Doctor profile · Federal record

Dr. Jason Chen, MD

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

  • NPI 1972543239
  • Accepts Medicare
  • 28 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
8012 S Crandon Ave Ste 100
Chicago, IL 606171124
(773) 356-5415
fax (773) 768-6141
Mailing address
1000 Village Center Dr Unit 204
Burr Ridge, IL 605274540

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 24, 2024
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Illinois #036126956 · California #A76587

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972543239. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,127
Distinct HCPCS
10
Medicare allowed
$233,896
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 855 65 $83
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 772 60 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 142 60 $182
99239 Hospital discharge day management, more than 30 minutes 130 54 $120
99214 Established patient office or other outpatient visit, 30-39 minutes 78 30 $133
36415 Insertion of needle into vein for collection of blood sample 37 28 $8
99443 Telephone medical discussion with physician, 21-30 minutes 33 17 $101
99215 Established patient office or other outpatient visit, 40-54 minutes 28 28 $187
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 28 21 $137
99238 Hospital discharge day management, 30 minutes or less 24 16 $84

In context: peer comparison

Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 13× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$36
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 1 $21.32
AstraZeneca Pharmaceuticals Lp 1 $15.14

By nature of payment

Food and Beverage
$36

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
867
Patients
206
Total drug cost
$29,583
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 154 44 $1,592
Atorvastatin Calcium Generic 132 40 $2,543
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 80 24 $2,657
Metoprolol Succinate Generic 71 19 $1,924
Lisinopril Generic 48 12 $449
Metformin Hcl Generic 48 12 $305
Ibuprofen Generic 47 19 $365
Fluticasone Propionate Generic 43 11 $1,023
Hydrochlorothiazide Generic 42 0 $110
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 35 0 $396

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jason Chen's medical specialty?
Dr. Jason Chen practices Internal Medicine Physician in Chicago, IL.
Where does Dr. Jason Chen practice?
Dr. Jason Chen practices at 8012 S Crandon Ave Ste 100, Chicago, IL 606171124. Office phone: 7733565415.
What is Dr. Jason Chen's NPI?
Dr. Jason Chen's National Provider Identifier (NPI) is 1972543239, issued by NPPES.
Does Dr. Jason Chen accept Medicare assignment?
Yes. Dr. Jason Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jason Chen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.