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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CLAIRE ALEXANDRA STEINBERG
NPI 1417424425
Nurse Practitioner - Pediatrics in Missoula, MT

Active since October 29, 2018PECOS Enrolled
3301 GREAT NORTHERN AVE STE 203, MISSOULA, MT 59808(406) 830-4037 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 8, 2021, Oct 29, 2018 (2 updates tracked since 2018).

About Claire Alexandra Steinberg NPPES

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

CLAIRE ALEXANDRA STEINBERG (NPI 1417424425) is an individual pediatrics provider in Missoula, Montana, licensed in Montana (NUR-APRN-LIC-132625) and active in the NPI registry since October 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1417424425
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameCLAIRE ALEXANDRA STEINBERG
Location Address3301 GREAT NORTHERN AVE STE 203Missoula, MT 59808-1575
Mailing Address3301 Great Northern Ave Ste 203Missoula, MT 59808-1575 · (406) 830-4037
Phone(406) 830-4037
Sole ProprietorNo
Enumeration DateOctober 29, 2018
Last NPPES UpdateOctober 19, 20262 updates tracked since enumeration
NPPES CertifiedOctober 19, 2026
✔ NPI 1417424425 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in MT · NUR-APRN-LIC-132625
3301 GREAT NORTHERN AVE STE 203, Missoula, MT 59808
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Claire Alexandra Steinberg 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 Claire Steinberg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Rchp Billings - Missoula LLC
3.3 mi
Family Medicine
2827 FORT MISSOULA RD
Missoula, MT 59804
  • Reassigned Medicare billing, Montana enrollment
  • 192 clinicians in this Medicare group
NPI 1376946913 (406) 327-4620

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 59808 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
$87.97 typical visit price
range $56.81 – $172.26
Typical copayment $21.99 (range $14.20 – $43.06)
Most-billed visit code 99203
Established Patient
$100.16 typical visit price
range $18.24 – $140.32
Typical copayment $25.04 (range $4.56 – $35.08)
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.

SUMMIT DIABETES CENTER, PLLC
Internal Medicine (Diabetology)
3301 GREAT NORTHERN AVE STE 203
MISSOULA, MT 59808
Missoula County (406) 830-4037

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 Claire Steinberg's NPI number?

The NPI number for Claire Steinberg is 1417424425. It was assigned to this individual provider in the NPPES registry on October 29, 2018.

Where is Claire Steinberg located?

Claire Steinberg practices at 3301 Great Northern Ave Ste 203, Missoula, MT 59808. The listed phone number is (406) 830-4037.

What is Claire Steinberg's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Claire Steinberg enrolled in Medicare?

Yes. Claire Steinberg is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Claire Steinberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Claire Steinberg reassigns Medicare benefits to Rchp Billings - Missoula LLC (Missoula, MT). 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 Claire Steinberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Claire Steinberg accept?

Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Claire Steinberg 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 Claire Steinberg was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.