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COLLEEN MICHELLE GROMOWSKI MS,LMFT
NPI 1952475204
Marriage & Family Therapist in Green Bay, WI

Active since November 20, 2006PECOS EnrolledAccepts Medicare Assignment
130 E WALNUT ST, SUITE 706, GREEN BAY, WI 54301(920) 437-8256(920) 437-1188 Get Directions Write a Review

NPPES record last updated: July 19, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Colleen Michelle Gromowski Ms,lmft NPPES

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

COLLEEN MICHELLE GROMOWSKI MS,LMFT (NPI 1952475204) is an individual marriage & family therapist in Green Bay, Wisconsin, licensed in Wisconsin (618-124) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1952475204
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameCOLLEEN MICHELLE GROMOWSKICredential: MS,LMFT
Location Address130 E WALNUT ST, SUITE 706Green Bay, WI 54301-4239
Mailing Address201 Main St Ste 500La Crosse, WI 54601-0716 · (608) 668-4005
Phone(920) 437-8256
Fax(920) 437-1188
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateNovember 20, 2006
Last NPPES UpdateJuly 19, 2022
NPPES CertifiedJuly 19, 2022
✔ NPI 1952475204 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in WI · 618-124
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
130 E WALNUT ST, Green Bay, WI 54301
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Other Identifiers 2

Medicaid43578800WI
Medicaid1952475204WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Dean Health Plan, HealthPartners and more.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

Colleen Michelle Gromowski Ms,lmft 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 ID5092159434
PECOS Enrollment IDI20240214000485
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 Reassignment

Medicare enrollment records show Colleen Gromowski reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nystrom & Associates Counseling Wi., S.C.
168 mi
Mental Health (Including Community Mental Health Center)
201 MAIN ST STE 500
La Crosse, WI 54601
  • Reassigned Medicare billing, Wisconsin enrollment
  • Medicare enrollment name: Nystrom & Associates Counseling Wi Sc
  • 133 clinicians in this Medicare group
NPI 1659977866 (651) 379-1750

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 17

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

ROBYN L RICKERT M.S., L.P.C.
Counselor (Professional)
130 E WALNUT ST, SUITE 406
GREEN BAY, WI 54301
Brown County (920) 884-1187
DANIEL ROBERT HOLSTEAD
Social Worker (Clinical)
130 E WALNUT ST, SUITE 706
GREEN BAY, WI 54301
Brown County (920) 437-8256
PAUL F STRAND LCSW,CADCIII
Psychologist (Addiction (Substance Use Disorder))
130 E WALNUT ST, SUITE 706
GREEN BAY, WI 54301
Brown County (920) 437-8256
DR. KATIE OLBINSKI PSY.D.
Psychologist (Clinical)
130 E WALNUT ST, BELLIN BUILDING, 7TH FLOOR
GREEN BAY, WI 54301
Brown County (920) 437-8256
ROBERT P JOHNSON CICSW
Marriage & Family Therapist
130 E WALNUT ST, SUITE 706
GREEN BAY, WI 54301
Brown County (920) 437-8256
MARILYN BRENNAN LCSW
Social Worker (Clinical)
130 E WALNUT ST, SUITE 706
GREEN BAY, WI 54301
Brown County (920) 437-8256
SHAWN THORNTON BLAKLEY MSE, CADCIII
Counselor (Addiction (Substance Use Disorder))
130 E WALNUT ST, SUITE 706
GREEN BAY, WI 54301
Brown County (920) 437-8256
LORETTA MARY LARKEY MSW
Social Worker (Clinical)
130 E WALNUT ST
GREEN BAY, WI 54301
Brown County (920) 437-8256

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 Colleen Gromowski's NPI number?

The NPI number for Colleen Gromowski is 1952475204. It was assigned to this individual provider in the NPPES registry on November 20, 2006.

Where is Colleen Gromowski located?

Colleen Gromowski practices at 130 E Walnut St Suite 706, Green Bay, WI 54301. The listed phone number is (920) 437-8256.

What is Colleen Gromowski's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Colleen Gromowski enrolled in Medicare?

Yes. Colleen Gromowski 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 organization bills Medicare for Colleen Gromowski's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Colleen Gromowski reassigns Medicare benefits to Nystrom & Associates Counseling Wi., S.C. (La Crosse, WI). The 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 Colleen Gromowski's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Colleen Gromowski accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan, HealthPartners, Quartz and Security Health Plan and 1 other insurer list Colleen Gromowski 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 Colleen Gromowski was last updated on July 19, 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.