NPPES file of Aug 9, 2026

Matthew Grochowski, LPC

Professional Counselor · Wauwatosa, WI

Matthew Grochowski, LPC is a professional counselor with a practice address in Wauwatosa, Wisconsin, and NPI 1619503232, issued on Mar 15, 2020. Check the license (Wisconsin 7666-125, as entered in NPPES) with the Wisconsin board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619503232
Name
Matthew Grochowski
Credential
LPC
Primary taxonomy
Professional Counselor 101YP2500X
License number
7666-125 WI
Self-reported in NPPES; status is on the state search
Practice location
2600 N Mayfair RD Ste 650, Wauwatosa, WI 53226
Phone
(414) 771-9304
Enumerated
Mar 15, 2020
Record last updated
Mar 15, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest professional counselor records → All 4,459 in Wisconsin → Look up another NPI →

Also registered at 2600 N Mayfair RD Ste 650

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jordan Chevako, MAProfessional Counselor1154898252
  2. Stacy Dunning, LCSWClinical Social Worker1164869269
  3. Bernard Fluhr, LCSW, LMFTClinical Social Worker1770603847
  4. Laura Gray, LPC, MSNProfessional Counselor1760508113
  5. Isabel Hanes, LPC-ITMental Health Counselor1417842394
  6. Denisse HernandezProfessional Counselor1720945140

Verify Matthew Grochowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 7666-125    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Matthew Grochowski among 4,459 professional counselor records in Wisconsin

Matthew Grochowski, LPC is one of 4,459 professional counselor records with a practice address in Wisconsin. 21% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2020, is newer than 63% of them.

  • NPI issued2020 · 63% of these records are older, 32% newer
  • In a Medicare fileNo · 21% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2020 · 43% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YP2500X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

114 professional counselor records list a practice address in Wauwatosa

They are 114 of the 1,787 NPPES records with a practice address in Wauwatosa, and 4,459 professional counselor records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 4,459 in Wisconsin → Every provider in Wauwatosa → Professional Counselor nationwide →

The 8 professional counselor records with the nearest ZIP codes

  1. Curt Ammel, LPCWauwatosa, WI 532261992720825
  2. Debra Cesario, LPCWauwatosa, WI 532261699839290
  3. Kerry Christopher, LPCWauwatosa, WI 532261457405607
  4. Carrie Danhieux-Poole, LPCMilwaukee, WI 532261922149731
  5. Leslie Fischer, LPCMilwaukee, WI 532261437302569
  6. Janice Gnas, MS.MBA.LPC.NCC.BCCMilwaukee, WI 532261487714705
  7. Laura Gray, LPC, MSNWauwatosa, WI 532261760508113
  8. Daniel Hrobsky, LPCWauwatosa, WI 532261427065770

Common questions

What is Matthew Grochowski, LPC's NPI number?

Matthew Grochowski, LPC's National Provider Identifier (NPI) is 1619503232, issued on Mar 15, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Matthew Grochowski, LPC located?

The NPPES record lists a practice address at 2600 N Mayfair RD Ste 650, Wauwatosa, WI, 53226. Phone: (414) 771-9304. Providers update this record themselves, so call before visiting.

How can I verify Matthew Grochowski, LPC's license?

NPPES lists Wisconsin license number 7666-125, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.