Brooke Marsico, PA-C
Physician Assistant · Chicago, IL
Brooke Marsico, PA-C is a physician assistant with a practice address in Chicago, Illinois, and NPI 1861769176, issued on Nov 30, 2011. Check the license (Illinois 85.004183, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Brooke Marsico
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License numbers
- 85.004183 IL
PA8859 MA
0010-14878 NC
29246 NY
50.006861RX OH
Self-reported in NPPES; status is on the state search - Practice location
- 125 S Wacker Dr Ste 300, Chicago, IL 60606
- Phone
- (617) 505-1520
- Enumerated
- Nov 30, 2011
- Record last updated
- May 6, 2026
- Fax
- (617) 928-8401
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 4,926 in Illinois → Look up another NPI →
Also registered at 125 S Wacker Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brooke Marsico in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 85.004183Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average physician assistant in 2024
40 Medicare Part D claims, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Ozempic13 claims
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.
Brooke Marsico among 4,926 physician assistant records in Illinois
Brooke Marsico, PA-C is one of 4,926 physician assistant records with a practice address in Illinois. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 24% of them.
- NPI issued2011 · 24% of these records are older, 73% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2026 · 35% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,445 physician assistant records list a practice address in Chicago
They are 1,445 of the 63,379 NPPES records with a practice address in Chicago, and 4,926 physician assistant records in Illinois.
All 4,926 in Illinois → Every provider in Chicago → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
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- Lysette McNerney, PAChicago, IL 606061790562585
- Katherine Studer, DMSC, PA-CChicago, IL 606061952017857
- Krista Wunsch, PA-CChicago, IL 606061811510506
- Elizabeth Yost, PA-CChicago, IL 606061205495413
- Megan Becker, PA-CChicago, IL 606071255813788
- Kacey Dayton, PA-CChicago, IL 606071861650319
Common questions
What is Brooke Marsico, PA-C's NPI number?
Brooke Marsico, PA-C's National Provider Identifier (NPI) is 1861769176, issued on Nov 30, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Brooke Marsico, PA-C located?
The NPPES record lists a practice address at 125 S Wacker Dr Ste 300, Chicago, IL, 60606. Phone: (617) 505-1520. Providers update this record themselves, so call before visiting.
How can I verify Brooke Marsico, PA-C's license?
NPPES lists Illinois license number 85.004183, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Brooke Marsico, PA-C prescribe under Medicare Part D?
In 2024, Brooke Marsico, PA-C had 40 Medicare Part D claims; the average among physician assistant prescribers was 830. 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.