NPPES file of Aug 9, 2026

Shannon L. Ritzert, LSW

Clinical Social Worker · Greenville, PA

Shannon L. Ritzert, LSW is a clinical social worker with a practice address in Greenville, Pennsylvania, and NPI 1639137433, issued on May 2, 2006. Check the license (Pennsylvania CW016036, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1639137433
Name
Shannon L. Ritzert
Credential
LSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
CW016036 PA
Self-reported in NPPES; status is on the state search
Practice location
348 Main St, Greenville, PA 16125
Phone
(724) 588-7814
Enumerated
May 2, 2006
Record last updated
Aug 28, 2025
Fax
(724) 588-7986
Medicare enrollment
Enrolled (PECOS I20080909000332); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest clinical social worker records → All 7,830 in Pennsylvania → Look up another NPI →

Also registered at 348 Main St

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

  1. Melanie Broadwater, MAProfessional Counselor1831360833
  2. Noelle Calvin, LCSWClinical Social Worker1053276204
  3. Michelle Floch, RDHDental Hygienist1710687207
  4. Joyce Hart, LCSWClinical Social Worker1760457782
  5. Lynne Johnson, M.D.Pediatrics Physician1225004336
  6. Scott Joyce, CRNPFamily Nurse Practitioner1366425829

Verify Shannon L. Ritzert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license CW016036    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 Pennsylvania 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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Bills Medicare through one group practice

  1. Richard HoffmanGreensburg, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Shannon L. Ritzert among 7,830 clinical social worker records in Pennsylvania

Shannon L. Ritzert, LSW is one of 7,830 clinical social worker records with a practice address in Pennsylvania. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.

  • NPI issued2006 · 2% of these records are older, 83% newer
  • In a Medicare fileYes · 16% of these records are
  • In the CMS Doctors and Clinicians fileYes · 24% of these records are
  • Graduated2002 · median 2007 among the 1,888 with a school on file
  • Record last updated2025 · 53% 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 Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

5 clinical social worker records list a practice address in Greenville

They are 5 of the 242 NPPES records with a practice address in Greenville, and 7,830 clinical social worker records in Pennsylvania.

All 7,830 in Pennsylvania → Every provider in Greenville → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Noelle Calvin, LCSWGreenville, PA 161251053276204
  2. Joyce Hart, LCSWGreenville, PA 161251760457782
  3. Michael SantilliGreenville, PA 161251801207535
  4. Lisa YoungGreenville, PA 161251083050306
  5. Susan Burke, LCSWGrove City, PA 161271346241379
  6. Melinda CollmusGrove City, PA 161271245231273
  7. Beatrice Heck, LCSWGrove City, PA 161271528055530
  8. Anna Leadem, LCSWGrove City, PA 161271003806894

Common questions

What is Shannon L. Ritzert, LSW's NPI number?

Shannon L. Ritzert, LSW's National Provider Identifier (NPI) is 1639137433, issued on May 2, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Shannon L. Ritzert, LSW located?

The NPPES record lists a practice address at 348 Main St, Greenville, PA, 16125. Phone: (724) 588-7814. Providers update this record themselves, so call before visiting.

How can I verify Shannon L. Ritzert, LSW's license?

NPPES lists Pennsylvania license number CW016036, as entered by the provider. Search the Pennsylvania 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. Medicare files from data.cms.gov. 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.