NPPES file of Aug 9, 2026

Tamika P. Washington, LCSW

Clinical Social Worker · Oak Brook, IL

Tamika P. Washington, LCSW is a clinical social worker with a practice address in Oak Brook, Illinois, and NPI 1023690161, issued on Apr 27, 2021. Check the license (Illinois 149.022720, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023690161
Name
Tamika P. Washington
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149.022720 IL
Self-reported in NPPES; status is on the state search
Practice location
1415 West 22ND Street, Tower Floor, Oak Brook, IL 60523
Phone
(708) 689-9545
Enumerated
Apr 27, 2021
Record last updated
Feb 2, 2024
Medicare enrollment
Enrolled (PECOS I20220806000702); 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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Verify Tamika P. Washington in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 149.022720
    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 Illinois 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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Bills Medicare through one group practice

  1. Vitae Health Medical Illinois, PLLCHillside, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Tamika P. Washington among 13,637 clinical social worker records in Illinois

Tamika P. Washington, LCSW is one of 13,637 clinical social worker records with a practice address in Illinois. 14% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 69% of them.

  • NPI issued2021 · 69% of these records are older, 25% newer
  • In a Medicare fileYes · 14% of these records are
  • In the CMS Doctors and Clinicians fileYes · 21% of these records are
  • Graduated2015 · median 2010 among the 2,895 with a school on file
  • Record last updated2024 · 54% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

94 clinical social worker records list a practice address in Oak Brook

They are 94 of the 950 NPPES records with a practice address in Oak Brook, and 13,637 clinical social worker records in Illinois.

The 8 clinical social worker records with the nearest ZIP codes

  1. Mary Anstiss, LCPCOak Brook, IL 605231508954868
  2. Martha Cook, M.S.W.Oak Brook, IL 605231457402810
  3. Deborah Fullilove, LCSWOak Brook, IL 605231306934518
  4. Tonya Gilkerson-Sobol, LCSWOak Brook, IL 605231447270673
  5. Leslie Gum, LCSWOak Brook, IL 605231437239027
  6. Jennifer Hassler, LCSWOak Brook, IL 605231487742557
  7. Ron Jordan, LCSWOak Brook, IL 605231689762767
  8. Hans Lonnroth, LCSWOak Brook, IL 605231518966365

Common questions

What is Tamika P. Washington, LCSW's NPI number?

Tamika P. Washington, LCSW's National Provider Identifier (NPI) is 1023690161, issued on Apr 27, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Tamika P. Washington, LCSW located?

The NPPES record lists a practice address at 1415 West 22ND Street, Tower Floor, Oak Brook, IL, 60523. Phone: (708) 689-9545. Providers update this record themselves, so call before visiting.

How can I verify Tamika P. Washington, LCSW's license?

NPPES lists Illinois license number 149.022720, as entered by the provider. 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. Medicare files from data.cms.gov. 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.