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ROCK CREEK ASSOCIATES
NPI 1497073779
Social Worker - Clinical in Billings, MT

Active since May 11, 2010
304 GRAND AVE, BILLINGS, MT 59101(406) 671-8567(888) 516-4496 Get Directions Write a Review

NPPES record last updated: February 9, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 9, 2022, Feb 2, 2022 (2 updates tracked since 2022).

About Rock Creek Associates NPPES

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

ROCK CREEK ASSOCIATES (NPI 1497073779) is a healthcare organization registered as a clinical in Billings, Montana and active in the NPI registry since May 2010. The organization lists Amanda M Lewis, Owner, as its authorized official.

NPPES Registry Identity

NPI1497073779
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameAMANDA M LEWIS PROFESSIONAL LLC
Location Address304 GRAND AVEBillings, MT 59101-5923
Mailing AddressPo Box 443Joliet, MT 59041-0443 · (406) 671-8567 · Fax (888) 516-4496
Phone(406) 671-8567
Fax(888) 516-4496
Organization SubpartNo
Authorized OfficialAmanda M LewisOwner · (406) 671-8567
Enumeration DateMay 11, 2010
Last NPPES UpdateFebruary 9, 20222 updates tracked since enumeration
NPPES CertifiedFebruary 9, 2022
✔ NPI 1497073779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MT · 930
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
304 GRAND AVE, Billings, MT 59101
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Other Names 1

Doing Business AsRock Creek Associates

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Rock Creek Associates is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Rock Creek Associates, which bills Medicare for the services this clinician delivers.

Clinician (1)

Amanda Lewis, LCSW
Clinical Social Worker
NPI 1972736957
304 GRAND AVE
Billings, MT 59101
(406) 671-8567
✔ PECOS✔ Accepts MedicareSame address

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

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 Amanda M Lewis Professional LLC's NPI number?

The NPI number for Amanda M Lewis Professional LLC is 1497073779. It was assigned to this organization in the NPPES registry on May 11, 2010. The provider is doing business as Rock Creek Associates.

Where is Amanda M Lewis Professional LLC located?

Amanda M Lewis Professional LLC is located at 304 Grand Ave, Billings, MT 59101. The listed phone number is (406) 671-8567.

What is Amanda M Lewis Professional LLC's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Amanda M Lewis Professional LLC enrolled in Medicare?

Yes. Amanda M Lewis Professional LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Amanda M Lewis Professional LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Amanda M Lewis Professional LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Amanda M Lewis Professional LLC accept?

Health plans from Blue Cross and Blue Shield of Montana list Amanda M Lewis Professional LLC 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 Amanda M Lewis Professional LLC was last updated on February 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.