NPPES file of Aug 9, 2026

Cooper Wills Kotzan

Social Worker · Boston, MA

Cooper Wills Kotzan is a social worker with a practice address in Boston, Massachusetts, and NPI 1518729771, issued on Jan 24, 2024. Check the license with the Massachusetts 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
1518729771
Name
Cooper Wills Kotzan
Primary taxonomy
Social Worker 104100000X
License number
128937 NY
Self-reported in NPPES; status is on the state search
Practice location
69 Alleghany St, Boston, MA 02120
Phone
(617) 733-0226
Enumerated
Jan 24, 2024
Record last updated
Sep 22, 2025
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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Also registered at 69 Alleghany St

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

  1. Kamilah Braithwaite, EMTCounselor1831536135
  2. Cahrianna FosterCase Manager/Care Coordinator1063362648
  3. Marguerite GravelyCase Manager/Care Coordinator1821724592
  4. Sara KahnCommunity Health Worker1063244226
  5. Analisa SaviniStudent in an Organized Health Care Education/Training Program1831672443
  6. Josie TommasinoCounselor1366082141

Verify Cooper Wills Kotzan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Massachusetts board licenses this professionCheck 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 Massachusetts 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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463 social worker records list a practice address in Boston

They are 463 of the 41,865 NPPES records with a practice address in Boston, and 5,517 social worker records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other social worker records in Massachusetts

  1. Chelsea Aaron, MSW, LCSWStoneham, MA1679129761
  2. Flannery AbbeyCambridge, MA1508604273
  3. Sarah Abbott, LSWFramingham, MA1023168945
  4. Sharon AbdallaSpringfield, MA1538759782
  5. Rana AbdallahCambridge, MA1689220204
  6. Marissa Abdow, LICSWNorth Quincy, MA1548894934
  7. Nicholas AbrahamWorcester, MA1023555208
  8. Betsy AbramsCambridge, MA1639654361
  9. Debra Abrams, LICSWCambridge, MA1508084070
  10. Nancy Abrams, LSWCambridge, MA1477670685

Common questions

What is Cooper Wills Kotzan's NPI number?

Cooper Wills Kotzan's National Provider Identifier (NPI) is 1518729771, issued on Jan 24, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Cooper Wills Kotzan located?

The NPPES record lists a practice address at 69 Alleghany St, Boston, MA, 02120. Phone: (617) 733-0226. Providers update this record themselves, so call before visiting.

How can I verify Cooper Wills Kotzan's license?

Search the Massachusetts 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.

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.