Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

CATHERINE SULLIVAN-KONYN MSW, APSW
NPI 1871401810
Social Worker in Milwaukee, WI

Q: What is Catherine Sullivan-konyn's NPI number?

The NPI number for Catherine Sullivan-konyn is 1871401810. It was assigned to this individual provider in the NPPES registry on August 31, 2026.

Q: What is Catherine Sullivan-konyn's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Active since August 31, 2026

1250 E BURLEIGH ST, MILWAUKEE, WI 53212(414) 267-5700 Get Directions Write a Review

NPPES record added: September 9, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Sep 9, 2026, Aug 31, 2026 (2 updates tracked since 2026).

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About Catherine Sullivan-konyn Msw, Apsw NPPES

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

CATHERINE SULLIVAN-KONYN MSW, APSW (NPI 1871401810) is an individual social worker in Milwaukee, Wisconsin and active in the NPI registry since August 2026. She maintains a secondary practice location in Milwaukee.

NPPES Registry Identity

NPI1871401810

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameCATHERINE SULLIVAN-KONYNCredential: MSW, APSW

Location Address1250 E BURLEIGH STMilwaukee, WI 53212-2217

Mailing Address5757 W Oklahoma Ave Ste 203Milwaukee, WI 53219-4303

Phone(414) 267-5700

Sole ProprietorYes

Enumeration DateAugust 31, 2026

Last NPPES UpdateSeptember 9, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 9, 2026

✔ NPI 1871401810 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

1250 E BURLEIGH ST, Milwaukee, WI 53212

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Secondary Practice Location 1

Location 15757 W Oklahoma Ave Ste 203Milwaukee, WI 53219-4303 · Phone (414) 461-6400

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JOSEPH LIVERSEED MSW

Social Worker (School)

1250 E BURLEIGH ST
MILWAUKEE, WI 53212

Milwaukee County (414) 267-5861

ANNA FINCH CCC-SLP

Speech-Language Pathologist

1250 E BURLEIGH ST
MILWAUKEE, WI 53212

Milwaukee County (630) 488-0601

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 Catherine Sullivan-konyn's NPI number?

The NPI number for Catherine Sullivan-konyn is 1871401810. It was assigned to this individual provider in the NPPES registry on August 31, 2026.

Where is Catherine Sullivan-konyn located?

Catherine Sullivan-konyn practices at 1250 E Burleigh St, Milwaukee, WI 53212. The listed phone number is (414) 267-5700.

What is Catherine Sullivan-konyn's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Catherine Sullivan-konyn was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.