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.
- 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
- Record last updated
- Jun 24, 2026
- Medicare enrollment
- Enrolled (PECOS I20151012002380); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest clinical social worker records → All 13,637 in Illinois → Look up another NPI →
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.
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- Martin Beirne, LCPCProfessional Counselor1649547936
- Sachin Bhalerao, D.O.Psychiatry Physician1083759344
- Marc Browning, PSY.DClinical Psychologist1679887202
- Gina Crovetti, LCPCProfessional Counselor1033740071
- Bradley Cutler, M.D.Psychiatry Physician1477781649
Verify Mary Briegel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 149014227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Briegel among 13,637 clinical social worker records in Illinois
Mary Briegel, 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 2010, is newer than 26% of them.
- NPI issued2010 · 26% of these records are older, 71% newer
- In a Medicare fileYes · 14% of these records are
- In the CMS Doctors and Clinicians fileYes · 21% of these records are
- Graduated1997 · median 2010 among the 2,895 with a school on file
- Record last updated2026 · 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).
307 clinical social worker records list a practice address in Naperville
They are 307 of the 4,634 NPPES records with a practice address in Naperville, and 13,637 clinical social worker records in Illinois.
All 13,637 in Illinois → Every provider in Naperville → Clinical Social Worker nationwide →
The 8 clinical social worker records with the nearest ZIP codes
- Karen Bailey, LCSWNaperville, IL 605631861579120
- Christina Cal Shane, LCSWNaperville, IL 605631699888503
- Glen Cannon, LCPCNaperville, IL 605631588749550
- Laura Discipio, LCSWNaperville, IL 605631942289756
- Lisa Gray, LCSWNaperville, IL 605631831107002
- John Konny, LCSWNaperville, IL 605631992881742
- Lori Lee, LCSWNaperville, IL 605631144314691
- Christian Locke, LCSWNaperville, IL 605631407949720
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 MIPS final 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), 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.