Magdalena Slosar-Cheah, M.D.
NPI 1558520445 · Infectious Disease Physician · Worcester, MA
Enrolled with Medicare as Practitioner - Infectious Disease · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Magdalena Slosar-Cheah, M.D. is a Infectious Disease Physician provider in Worcester, MA (NPI 1558520445).
Provider details
- NPI number
- 1558520445
- Entity type
- Individual
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 278008 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
237 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 59 | $66 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 38 | $99 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 35 | $129 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 29 | $171 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 28 | $78 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Emtricitabine/Tenofov Alafenambrand: Descovy | 43 |
| Bictegrav/Emtricit/Tenofov Alabrand: Biktarvy | 42 |
| Dolutegravir Sodiumbrand: Tivicay | 34 |
| Darunavir | 34 |
| Elviteg/Cob/Emtri/Tenof Alafenbrand: Genvoya | 20 |
| Fosfomycin Tromethamine | 18 |
| Ritonavir | 17 |
| Cephalexin | 15 |
| Tenofovir Alafenamidebrand: Vemlidy | 14 |
| Acyclovir |
Practice location
Mailing address
Additional practice locations (3)
- 100 Hospital RdLeominster, MA 01453-2253Phone: (978) 466-4212
- 55 Sayles StSouthbridge, MA 01550-1729Phone: (508) 764-2400
- 119 Belmont StWorcester, MA 01605-2903Phone: (774) 441-8230
Registry dates
- Enumerated
- 2008-06-05
- Last updated
- 2025-04-01
- Certified
- 2025-04-01
Frequently asked questions
- What is Magdalena Slosar-Cheah's NPI number?
- Magdalena Slosar-Cheah's National Provider Identifier (NPI) is 1558520445, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Magdalena Slosar-Cheah's specialty?
- Magdalena Slosar-Cheah is listed in the NPPES registry with a primary specialty of Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Magdalena Slosar-Cheah located?
- Magdalena Slosar-Cheah's practice location on file with NPPES is 55 Lake Ave N, Worcester, MA 01655-0002.
- What is Magdalena Slosar-Cheah's phone number?
- The practice phone number listed in the NPPES registry for Magdalena Slosar-Cheah is (774) 441-8230.
- Does Magdalena Slosar-Cheah accept Medicare?
- Magdalena Slosar-Cheah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Magdalena Slosar-Cheah's NPI active?
- Yes — Magdalena Slosar-Cheah's NPI (1558520445) is active in the NPPES registry as of the last update on 2025-04-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.