NPPES file of Aug 9, 2026

Diana Cosajay, MSW

Social Worker · Cicero, IL

Diana Cosajay, MSW is a social worker with a practice address in Cicero, Illinois, and NPI 1336923184, issued on Aug 22, 2023. Check the license with the Illinois 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
1336923184
Name
Diana Cosajay
Credential
MSW
Primary taxonomy
Social Worker 104100000X
Practice location
5341 W Cermak RD, Cicero, IL 60804
Phone
(708) 656-6439
Enumerated
Aug 22, 2023
Record last updated
Aug 22, 2023
Fax
(708) 656-6591
Medicaid ID
1831119767 IL
Medicare enrollment
Enrolled (PECOS I20260113000018); may accept 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 5,881 in Illinois → Look up another NPI →

Also registered at 5341 W Cermak RD

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

  1. Lily Alatorre, B.S.Mental Health Counselor1295977270
  2. Kathleen Allen, LCPCProfessional Counselor1780795948
  3. Kaina AriasStudent in an Organized Health Care Education/Training Program1811569700
  4. Marisol ArreolaMental Health Counselor1154884013
  5. Eddy BarajasMental Health Counselor1487148730
  6. Roxana Barranco LopezStudent in an Organized Health Care Education/Training Program1871479295

Verify Diana Cosajay in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois 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
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Diana Cosajay among 5,881 social worker records in Illinois

Diana Cosajay, MSW is one of 5,881 social worker records with a practice address in Illinois. 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 2023, is newer than 58% of them.

  • NPI issued2023 · 58% of these records are older, 32% newer
  • In a Medicare fileNo · 3% of these records are
  • In the CMS Doctors and Clinicians fileYes · 5% of these records are
  • Graduated2023 · median 2018 among the 300 with a school on file
  • Record last updated2023 · 40% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

20 social worker records list a practice address in Cicero

They are 20 of the 380 NPPES records with a practice address in Cicero, and 5,881 social worker records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 5,881 in Illinois → Every provider in Cicero → Social Worker nationwide →

The 8 social worker records with the nearest ZIP codes

  1. Amalia Andrade, MSWCicero, IL 608041417040148
  2. Mireya Barajas, MSWCicero, IL 608041710642285
  3. Daniela Barrios MorelloCicero, IL 608041356916381
  4. Pamela Benitez, MSWCicero, IL 608041790406981
  5. Xiomara Clanton, LCSWCicero, IL 608041578750501
  6. Katelynn CraftCicero, IL 608041396430054
  7. Nicole Espinoza, M.S.W.Cicero, IL 608041417399247
  8. Stephanie Feliciano, LCSWCicero, IL 608041376954297

Common questions

What is Diana Cosajay, MSW's NPI number?

Diana Cosajay, MSW's National Provider Identifier (NPI) is 1336923184, issued on Aug 22, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Diana Cosajay, MSW located?

The NPPES record lists a practice address at 5341 W Cermak RD, Cicero, IL, 60804. Phone: (708) 656-6439. Providers update this record themselves, so call before visiting.

How can I verify Diana Cosajay, MSW's license?

Search the Illinois 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.