DR. BARBARA CLAIRE SIECK PHD
NPI 1144699364
Psychologist - Counseling in Milwaukee, WI

Active since September 17, 2015PECOS EnrolledAccepts Medicare Assignment
1155 N MAYFAIR RD, MILWAUKEE, WI 53226(414) 955-8900 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Sep 15, 2017 (3 updates tracked since 2017).

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

NPI1144699364
Entity TypeIndividualFemale
Primary Taxonomy103TC1900X
Provider Legal NameDR. BARBARA CLAIRE SIECKCredential: PHD
Location Address1155 N MAYFAIR RDMilwaukee, WI 53226-3462
Mailing Address1155 N Mayfair RdMilwaukee, WI 53226-3462 · (414) 955-8900
Sole ProprietorNo
Medical School CMSUniversity Of Iowa, Rj & L Carver College Of MedicineGraduated 2014
Enumeration DateSeptember 17, 2015
Last NPPES UpdateJuly 21, 20223 updates tracked since enumeration
✔ NPI 1144699364 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · CounselingBehavioral Health & Social Service Providers
Taxonomy Code103TC1900X
License✔ Licensed in WI · 3301-57
Definition
A psychologist who specializes in general practice and health service. It focuses on how people function both personally and in their relationships at all ages. Counseling psychology addresses the emotional, social, work, school and physical health concerns people may have at different stages in their lives, focusing on typical life stresses and more severe issues with which people may struggle as individuals and as a part of families, groups and organizations. Counseling psychologists help people with physical, emotional and mental health issues improve their sense of well-being, alleviate feelings of distress and resolve crises. They also provide assessment, diagnosis, and treatment of more severe psychological symptoms.
1155 N MAYFAIR RD, Milwaukee, WI 53226

Secondary Practice Location 1

Location 15000 W National AveMilwaukee, WI 53295-0001 · Phone (414) 384-2000

Other Identifiers 1

Medicaid1144699364WI

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.

PECOS PAC ID2466731914
PECOS Enrollment IDI20171120003553
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

2

Medicare 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.

Internal Medicine
8701 WATERTOWN PLANK RD
Milwaukee, WI 53226
  • Reassigned Medicare billing, Wisconsin enrollment
  • 3,983 clinicians in this Medicare group
Internal Medicine
W180N8000 TOWN HALL RD
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.

Pharmacist (Psychiatric)
1155 N MAYFAIR RD
MILWAUKEE, WI 53226
Family Medicine
1155 N MAYFAIR RD, PLANK ROAD CLINIC
MILWAUKEE, WI 53226
Physical Therapy Assistant
1155 N MAYFAIR RD
MILWAUKEE, WI 53226
Family Medicine
1155 N MAYFAIR RD, PLANK ROAD CLINIC
MILWAUKEE, WI 53226
Neurological Surgery
1155 N MAYFAIR RD, SPINE CARE CLINIC AT PLANK ROAD
MILWAUKEE, WI 53226
Physical Medicine & Rehabilitation
1155 N MAYFAIR RD, SPINE CARE CLINIC AT PLANK ROAD
MILWAUKEE, WI 53226
Psychologist (Clinical)
1155 N MAYFAIR RD, THIRD FLOOR
MILWAUKEE, WI 53226
Psychiatry & Neurology (Psychiatry)
1155 N MAYFAIR RD, DEPARTMENT OF PSYCHIATRY
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.