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MICHELLE GROSSMAN MUILENBERG LICSW
NPI 1922959568
Social Worker in St Louis Park, MN

Active since February 09, 2026PECOS Enrolled
3800 PARK NICOLLET BLVD, ST LOUIS PARK, MN 55416(952) 993-3123 Get Directions Write a Review

NPPES record last updated: March 3, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Michelle Grossman Muilenberg Licsw NPPES

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

MICHELLE GROSSMAN MUILENBERG LICSW (NPI 1922959568) is an individual social worker in St Louis Park, Minnesota, licensed in Minnesota (11400) and active in the NPI registry since February 2026. She is enrolled in Medicare PECOS, maintains a secondary practice location in Stillwater, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1922959568
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMICHELLE GROSSMAN MUILENBERGCredential: LICSW
Location Address3800 PARK NICOLLET BLVDSt Louis Park, MN 55416-2527
Mailing Address8170 33rd Ave S # Ms 21110qBloomington, MN 55425-4516
Phone(952) 993-3123
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateFebruary 9, 2026
Last NPPES UpdateMarch 3, 2026
NPPES CertifiedMarch 3, 2026
✔ NPI 1922959568 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MN · 11400
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.
Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 11400 (MN)
3800 PARK NICOLLET BLVD, St Louis Park, MN 55416
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Secondary Practice Location 1

Location 11500 Curve Crest Blvd WStillwater, MN 55082-6040 · Phone (651) 439-1234

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Michelle Grossman Muilenberg Licsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8123502366
PECOS Enrollment IDI20260325002029
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 Michelle Muilenberg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Park Nicollet Clinic
Same address
Family Medicine
3800 PARK NICOLLET BLVD
St Louis Park, MN 55416
  • Reassigned Medicare billing, Minnesota enrollment
  • 2,527 clinicians in this Medicare group
NPI 1063897593 (952) 993-3123
Group Health, Inc.
2.2 mi
General Practice
5100 GAMBLE DR, STE 100
St Louis Park, MN 55416
  • Reassigned Medicare billing, Minnesota enrollment
  • 2,274 clinicians in this Medicare group
NPI 1053466128 (952) 593-0779

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.

PETER MCCORMICK SCHAUB PSYD, LP
Psychologist
3800 PARK NICOLLET BLVD
ST LOUIS PARK, MN 55416
Hennepin County (952) 993-3123
DAVID J NUTZ MD
Physical Medicine & Rehabilitation
3800 PARK NICOLLET BLVD
ST LOUIS PARK, MN 55416
Hennepin County (952) 993-3800
GLENN MATFIN M.D.
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3800 PARK NICOLLET BLVD
MINNEAPOLIS, MN 55416
Hennepin County (952) 993-3048
KELLY C GRECO PAC
Physician Assistant
3800 PARK NICOLLET BLVD, DEPARTMENT OF DERMATOLOGY
ST LOUIS PARK, MN 55416
Hennepin County (952) 993-3260
KARLA SUSAN ROSENMAN MD
Dermatology
3800 PARK NICOLLET BLVD, DERMATOLOGY 4TH FLOOR
ST LOUIS PARK, MN 55416
Hennepin County (952) 993-3821
DR. KRISTIN A KUNZMAN PSY.D.
Psychologist (Clinical)
3800 PARK NICOLLET BLVD
ST LOUIS PARK, MN 55416
Hennepin County (952) 993-3393
DR. ALISON M LANG M.D.
Dermatology
3800 PARK NICOLLET BLVD
ST LOUIS PARK, MN 55416
Hennepin County (952) 993-3789
DR. CHUNG M LEE M.D.
Radiology (Diagnostic Radiology)
3800 PARK NICOLLET BLVD
ST LOUIS PARK, MN 55416
Hennepin County (952) 993-3212

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 Michelle Muilenberg's NPI number?

The NPI number for Michelle Muilenberg is 1922959568. It was assigned to this individual provider in the NPPES registry on February 9, 2026.

Where is Michelle Muilenberg located?

Michelle Muilenberg practices at 3800 Park Nicollet Blvd, St Louis Park, MN 55416. The listed phone number is (952) 993-3123.

What is Michelle Muilenberg's specialty?

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

Is Michelle Muilenberg enrolled in Medicare?

Yes. Michelle Muilenberg is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Michelle Muilenberg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michelle Muilenberg reassigns Medicare benefits to 2 organizations: Park Nicollet Clinic (St Louis Park, MN) and Group Health, Inc. (St Louis Park, MN). 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 Michelle Muilenberg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Michelle Muilenberg was last updated on March 3, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.