics

456 N NEW BALLAS RD, STE 304
SAINT LOUIS, MO 63141

St. Louis County (314) 567-6868

HOWARD IVAN WEISS M.D.

Psychiatry & Neurology (Neurology)

456 N NEW BALLAS RD, SUITE 324
CREVE COEUR, MO 63141

St. Louis County (314) 569-3381

WOMENS CARE & FERTILITY ASSOCIATES INC

Obstetrics & Gynecology

456 N NEW BALLAS RD, SUITE 220
SAINT LOUIS, MO 63141

St. Louis County (314) 997-7177

DR. SARA M AYERS MD

Pediatrics

456 N NEW BALLAS RD, STE 304
SAINT LOUIS, MO 63141

St. Louis County (314) 567-6868

MS. COLLEEN ANN BRADFORD PNP

Nurse Practitioner

456 N NEW BALLAS RD, STE 304
SAINT LOUIS, MO 63141

St. Louis County (314) 567-6868

JEFFREY THOMAS REED MD

Dermatology

456 N NEW BALLAS RD, STE 118
SAINT LOUIS, MO 63141

St. Louis County (314) 567-1400

ORAL AND MAXILLOFACIAL SURGEONS INC

Dentist (Oral and Maxillofacial Surgery)

456 N NEW BALLAS RD, SUITE 249
CREVE COEUR, MO 63141

St. Louis County (314) 569-2201

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 Timothy Ratz's NPI number?

The NPI number for Timothy Ratz is 1093384513. It was assigned to this individual provider in the NPPES registry on June 19, 2021.

Where is Timothy Ratz located?

Timothy Ratz practices at 456 N New Ballas Rd Ste 304, Saint Louis, MO 63141. The listed phone number is (314) 567-6868.

What is Timothy Ratz's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Timothy Ratz enrolled in Medicare?

Yes. Timothy Ratz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Timothy Ratz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Ratz 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 Timothy Ratz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy Ratz accept?

Health plans from Cox HealthPlans and UnitedHealthcare list Timothy Ratz 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 Timothy Ratz 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.