MATTHEW AARON LASSLO – Counselor, NPI 1003426545

MATTHEW AARON LASSLO is a healthcare provider. based in Page, Arizona. specializing in MENTAL HEALTH COUNSELOR. They hold a License No. LAC-17209 (AZ). The NPI Number for MATTHEW AARON LASSLO is 1003426545

Main info

Male
10 Years Of Experience
Accepts Medicare Assignment
Name
MATTHEW AARON LASSLO
NPI
1003426545
Phone
(928) 645-5113
Address
PO BOX 790
Enumeration Date
7 August 2020
Last Update Date
7 August 2020

Doctor Profile

Medical School Name
OTHER
Secondary Phone
8017930143
Graduation Year
2016 (10 years ago)
PAC ID
9436501657
Group Practice PAC ID
0042542706
Professional Enrollment ID
I20240123003140
Address ID
AZ860210418CO20XXXSTXX400
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience34
Completeness75
Years active:5State licenses:1Digital endpointsOther names

856 MENTAL HEALTH COUNSELOR in AZ

Provider Addresses for MATTHEW AARON LASSLO

  • PO BOX 790

    PAGE, AZ 860400790

    Phone: (928) 645-5113

    Fax: (928) 645-3254

    Type: Mailing

  • 463 S LAKE POWELL BLVD

    PAGE, AZ 860400856

    Phone: (928) 645-5113

    Fax: (928) 645-3254

    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: 2024-01-23

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
I20240123003140IMental Health CounselorAZTBD

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 86040)

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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: 0042542706View full group profile
NameSpecialtyState
Nurse PractitionerAZ
Clinical Social WorkerUT
-UT
Physician AssistantUT
Clinical PsychologistAZ
Nurse PractitionerAZ
Physician AssistantOR
Family PracticeMN
C H I R O P R A C T I CUT
Nurse PractitionerUT

Reviews

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Frequently asked questions

What NPI should I save for MATTHEW AARON LASSLO?
Save NPI 1003426545 if you need a stable reference for MATTHEW AARON LASSLO.
Is MATTHEW AARON LASSLO currently active in the NPI registry?
CMS-published data lists MATTHEW AARON LASSLO as an active registrant.
What kind of provider is MATTHEW AARON LASSLO?
The page reflects Counselor for MATTHEW AARON LASSLO. Clinical services aligned with this taxonomy classification.
Where does public data place MATTHEW AARON LASSLO?
The snapshot lists Page, Arizona for MATTHEW AARON LASSLO; download NPPES for the complete set.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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