KATHRYN HAMM (APSW) – Clinical Social Worker, NPI 1891404901

KATHRYN HAMM (APSW) is a healthcare provider. based in Milwaukee, Wisconsin. specializing in CLINICAL SOCIAL WORKER. They hold the professional credentials APSW. They hold a License No. 134056-121 (WI). The NPI Number for KATHRYN HAMM (APSW) is 1891404901

Main info

Female
17 Years Of Experience
Accepts Medicare Assignment
Name
KATHRYN HAMM (APSW)
NPI
1891404901
Phone
(414) 426-5257
Address
829 E DAKOTA ST
Enumeration Date
17 November 2022
Last Update Date
17 November 2022

Doctor Profile

Medical School Name
OTHER
Secondary Phone
4142243737
Graduation Year
2009 (17 years ago)
PAC ID
3870037500
Group Practice PAC ID
5092740985
Professional Enrollment ID
I20240704000509
Address ID
WI532024212MI229XXAVEX402
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience30
Completeness75
Years active:3State licenses:1Digital endpointsOther names

1,447 CLINICAL SOCIAL WORKER in WI

Provider Addresses for KATHRYN HAMM (APSW)

  • 829 E DAKOTA ST

    MILWAUKEE, WI 532072205

    Phone: (414) 426-5257

    Type: Mailing

  • 229 E WISCONSIN AVE STE 600

    MILWAUKEE, WI 532024212

    Phone: (414) 224-3737

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2024-07-04

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20240704000509IClinical Social WorkerWITBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 53207)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 5092740985View full group profile
NameSpecialtyState
P S Y C H I A T R YWI
Clinical PsychologistWI
Clinical Social WorkerWI
Clinical Social WorkerWI
Nurse PractitionerME
Clinical PsychologistWI
Clinical Social WorkerWI
Clinical Social WorkerWI
Clinical Social WorkerWI
Clinical Social WorkerWI

Reviews

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Frequently asked questions

Is there an official ID for KATHRYN HAMM (APSW) in U.S. healthcare records?
The official identifier for KATHRYN HAMM (APSW) is NPI 1891404901.
Is KATHRYN HAMM (APSW) shown as active in public data?
Registry records indicate KATHRYN HAMM (APSW) maintains an active NPI.
What kind of doctor is KATHRYN HAMM (APSW)?
KATHRYN HAMM (APSW) is associated with Clinical Social Worker in the directory — Clinical services aligned with this taxonomy classification.
What practice footprint exists for KATHRYN HAMM (APSW)?
Travel planning: use Milwaukee, Wisconsin as the reference point for KATHRYN HAMM (APSW), then confirm.
Can I trust this NPI listing for KATHRYN HAMM (APSW)?
The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.

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