NPPES file of Aug 9, 2026

Virginia T. Koster, MSW

Clinical Social Worker · Ypsilanti, MI

Virginia T. Koster, MSW is a clinical social worker with a practice address in Ypsilanti, Michigan, and NPI 1366595027, issued on Jan 18, 2007. Check the license (Michigan 1649741, as entered in NPPES) with the Michigan 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
1366595027
Name
Virginia T. Koster
Credential
MSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
1649741 MI
Self-reported in NPPES; status is on the state search
Practice location
555 Towner St, Ypsilanti, MI 48198
Phone
(734) 544-3082
Enumerated
Jan 18, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(734) 544-6732
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 clinical social worker records → All 17,644 in Michigan → Look up another NPI →

Also registered at 555 Towner St

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

  1. Charles Achatz, RNRegistered Nurse1417103748
  2. Cristobal AcostaPeer Specialist1023862596
  3. Nicole AdairCase Manager/Care Coordinator1952874646
  4. Regina AddingtonSocial Worker1083361182
  5. Kalilan Alhousseini Goga Tambari, NIAMEYCommunity Health Worker1144198144
  6. Brandy Allen, R.N.Adult Psychiatric/Mental Health Registered Nurse1114271004

Verify Virginia T. Koster 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 1649741    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

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Virginia T. Koster among 17,644 clinical social worker records in Michigan

Virginia T. Koster, MSW 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 not. Its NPI, issued in 2007, is newer than 9% of them.

  • NPI issued2007 · 9% of these records are older, 82% newer
  • In a Medicare fileNo · 14% of these records are
  • In the CMS Doctors and Clinicians fileNo · 20% of these records are
  • Record last updated2007 · 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).

255 clinical social worker records list a practice address in Ypsilanti

They are 255 of the 3,625 NPPES records with a practice address in Ypsilanti, and 17,644 clinical social worker records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 17,644 in Michigan → Every provider in Ypsilanti → Clinical Social Worker nationwide →

The 8 clinical social worker records with the nearest ZIP codes

  1. Jill Anderson, LMSWYpsilanti, MI 481981457391419
  2. Cathryn Antkowiak-Howard, LMSW,CAC1Ypsilanti, MI 481981720114150
  3. Marlene Atkins, LCSWYpsilanti, MI 481981114093994
  4. Laura Burns, LMSWYpsilanti, MI 481981457481061
  5. Laura Fucek, LMSWYpsilanti, MI 481981255467338
  6. Larry Galligan, LMSWYpsilanti, MI 481981457487522
  7. Donnette Joseph, LMSWYpsilanti, MI 481981700910361
  8. Jennifer Lafeldt, LMSWYpsilanti, MI 481981962533133

Common questions

What is Virginia T. Koster, MSW's NPI number?

Virginia T. Koster, MSW's National Provider Identifier (NPI) is 1366595027, issued on Jan 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Virginia T. Koster, MSW located?

The NPPES record lists a practice address at 555 Towner St, Ypsilanti, MI, 48198. Phone: (734) 544-3082. Providers update this record themselves, so call before visiting.

How can I verify Virginia T. Koster, MSW's license?

NPPES lists Michigan license number 1649741, as entered by the provider. Search the Michigan 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.