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MATTHEW JOHN MIHALAKIS
NPI 1780287391
Counselor - Mental Health in Dubuque, IA

Active since November 17, 2020PECOS EnrolledAccepts Medicare Assignment
200 MERCY DR STE 200, DUBUQUE, IA 52001(563) 582-0415 Get Directions Write a Review

NPPES record last updated: May 1, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 1, 2024, Nov 17, 2020 (2 updates tracked since 2020).

About Matthew John Mihalakis NPPES

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

MATTHEW JOHN MIHALAKIS (NPI 1780287391) is an individual mental health provider in Dubuque, Iowa, licensed in Iowa (111716) and active in the NPI registry since November 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1780287391
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMATTHEW JOHN MIHALAKIS
Location Address200 MERCY DR STE 200Dubuque, IA 52001-7392
Mailing Address200 Mercy Dr Ste 200Dubuque, IA 52001-7392 · (563) 582-0415
Phone(563) 582-0415
Sole ProprietorYes
Medical School CMSOtherGraduated 2020
Enumeration DateNovember 17, 2020
Last NPPES UpdateMay 1, 20242 updates tracked since enumeration
NPPES CertifiedMay 1, 2024
✔ NPI 1780287391 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in IA · 111716
Also ListedPsychologist · CounselingTaxonomy 103TC1900X
200 MERCY DR STE 200, Dubuque, IA 52001
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan, Ambetter Health 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

Matthew John Mihalakis 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 ID8224489190
PECOS Enrollment IDI20240105000248
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 Matthew Mihalakis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mihalakis Counseling LLC
1.5 mi
Mental Health
2600 DODGE ST STE D4
Dubuque, IA 52003
  • Reassigned Medicare billing, Iowa enrollment
NPI 1639926322 (563) 581-4062

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
67 services14 patients
Psychotherapy, 45 minutes 90834
Psychotherapy is a treatment method where you converse with a therapist about your thoughts, feelings, and behaviors. In a 45-minute session, the therapist assists you in understanding and managing your mental health concerns, improving emotional wellness, and promoting personal growth.
39 services13 patients

Other Providers at the Same Location NPPES 9

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

MRS. KRISTIN CAMILLE NOLEN MA
Counselor
200 MERCY DR STE 200
DUBUQUE, IA 52001
Dubuque County (563) 582-0145
ANTONIA NAAB MSW
Social Worker
200 MERCY DR STE 200
DUBUQUE, IA 52001
Dubuque County (563) 582-0145
LAURA LINN MELBY
Student in an Organized Health Care Education/Training Program
200 MERCY DR STE 200
DUBUQUE, IA 52001
Dubuque County (563) 582-0145
ELIZABETH GONNER
Counselor (Mental Health)
200 MERCY DR STE 200
DUBUQUE, IA 52001
Dubuque County (563) 582-0145
DR. CHRISTINA MCNAMARA DNP
Nurse Practitioner
200 MERCY DR STE 200
DUBUQUE, IA 52001
Dubuque County (563) 582-0145
MARTHA NOWACKI
Counselor (Mental Health)
200 MERCY DR STE 200
DUBUQUE, IA 52001
Dubuque County (563) 582-0145
HEATHER ANDERSON
Social Worker
200 MERCY DR STE 200
DUBUQUE, IA 52001
Dubuque County (563) 582-0145
JESSICA D DUNNE RN
Nurse Practitioner (Psychiatric/Mental Health)
200 MERCY DR STE 200
DUBUQUE, IA 52001
Dubuque County (563) 582-0145

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 Matthew Mihalakis's NPI number?

The NPI number for Matthew Mihalakis is 1780287391. It was assigned to this individual provider in the NPPES registry on November 17, 2020.

Where is Matthew Mihalakis located?

Matthew Mihalakis practices at 200 Mercy Dr Ste 200, Dubuque, IA 52001. The listed phone number is (563) 582-0415.

What is Matthew Mihalakis's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Matthew Mihalakis enrolled in Medicare?

Yes. Matthew Mihalakis 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 Matthew Mihalakis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Mihalakis reassigns Medicare benefits to Mihalakis Counseling LLC (Dubuque, IA). 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 Matthew Mihalakis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Matthew Mihalakis accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and Oscar Health and 3 other insurers list Matthew Mihalakis 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 Matthew Mihalakis was last updated on May 1, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.