NPPES file of Aug 9, 2026

Landmark Therapy PLLC in Southfield, MI

This location of Landmark Therapy bills under NPI 1629836606, an organization record issued on Mar 13, 2024 with the primary taxonomy Clinical Social Worker. It is one of 2 NPIs registered under this name and one of 2 in Southfield; each clinician who sees you there has their own NPI and license.

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

Organization recordNPPES, Aug 2026
1629836606
Legal name
Landmark Therapy PLLC
Entity
Type 2 · organization
Primary taxonomy
Clinical Social Worker 1041C0700X
Practice location
26677 W 12 MILE RD, Southfield, MI 48034
Phone
248-581-0598
Enumerated
Mar 13, 2024
Record updated
Mar 13, 2024
Authorized official
Owner (title as filed)
Public record from the NPPES NPI Registry (open it on CMS). An NPI identifies who bills; it is not a facility license.

The other Southfield NPI

  1. Landmark Therapy LLC28330 FRANKLIN RIVER DR · issued Jun 6, 20181225520133

2 clinicians CMS lists with Landmark Therapy in Southfield

  1. Richard Mastroianni, LCSWClinical Social Worker1629116181
  2. Kristen Shepherd, LCSWClinical Social Worker1255831558

Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.

All 2 Landmark Therapy NPIs

Every location registered under this name, in 1 city.

See every location

Checking an organization

  1. Confirm the business with the Michigan secretary of state.
  2. Check the HHS-OIG exclusion list for the organization.
  3. Verify each clinician on their own record and the state license search.

Common questions

Is an organization NPI a license?

No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.

Which Southfield NPI should I use?

Ask the office which NPI it bills under; all 2 Southfield NPIs are registered under the same name.

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