NPPES file of Aug 9, 2026

William G. Letwinsky, MSW, LSW

Mental Health Counselor · Scranton, PA

William G. Letwinsky, MSW, LSW is a mental health counselor with a practice address in Scranton, Pennsylvania, and NPI 1376689190, issued on Jan 29, 2007. Check the license (Pennsylvania SW000405E, as entered in NPPES) with the Pennsylvania 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
1376689190
Name
William G. Letwinsky
Credential
MSW, LSW
Primary taxonomy
Mental Health Counselor 101YM0800X
License number
SW000405E PA
Self-reported in NPPES; status is on the state search
Practice location
700 Quincy Ave, Scranton, PA 18510
Phone
(570) 340-2147
Enumerated
Jan 29, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(570) 340-2150
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 mental health counselor records → All 10,019 in Pennsylvania → Look up another NPI →

Also registered at 700 Quincy Ave

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

  1. Stephanie BartlettPhysician Assistant1538830872
  2. Renee Beecham, RPHPharmacist1629168950
  3. Susan Bistarkey, CRNACertified Registered Nurse Anesthetist1215977228
  4. Michelle BoyleCertified Registered Nurse Anesthetist1831169440
  5. Elizabeth Buchanan, PA-CMedical Physician Assistant1942970140
  6. Michele Catalano-Musheno, RPHPharmacotherapy Pharmacist1689782419

Verify William G. Letwinsky 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 SW000405E    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

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William G. Letwinsky among 10,019 mental health counselor records in Pennsylvania

William G. Letwinsky, MSW, LSW is one of 10,019 mental health counselor records with a practice address in Pennsylvania. 4% 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 2007, is newer than 4% of them.

  • NPI issued2007 · 4% of these records are older, 91% newer
  • In a Medicare fileNo · 4% of these records are
  • In the CMS Doctors and Clinicians fileNo · 7% of these records are
  • Record last updated2007 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

113 mental health counselor records list a practice address in Scranton

They are 113 of the 2,695 NPPES records with a practice address in Scranton, and 10,019 mental health counselor records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 10,019 in Pennsylvania → Every provider in Scranton → Mental Health Counselor nationwide →

The 8 mental health counselor records with the nearest ZIP codes

  1. David Brolan, PHD, LCSW, CEAPDunmore, PA 185101902957137
  2. Cassandra HawDunmore, PA 185101821925629
  3. Doris Lipinski, LSWDunmore, PA 185101306042205
  4. Larissa Schwass, PHD,NCC,LPCDunmore, PA 185101457631335
  5. Lauren WallaceScranton, PA 185101447066949
  6. Marquis BaskervilleScranton, PA 185091295623395
  7. Joseph CastaldoScranton, PA 185091518820836
  8. Aleah CurryScranton, PA 185091548129802

Common questions

What is William G. Letwinsky, MSW, LSW's NPI number?

William G. Letwinsky, MSW, LSW's National Provider Identifier (NPI) is 1376689190, issued on Jan 29, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William G. Letwinsky, MSW, LSW located?

The NPPES record lists a practice address at 700 Quincy Ave, Scranton, PA, 18510. Phone: (570) 340-2147. Providers update this record themselves, so call before visiting.

How can I verify William G. Letwinsky, MSW, LSW's license?

NPPES lists Pennsylvania license number SW000405E, 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. 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.