DR. BARBARA CLAIRE SIECK PHD
NPI 1144699364
Psychologist - Counseling in Milwaukee, WI
About Dr. Barbara Claire Sieck Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BARBARA CLAIRE SIECK PHD (NPI 1144699364) is an individual counseling provider in Milwaukee, Wisconsin, licensed in Wisconsin (3301-57) and active in the NPI registry since September 2015. She is enrolled in Medicare PECOS, maintains a secondary practice location in Milwaukee, and is a graduate of University Of Iowa, Rj & L Carver College Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted 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
Dr. Barbara Claire Sieck Phd 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.
Medicare Billing Reassignments
2Medicare enrollment records show Barbara Sieck reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Milwaukee, WI 53226
- Reassigned Medicare billing, Wisconsin enrollment
- 3,983 clinicians in this Medicare group
Menomonee Falls, WI 53051
- Reassigned Medicare billing, Wisconsin enrollment
- 2,294 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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.
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
MILWAUKEE, WI 53226
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 Barbara Sieck's NPI number?
The NPI number for Barbara Sieck is 1144699364. It was assigned to this individual provider in the NPPES registry on September 17, 2015.
Where is Barbara Sieck located?
Barbara Sieck practices at 1155 N Mayfair Rd, Milwaukee, WI 53226. The listed phone number is (414) 955-8900.
What is Barbara Sieck's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Counseling, with taxonomy code 103TC1900X.
Is Barbara Sieck enrolled in Medicare?
Yes. Barbara Sieck 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 organizations bill Medicare for Barbara Sieck's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Barbara Sieck reassigns Medicare benefits to 2 organizations: The Medical College Of Wisconsin, Inc. (Milwaukee, WI) and Froedtert & the Medical College Of Wisconsin Community Physicians, Inc. (Menomonee Falls, WI). 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 Barbara Sieck's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Barbara Sieck accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan and Network Health list Barbara Sieck 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 Barbara Sieck 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.