Doctor profile · Federal record

Dr. Jennifer Chang, PA-C

Physician Assistant · Chicago, IL

  • NPI 1669888558
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
675 N Saint Clair St Ste 21-100
Chicago, IL 606115970
(312) 695-0990
fax (312) 695-1106

Credentials & registration

NPPES · NUCC
NPI registered
July 2014 — 12 yrs on file
Profile last updated
October 13, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Illinois #085005061

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669888558. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
53
Distinct HCPCS
2
Medicare allowed
$8,458
HCPCS Description Services Patients Avg allowed
38222 Biopsy and aspiration of bone marrow sample for diagnosis 31 28 $158
99215 Established patient office or other outpatient visit, 40-54 minutes 22 11 $162

In context: peer comparison

Among 260 peers in Chicago Physician Assistant, average services per provider: 66. This provider delivers 0.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$620
Transactions
19
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $117.91
Astellas Pharma US INC 1 $99.99
Pfizer INC. 2 $61.58
Celgene Corporation 3 $54.75
Takeda Pharmaceuticals U.S.A., INC. 2 $46.25
Stemline Therapeutics INC. 2 $41.79
Regeneron Healthcare Solutions, INC. 1 $32.57
Daiichi Sankyo INC. 1 $29.20
Lilly USA, LLC 1 $28.64
Novartis Pharmaceuticals Corporation 1 $25.03
Pharmacosmos Therapeutics INC. 1 $24.42
Sun Pharmaceutical Industries INC. 1 $22.49
Kyowa Kirin, INC. 1 $19.59
Merck Sharp & Dohme LLC 1 $15.67

By nature of payment

Food and Beverage
$520
Education
$100

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
118
Patients
0
Total drug cost
$854,787
Drug Type Claims Patients Total cost
Acyclovir Generic 24 0 $414
Allopurinol Generic 17 0 $250
Bosulif (Bosutinib) Brand 17 0 $269,510
Sprycel (Dasatinib) Brand 17 0 $170,984
Venclexta (Venetoclax) Brand 16 0 $28,966
Fluconazole Generic 15 0 $676
Idhifa (Enasidenib Mesylate) Brand 12 0 $383,986

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Chang's medical specialty?
Dr. Jennifer Chang practices Physician Assistant in Chicago, IL.
Where does Dr. Jennifer Chang practice?
Dr. Jennifer Chang practices at 675 N Saint Clair St Ste 21-100, Chicago, IL 606115970. Office phone: 3126950990.
What is Dr. Jennifer Chang's NPI?
Dr. Jennifer Chang's National Provider Identifier (NPI) is 1669888558, issued by NPPES.
Does Dr. Jennifer Chang accept Medicare assignment?
Yes. Dr. Jennifer Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Chang commonly perform?
Top Medicare-reported procedures in 2023: Biopsy and aspiration of bone marrow sample for diagnosis (HCPCS 38222); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.