NPPES file of Aug 9, 2026

Brianne Nicole Lacy, MD

Neurology Physician · Chicago, IL

Brianne Nicole Lacy, MD is a neurology physician with a practice address in Chicago, Illinois, and NPI 1659062578, issued on May 19, 2023. Check the license (Illinois 125081825, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1659062578
Name
Brianne Nicole Lacy
Credential
MD
Primary taxonomy
Neurology Physician 2084N0400X
License number
125081825 IL
Self-reported in NPPES; status is on the state search
Practice location
600 S Paulina St Ste 403, Chicago, IL 60612
Phone
(312) 942-0312
Enumerated
May 19, 2023
Record last updated
May 19, 2023
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 600 S Paulina St Ste 403

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

  1. Sarah Abdel-HadiDiagnostic Radiology Physician1932846490
  2. Leena Abu-Zahra, MDInternal Medicine Physician1861295867
  3. Addis AbubakarStudent in an Organized Health Care Education/Training Program1508613068
  4. Alexander Acuna, MDOrthopaedic Surgery Physician1508501487
  5. Jonathan Adams, MDPediatrics Physician1427816420
  6. Oluwatosin AdebayoStudent in an Organized Health Care Education/Training Program1306574645

Verify Brianne Nicole Lacy in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 125081825
    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
Open 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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

97% fewer Medicare Part D claims than the average neurology physician in 2024

40 Medicare Part D claims for 18 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D.

  1. Brianne Lacy40
  2. Specialty average1,370

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Brianne Nicole Lacy among 952 neurology physician records in Illinois

Brianne Nicole Lacy, MD is one of 952 neurology physician records with a practice address in Illinois. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 88% of them.

  • NPI issued2023 · 88% of these records are older, 8% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2023 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in Illinois

There are 952 neurology physician records in Illinois.

The 8 neurology physician records with the nearest ZIP codes

  1. Antoaneta Balabanov, MDChicago, IL 606121770578304
  2. Joshua Baron, MDChicago, IL 606121336112523
  3. Donna Bergen, MDChicago, IL 606121548256357
  4. Michael Carrithers, MDChicago, IL 606121073595427
  5. Cynthia Comella, MDChicago, IL 606121588640940
  6. Jacob Fox, MDChicago, IL 606121841242716
  7. Christopher Goetz, MDChicago, IL 606121124004585
  8. Michael Kelly, MDChicago, IL 606121558329086

Common questions

What is Brianne Nicole Lacy, MD's NPI number?

Brianne Nicole Lacy, MD's National Provider Identifier (NPI) is 1659062578, issued on May 19, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Brianne Nicole Lacy, MD located?

The NPPES record lists a practice address at 600 S Paulina St Ste 403, Chicago, IL, 60612. Phone: (312) 942-0312. Providers update this record themselves, so call before visiting.

How can I verify Brianne Nicole Lacy, MD's license?

NPPES lists Illinois license number 125081825, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Brianne Nicole Lacy, MD prescribe under Medicare Part D?

In 2024, Brianne Nicole Lacy, MD had 40 Medicare Part D claims for 18 beneficiaries; the average among neurology physician prescribers was 1,370. Part D covers Medicare prescriptions 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.