NPPES file of Aug 9, 2026

William J. Krowinski, MSW PHD

Social Worker · Erie, PA

William J. Krowinski, MSW PHD is a social worker with a practice address in Erie, Pennsylvania, and NPI 1831248822, issued on Jan 9, 2007. Check the license (Pennsylvania CW000854L, 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
1831248822
Name
William J. Krowinski
Credential
MSW PHD
Primary taxonomy
Social Worker 104100000X
License number
CW000854L PA
Self-reported in NPPES; status is on the state search
Practice location
3939 W Ridge RD, Erie, PA 16506
Phone
(814) 835-1122
Enumerated
Jan 9, 2007
Record last updated
Aug 21, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(814) 838-7743
Medicare enrollment
Enrolled (PECOS I20101101001388); 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 social worker records → All 5,063 in Pennsylvania → Look up another NPI →

Also registered at 3939 W Ridge RD

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

  1. Emily Aspden, MPTPhysical Therapist1104979186
  2. Shana Bennett, LCSWClinical Social Worker1730523192
  3. George Capozzoli, M.A.Marriage & Family Therapist1760561237
  4. James Fox, M.A.Clinical Psychologist1871693556
  5. Richard Hahn, PSY.D.Psychologist1407860125
  6. Ann McDonald, M.D.Psychiatry Physician1134178619

Verify William J. Krowinski 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 CW000854L    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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William J. Krowinski among 5,063 social worker records in Pennsylvania

William J. Krowinski, MSW PHD is one of 5,063 social worker records with a practice address in Pennsylvania. 3% 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 7% of them.

  • NPI issued2007 · 7% of these records are older, 88% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 6% of these records are
  • Graduated1973 · median 2013 among the 299 with a school on file
  • Record last updated2014 · 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 104100000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

121 social worker records list a practice address in Erie

They are 121 of the 5,083 NPPES records with a practice address in Erie, and 5,063 social worker records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,063 in Pennsylvania → Every provider in Erie → Social Worker nationwide →

The 8 social worker records with the nearest ZIP codes

  1. Sam Burton, MSW, LSWErie, PA 165061740830330
  2. Tracy Carlini, LSWErie, PA 165061952058349
  3. Jessica Duda, LSWErie, PA 165061689527657
  4. Erica Ferraro, MSW, LSWErie, PA 165061770036055
  5. Deonte Ford, LCSWErie, PA 165061811657893
  6. Michael GustafsonErie, PA 165061700546397
  7. Anna Marhefka, SWErie, PA 165061316618127
  8. Bethenie McCommonsErie, PA 165061285305102

Common questions

What is William J. Krowinski, MSW PHD's NPI number?

William J. Krowinski, MSW PHD's National Provider Identifier (NPI) is 1831248822, issued on Jan 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William J. Krowinski, MSW PHD located?

The NPPES record lists a practice address at 3939 W Ridge RD, Erie, PA, 16506. Phone: (814) 835-1122. Providers update this record themselves, so call before visiting.

How can I verify William J. Krowinski, MSW PHD's license?

NPPES lists Pennsylvania license number CW000854L, 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.