Magdalena Slosar-Cheah, M.D.
Infectious Disease Physician · Worcester, MA
Magdalena Slosar-Cheah, M.D. is an infectious disease physician with a practice address in Worcester, Massachusetts, and NPI 1558520445, issued on Jun 5, 2008. Check the license (Massachusetts 278008, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Magdalena Slosar-Cheah
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- 278008 MA
Self-reported in NPPES; status is on the state search - Practice location
- 55 Lake Ave N, Worcester, MA 01655
- Phone
- (774) 441-8230
- Enumerated
- Jun 5, 2008
- Record last updated
- Apr 1, 2025
- Fax
- (508) 334-3428
- Medicaid ID
- 110142391A MA
- Medicare enrollment
- Enrolled (PECOS I20190603001105); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 487 in Massachusetts → Look up another NPI →
Also registered at 55 Lake Ave N
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Paula Abate, NPNurse Practitioner1336265909
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- Zainab AbbasDermatology Physician1609028000
- Mary-Alice Abbott, MDClinical Genetics (M.D.) Physician1982799417
Verify Magdalena Slosar-Cheah in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 278008Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average infectious disease physician in 2024
363 Medicare Part D claims for 42 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Descovy43 claims
- Biktarvy42 claims
- Darunavir34 claims
- Tivicay34 claims
- Genvoya20 claims
- Fosfomycin Tromethamine18 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.
The MIPS final score for 2023 (Medicare payment program): 97 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
- Umass Memorial Medical Group IncWorcester, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Magdalena Slosar-Cheah among 487 infectious disease physician records in Massachusetts
Magdalena Slosar-Cheah, M.D. is one of 487 infectious disease physician records with a practice address in Massachusetts. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 63% of them.
- NPI issued2008 · 63% of these records are older, 32% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 61% of these records are
- Graduated2008 · median 2003 among the 296 with a school on file
- Record last updated2025 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Massachusetts
There are 487 infectious disease physician records in Massachusetts.
All 487 in Massachusetts → Every provider in Worcester → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Neil Blacklow, M.D.Worcester, MA 016551982686028
- Sarah Cheeseman, M.D.Worcester, MA 016551538142112
- Laura Gibson, M.D.Worcester, MA 016551801877535
- Richard Glew, M.D.Worcester, MA 016551063495547
- Douglas Golenbock, M.D.Worcester, MA 016551467435917
- Thomas Greenough, M.D.Worcester, MA 016551184607665
- Stuart Levitz, M.D.Worcester, MA 016551982681615
- Daniel Libraty, M.D.Worcester, MA 016551255314100
Common questions
What is Magdalena Slosar-Cheah, M.D.'s NPI number?
Magdalena Slosar-Cheah, M.D.'s National Provider Identifier (NPI) is 1558520445, issued on Jun 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Magdalena Slosar-Cheah, M.D. located?
The NPPES record lists a practice address at 55 Lake Ave N, Worcester, MA, 01655. Phone: (774) 441-8230. Providers update this record themselves, so call before visiting.
How can I verify Magdalena Slosar-Cheah, M.D.'s license?
NPPES lists Massachusetts license number 278008, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Magdalena Slosar-Cheah, M.D. prescribe under Medicare Part D?
In 2024, Magdalena Slosar-Cheah, M.D. had 363 Medicare Part D claims for 42 beneficiaries; the average among infectious disease physician prescribers was 689. Part D covers Medicare prescriptions only.
What is Magdalena Slosar-Cheah, M.D.'s MIPS final score?
The 2023 MIPS final score is 97 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.