Registry data as of Aug 27, 2026

Mary Briegel, LCSW

Clinical Social Worker · Naperville, IL

Mary Briegel, LCSW is a clinical social worker with a practice address in Naperville, Illinois, and NPI 1417269077, issued on Jul 11, 2010. Check the license (Illinois 149014227, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1417269077
Name
Mary Briegel
Credential
LCSW
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
149014227 IL
Self-reported in NPPES; status is on the state search
Practice location
1335 N Mill St Ste 100, Naperville, IL 60563
Phone
(630) 646-8000
Enumerated
Jul 11, 2010
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.
Download card Updates feed

Also registered at 1335 N Mill St Ste 100

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

  1. Courtney Alvarez, APN-CNPNurse Practitioner1841784139
  2. Martin Beirne, LCPCProfessional Counselor1649547936
  3. Sachin Bhalerao, D.O.Psychiatry Physician1083759344
  4. Marc Browning, PSY.DClinical Psychologist1679887202
  5. Gina Crovetti, LCPCArt Therapist1033740071
  6. Bradley Cutler, M.D.Psychiatry Physician1477781649

Verify Mary Briegel 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 149014227
    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.

The Medicare quality score for 2023: 91.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.7
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

One hospital or facility affiliation

  1. Endeavor Health Medical GroupEvanston, IL

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

278 clinical social worker records list a Naperville practice address

They are 278 of the 4,634 NPPES records with a Naperville practice address, and 12,605 clinical social worker records in Illinois.

Other clinical social worker records in Illinois

  1. Leah A' Hearn, LCSWSavoy, IL1124790829
  2. Bruce AaronChicago, IL1013069087
  3. Marcus Abate, MSWAurora, IL1679904767
  4. Nadia Abbas, LCSWChicago, IL1578176400
  5. Trisha Abbey, LCSWPalatine, IL1477970176
  6. Mary Abbott, LCSWElgin, IL1073787685
  7. Susan Abbott, LCSWOak Park, IL1235456930
  8. Ghada AbdallaChampaign, IL1235015553
  9. Amer Abdulghafoor, MSW, MS, PA-CChicago, IL1619401718
  10. Samella Abdullah, PH.D.Chicago, IL1356404263

Common questions

What is Mary Briegel, LCSW's NPI number?

Mary Briegel, LCSW's National Provider Identifier (NPI) is 1417269077, issued on Jul 11, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Mary Briegel, LCSW located?

The NPPES record lists a practice address at 1335 N Mill St Ste 100, Naperville, IL, 60563. Phone: (630) 646-8000. Providers update this record themselves, so call before visiting.

How can I verify Mary Briegel, LCSW's license?

NPPES lists Illinois license number 149014227, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

What is Mary Briegel, LCSW's Medicare quality score?

The 2023 MIPS final score is 91.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.