Doctor profile · Federal record

Dr. Obada Shamaa, M.D., PH.D.

Critical Care Medicine (Internal Medicine) Physician (CMS: Pulmonary Disease) · Pulmonary Disease Physician · Internal Medicine Physician · Critical Care Medicine (Internal Medicine) Physician · Pulmonary Disease Physician · Hospitalist Physician · Chicago, IL

  • NPI 1275980658
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave, Mc-7082
Chicago, IL 606371447
(773) 702-6840
fax (773) 702-2230
Additional location
1000 Health Center Dr
Mattoon, IL 619384644
(217) 238-4960
fax (217) 238-4951
Mailing address
180 Harvester Dr, Suite 110
Burr Ridge, IL 605277594

Credentials & registration

NPPES · NUCC
NPI registered
May 2016 — 10 yrs on file
Profile last updated
February 8, 2023
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State licenses (4)
Illinois #036149199 · Wisconsin #2519 · Illinois #125068432 · Illinois #036-149199

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275980658. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
123
Distinct HCPCS
3
Medicare allowed
$19,440
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 72 33 $197
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 38 24 $106
99214 Established patient office or other outpatient visit, 30-39 minutes 13 11 $95

In context: peer comparison

Among 9 peers in this city , average services per provider: 94. This provider delivers 1.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$461
Drug Type Claims Patients Total cost
Azelastine Hcl Generic 11 0 $461

Frequently asked questions

Auto-generated from federal data
What is Dr. Obada Shamaa's medical specialty?
Dr. Obada Shamaa practices Critical Care Medicine (Internal Medicine) Physician in Chicago, IL.
Where does Dr. Obada Shamaa practice?
Dr. Obada Shamaa practices at 5841 S Maryland Ave, Chicago, IL 606371447. Office phone: 7737026840.
What is Dr. Obada Shamaa's NPI?
Dr. Obada Shamaa's National Provider Identifier (NPI) is 1275980658, issued by NPPES.
Does Dr. Obada Shamaa accept Medicare assignment?
Yes. Dr. Obada Shamaa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Obada Shamaa commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.