NPPES file of Aug 9, 2026

Percy Key, CSW

Clinical Social Worker · Southfield, MI

Percy Key, CSW is a clinical social worker with a practice address in Southfield, Michigan, and NPI 1821098849, issued on Aug 1, 2005. Check the license (Michigan 6801015182, as entered in NPPES) with the Michigan board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1821098849
Name
Percy Key
Credential
CSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
6801015182 MI
Self-reported in NPPES; status is on the state search
Practice location
20540 Winchester St., Southfield, MI 48076
Phone
(248) 357-0029
Enumerated
Aug 1, 2005
Record last updated
Jul 13, 2026
Fax
(248) 357-0194
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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Verify Percy Key in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Michigan board licenses this profession
    Search for license 6801015182
    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 Michigan 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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The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score90.0
  2. Costout of 100 · 30%92.5
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Percy Key among 17,644 clinical social worker records in Michigan

Percy Key, CSW is one of 17,644 clinical social worker records with a practice address in Michigan. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, over 99% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileNo · 20% of these records are
  • Record last updated2026 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1041C0700X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

438 clinical social worker records list a practice address in Southfield

They are 438 of the 5,689 NPPES records with a practice address in Southfield, and 17,644 clinical social worker records in Michigan.

The 8 clinical social worker records with the nearest ZIP codes

  1. Jamie Bodenhafer, L.M.S.W.Lathrup Village, MI 480761508909532
  2. James Cowley, MSW CSW SAPSouthfield, MI 480761316097488
  3. Gaynella Jackson, LMSWSouthfield, MI 480761154445138
  4. Z.wendy Karougian-Moore, LCSWSouthfield, MI 480761144234014
  5. Jeffrey King, LMSWSouthfield, MI 480761467413856
  6. Ruby Kushner, MSWSouthfield, MI 480761790826444
  7. Sharon Martin, LMSW, ACSWSouthfield, MI 480761316084486
  8. Leslie Nilsson, M.S.W.Southfield, MI 480761588717599

Common questions

What is Percy Key, CSW's NPI number?

Percy Key, CSW's National Provider Identifier (NPI) is 1821098849, issued on Aug 1, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Percy Key, CSW located?

The NPPES record lists a practice address at 20540 Winchester St., Southfield, MI, 48076. Phone: (248) 357-0029. Providers update this record themselves, so call before visiting.

How can I verify Percy Key, CSW's license?

NPPES lists Michigan license number 6801015182, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.

What is Percy Key, CSW's MIPS final score?

The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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

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.