Doctor profile · Federal record

Dr. Osasumwen Osayimwen, MD

Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Glenview, IL

  • NPI 1376724898
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
2100 Pfingsten RD Ste 3001A
Glenview, IL 60026
(847) 657-5840
fax (847) 657-5732
Additional location
2100 Pfingsten RD, Ste 3001A
Glenview, IL 600261301
Additional location
5145 N. California Ave., Im/ICU Hospitalists-Suite 331
Chicago, IL 606253661
(847) 570-1027
fax (773) 989-1734

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
September 9, 2025
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
208M00000X — NUCC code
State license (1)
Illinois #036121023

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1376724898. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,276
Distinct HCPCS
7
Medicare allowed
$154,248
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 627 295 $127
99239 Hospital discharge day management, more than 30 minutes 285 273 $122
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 197 110 $85
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 94 94 $185
G0316 Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th 44 17 $32
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 15 15 $139
99215 Established patient office or other outpatient visit, 40-54 minutes 14 12 $152

In context: peer comparison

Among 14 peers in this city , average services per provider: 167. This provider delivers 7.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$252
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Edwards Lifesciences Corporation 1 $144.27
Janssen Pharmaceuticals, Inc 2 $58.87
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 3 $48.77

By nature of payment

Food and Beverage
$252

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
68
Total drug cost
$1,533
Drug Type Claims Patients Total cost
Cefpodoxime Proxetil Generic 18 18 $960
Furosemide Generic 16 16 $44
Pantoprazole Sodium Generic 13 11 $165
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $170
Metoprolol Succinate Generic 11 0 $105
Prednisone Generic 11 11 $91

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Osasumwen Osayimwen's medical specialty?
Dr. Osasumwen Osayimwen practices Hospitalist Physician in Glenview, IL.
Where does Dr. Osasumwen Osayimwen practice?
Dr. Osasumwen Osayimwen practices at 2100 Pfingsten RD Ste 3001A, Glenview, IL 60026. Office phone: 8476575840.
What is Dr. Osasumwen Osayimwen's NPI?
Dr. Osasumwen Osayimwen's National Provider Identifier (NPI) is 1376724898, issued by NPPES.
Does Dr. Osasumwen Osayimwen accept Medicare assignment?
Yes. Dr. Osasumwen Osayimwen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Osasumwen Osayimwen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.