Doctor profile · Federal record

Dr. Magdalena Slosar-Cheah, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Worcester, MA

  • NPI 1558520445
  • Accepts Medicare
  • MIPS 89.0 / 100 · 2023
  • 18 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 016550002
(774) 441-8230
fax (508) 334-3428
Additional location
100 Hospital RD
Leominster, MA 014532253
(978) 466-4212
Additional location
119 Belmont St
Worcester, MA 016052903
Show 1 more location
Additional location
55 Sayles St
Southbridge, MA 015501729
(508) 764-2400
Mailing address
Po Box 415348
Boston, MA 022415348

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
April 1, 2025
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Massachusetts #278008
Medicaid
MA #110142391A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1558520445. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
240
Distinct HCPCS
7
Medicare allowed
$24,639
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 56 28 $67
99214 Established patient office or other outpatient visit, 30-39 minutes 39 21 $99
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 39 38 $177
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 35 31 $129
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 32 29 $78
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 22 18 $50
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 17 15 $115

In context: peer comparison

Among 11 peers in Worcester Infectious Disease Physician, average services per provider: 72. This provider delivers 3.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
267
Patients
0
Total drug cost
$438,130
Drug Type Claims Patients Total cost
Descovy (Emtricitabine/Tenofov Alafenam) Brand 37 0 $81,079
Tivicay (Dolutegravir Sodium) Brand 36 0 $80,058
Prezista (Darunavir) Brand 31 0 $67,418
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 26 0 $100,984
Fosfomycin Tromethamine Generic 25 0 $8,390
Genvoya (Elviteg/Cob/Emtri/Tenof Alafen) Brand 17 0 $70,224
Methenamine Hippurate Generic 16 0 $1,276
Ritonavir Generic 15 0 $3,049
Acyclovir Generic 13 0 $102
Cefpodoxime Proxetil Generic 13 0 $1,078

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Magdalena Slosar-Cheah's medical specialty?
Dr. Magdalena Slosar-Cheah practices Infectious Disease Physician in Worcester, MA.
Where does Dr. Magdalena Slosar-Cheah practice?
Dr. Magdalena Slosar-Cheah practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 7744418230.
What is Dr. Magdalena Slosar-Cheah's NPI?
Dr. Magdalena Slosar-Cheah's National Provider Identifier (NPI) is 1558520445, issued by NPPES.
Does Dr. Magdalena Slosar-Cheah accept Medicare assignment?
Yes. Dr. Magdalena Slosar-Cheah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Magdalena Slosar-Cheah commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.