Doctor profile · Federal record

Dr. Jason Alexander

Internal Medicine Physician (CMS: Internal Medicine) · Chicago, IL

  • NPI 1649533613
  • Accepts Medicare
  • MIPS 87.7 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5841 S Maryland Ave
Chicago, IL 606371443
(888) 824-0200
Mailing address
150 Harvester Dr, Suite 300
Burr Ridge, IL 605275919

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
February 12, 2026
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036137490

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649533613. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
614
Distinct HCPCS
7
Medicare allowed
$61,981
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 350 254 $104
99213 Established patient office or other outpatient visit, 20-29 minutes 160 155 $70
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 34 15 $127
99215 Established patient office or other outpatient visit, 40-54 minutes 27 20 $152
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 17 17 $137
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 14 14 $185
99238 Hospital discharge day management, 30 minutes or less 12 12 $86

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 3.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,346
Patients
452
Total drug cost
$25,047
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 229 73 $3,176
Amlodipine Besylate Generic 206 72 $1,885
Gabapentin Generic 102 35 $3,031
Lisinopril Generic 96 27 $821
Metoprolol Succinate Generic 84 28 $1,857
Chlorthalidone Generic 78 23 $1,925
Hydrochlorothiazide Generic 75 25 $344
Losartan Potassium Generic 68 24 $1,031
Rosuvastatin Calcium Generic 67 21 $1,810
Famotidine Generic 66 27 $2,263

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Alexander's medical specialty?
Dr. Jason Alexander practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Jason Alexander practice?
Dr. Jason Alexander practices at 5841 S Maryland Ave, Chicago, IL 606371443. Office phone: 8888240200.
What is Dr. Jason Alexander's NPI?
Dr. Jason Alexander's National Provider Identifier (NPI) is 1649533613, issued by NPPES.
Does Dr. Jason Alexander accept Medicare assignment?
Yes. Dr. Jason Alexander accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Alexander commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.