Merryjean Losso, M.D.
Vascular Neurology Physician · Chicago, IL
Merryjean Losso, M.D. is a vascular neurology physician with a practice address in Chicago, Illinois, and NPI 1174186027, issued on Apr 17, 2019. Check the license (Illinois 036170709, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Merryjean Losso
- Credential
- M.D.
- Primary taxonomy
- Vascular Neurology Physician 2084V0102X
- License numbers
- 036170709 IL
1014769 MA
Self-reported in NPPES; status is on the state search - Practice location
- 259 E Erie St Ste 1900, Chicago, IL 60611
- Phone
- (312) 695-7950
- Enumerated
- Apr 17, 2019
- Record last updated
- Jan 9, 2025
- Fax
- (312) 695-5747
- Medicare enrollment
- Enrolled (PECOS I20240906000638); accepts Medicare assignment
- Medical or professional school
- Oakland Univ, William Beaumont School Of Medicine, 2019
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest vascular neurology physician records → All 38 in Illinois → Look up another NPI →
Also registered at 259 E Erie St Ste 1900
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Bianca Barcelo, MDNeurology Physician1154779718
- Aasheeta Bawa, PA-CPhysician Assistant1861865347
Verify Merryjean Losso in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036170709Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average vascular neurology physician in 2024
29 Medicare Part D claims for 15 beneficiaries, against an average of 270 among the 598 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Merryjean Losso among 38 vascular neurology physician records in Illinois
Merryjean Losso, M.D. is one of 38 vascular neurology physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 74% of them.
- NPI issued2019 · 74% of these records are older, 11% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2019 · median 2008 among the 33 with a school on file
- Record last updated2025 · 29% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084V0102X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Neurology Physician providers in Illinois
There are 38 vascular neurology physician records in Illinois.
All 38 in Illinois → Every provider in Chicago → Vascular Neurology Physician nationwide →
The 8 vascular neurology physician records with the nearest ZIP codes
- Richard Bernstein, MDChicago, IL 606111164498614
- Fan Caprio, MDChicago, IL 606111548493208
- Yvonne Curran, MDChicago, IL 606111518950039
- Philip Gorelick, MDChicago, IL 606111902841273
- Jieun Kang, MDChicago, IL 606111336720143
- Monika Manchanda, MDChicago, IL 606111689020950
- Kristin Miller, M.D.Chicago, IL 606111467866723
- Nicholas Reish, M.D.Chicago, IL 606111669866836
Common questions
What is Merryjean Losso, M.D.'s NPI number?
Merryjean Losso, M.D.'s National Provider Identifier (NPI) is 1174186027, issued on Apr 17, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Merryjean Losso, M.D. located?
The NPPES record lists a practice address at 259 E Erie St Ste 1900, Chicago, IL, 60611. Phone: (312) 695-7950. Providers update this record themselves, so call before visiting.
How can I verify Merryjean Losso, M.D.'s license?
NPPES lists Illinois license number 036170709, 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 Merryjean Losso, M.D. prescribe under Medicare Part D?
In 2024, Merryjean Losso, M.D. had 29 Medicare Part D claims for 15 beneficiaries; the average among vascular neurology physician prescribers was 270. 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.