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MR. ROBERT J NIEZWAAG JR. MSW
NPI 1780946509
Social Worker - Clinical in Riverton, WY

Active since June 08, 2012PECOS EnrolledAccepts Medicare Assignment
1110 MAJOR AVE # M, RIVERTON, WY 82501(307) 856-6587(307) 856-2668 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Jun 26, 2017 (3 updates tracked since 2017).

About Mr. Robert J Niezwaag Jr. Msw NPPES

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

MR. ROBERT J NIEZWAAG JR. MSW (NPI 1780946509) is an individual clinical provider in Riverton, Wyoming and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS, maintains a secondary practice location in Casper, and is a graduate of Other (2013).

NPPES Registry Identity

NPI1780946509
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. ROBERT J NIEZWAAG JR.Credential: MSW
Location Address1110 MAJOR AVE # MRiverton, WY 82501-2342
Mailing Address1110 Majors Ave.Riverton, WY 82501 · (307) 856-6587 · Fax (307) 856-2668
Phone(307) 856-6587
Fax(307) 856-2668
Sole ProprietorNo
Medical School CMSOtherGraduated 2013
Enumeration DateJune 8, 2012
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1780946509 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
1110 MAJOR AVE # M, Riverton, WY 82501
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Secondary Practice Location 1

Location 11440 Wilkins CirCasper, WY 82601-1336 · Phone (307) 237-1800 · Fax (307) 237-7126

Accepted Insurance

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

Mr. Robert J Niezwaag Jr. Msw 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 ID2365712304
PECOS Enrollment IDI20170724002385
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 Robert Niezwaag reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Fremont County Behavioral Health
22 mi
Mental Health (Including Community Mental Health Center)
748 MAIN ST
Lander, WY 82520
  • Reassigned Medicare billing, Wyoming enrollment
  • Medicare enrollment name: Fremont Counseling Service
  • 13 clinicians in this Medicare group
NPI 1003812694 (307) 332-2231

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
60 services15 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 82501 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
$0.00 typical visit price
range $56.42 – $170.72
Typical copayment $0.00 (range $14.10 – $42.68)
Most-billed visit code NA
Established Patient
$70.32 typical visit price
range $18.19 – $139.32
Typical copayment $17.58 (range $4.54 – $34.83)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Robert Niezwaag's NPI number?

The NPI number for Robert Niezwaag is 1780946509. It was assigned to this individual provider in the NPPES registry on June 8, 2012.

Where is Robert Niezwaag located?

Robert Niezwaag practices at 1110 Major Ave # M, Riverton, WY 82501. The listed phone number is (307) 856-6587.

What is Robert Niezwaag's specialty?

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

Is Robert Niezwaag enrolled in Medicare?

Yes. Robert Niezwaag 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 Robert Niezwaag's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Niezwaag reassigns Medicare benefits to Fremont County Behavioral Health (Lander, WY). 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 Robert Niezwaag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Niezwaag accept?

Health plans from Blue Cross Blue Shield of Wyoming list Robert Niezwaag 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 Robert Niezwaag was last updated on July 21, 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.