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DR. CHELSEA ROSE DEL ROSSO MD
NPI 1861923195
Pediatrics in Saint Louis, MO

Active since March 27, 2017PECOS Enrolled
621 S NEW BALLAS RD STE 2003B, SAINT LOUIS, MO 63141(314) 251-5811(314) 251-5812 Get Directions Write a Review

NPPES record last updated: November 20, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 20, 2024, Jul 12, 2023, Nov 24, 2020 and 2 more (5 updates tracked since 2017).

About Dr. Chelsea Rose Del Rosso Md NPPES

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

DR. CHELSEA ROSE DEL ROSSO MD (NPI 1861923195) is an individual pediatrics provider in Saint Louis, Missouri, licensed in Missouri (2024041703) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861923195
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. CHELSEA ROSE DEL ROSSOCredential: MD
Location Address621 S NEW BALLAS RD STE 2003BSaint Louis, MO 63141-8265
Mailing AddressPo Box 776084Chicago, IL 60677-6084 · (314) 251-5811 · Fax (314) 251-5812
Phone(314) 251-5811
Fax(314) 251-5812
Sole ProprietorNo
Enumeration DateMarch 27, 2017
Last NPPES UpdateNovember 20, 20245 updates tracked since enumeration
NPPES CertifiedNovember 20, 2024
✔ NPI 1861923195 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in MO · 2024041703
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.
621 S NEW BALLAS RD STE 2003B, Saint Louis, MO 63141
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Premera Blue Cross Blue Shield of Alaska.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. Chelsea Rose Del Rosso 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 Reassignments

4

Medicare enrollment records show Chelsea Del Rosso reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mercy Clinic East Communities
Same address
Family Medicine
615 S NEW BALLAS RD, ADMINISTRATION BUILDING, 5TH FLOOR
Saint Louis, MO 63141
  • Reassigned Medicare billing, Missouri enrollment
  • 228 clinicians in this Medicare group
NPI 1043574940 (314) 251-6000
Multicare Health System
1,478 mi
Internal Medicine
15533 E BROADWAY AVE
Spokane Valley, WA 99037
  • Reassigned Medicare billing, Washington enrollment
  • 4,383 clinicians in this Medicare group
NPI 1336902345 (509) 530-4260
Association Of Chmc And University Physicians
1,554 mi
Pediatrics
969 STEVENS DR, SUITE 1B
Richland, WA 99352
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: The Association Of Chrmc And University Physicians
  • 1,443 clinicians in this Medicare group
NPI 1851680664 (509) 946-0976
Healthpoint
1,703 mi
Federally Qualified Health Center (FQHC)
16255 NE 87TH ST STE 150
Redmond, WA 98052
  • Reassigned Medicare billing, Washington enrollment
  • 403 clinicians in this Medicare group
NPI 1891795621 (425) 882-1697

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

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

DR. MICHAEL G KOENIG M.D.
Pediatrics
621 S NEW BALLAS RD STE 2003B
SAINT LOUIS, MO 63141
St. Louis County (314) 251-5811

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 Chelsea Del Rosso's NPI number?

The NPI number for Chelsea Del Rosso is 1861923195. It was assigned to this individual provider in the NPPES registry on March 27, 2017.

Where is Chelsea Del Rosso located?

Chelsea Del Rosso practices at 621 S New Ballas Rd Ste 2003B, Saint Louis, MO 63141. The listed phone number is (314) 251-5811.

What is Chelsea Del Rosso's specialty?

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

Is Chelsea Del Rosso enrolled in Medicare?

Yes. Chelsea Del Rosso is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Chelsea Del Rosso's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Chelsea Del Rosso reassigns Medicare benefits to 4 organizations: Mercy Clinic East Communities (Saint Louis, MO), Multicare Health System (Spokane Valley, WA), Association Of Chmc And University Physicians (Richland, WA) and Healthpoint (Redmond, WA). 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 Chelsea Del Rosso's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Chelsea Del Rosso accept?

Health plans from Anthem Blue Cross and Blue Shield and Premera Blue Cross Blue Shield of Alaska list Chelsea Del Rosso 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 Chelsea Del Rosso was last updated on November 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.