Doctor profile · Federal record

Dr. Alexander Kahnweiler, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Evanston, IL

  • NPI 1437619657
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 7 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2650 Ridge Ave., Department of Emergency Medicine
Evanston, IL 602011057
(847) 570-2114
fax (847) 570-1223
Additional location
4440 W 95Th St
Oak Lawn, IL 604532600
(708) 684-8000

Credentials & registration

NPPES · NUCC
NPI registered
March 2019 — 7 yrs on file
Profile last updated
February 21, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
Illinois #036157807 · Illinois #125.074284

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1437619657. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
536
Distinct HCPCS
4
Medicare allowed
$88,177
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 325 318 $188
99283 Emergency department visit with low level of medical decision making 83 82 $77
99284 Emergency department visit with moderate level of medical decision making 83 83 $128
99291 Critical care, first 30-74 minutes 45 45 $224

In context: peer comparison

Among 39 peers in this city , average services per provider: 124. This provider delivers 4.3× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
34
Patients
34
Total drug cost
$95
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 21 21 $35
Ondansetron Odt (Ondansetron) Brand 13 13 $60

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Kahnweiler's medical specialty?
Dr. Alexander Kahnweiler practices Emergency Medicine Physician in Evanston, IL.
Where does Dr. Alexander Kahnweiler practice?
Dr. Alexander Kahnweiler practices at 2650 Ridge Ave., Evanston, IL 602011057. Office phone: 8475702114.
What is Dr. Alexander Kahnweiler's NPI?
Dr. Alexander Kahnweiler's National Provider Identifier (NPI) is 1437619657, issued by NPPES.
Does Dr. Alexander Kahnweiler accept Medicare assignment?
Yes. Dr. Alexander Kahnweiler accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Kahnweiler commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.