Doctor profile · Federal record

Dr. Jennifer Yin, M.D.

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

  • NPI 1528224169
  • Accepts Medicare
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
25 N Winfield RD
Winfield, IL 601901379
(630) 933-4700
fax (630) 933-4427
Additional location
1221 N Highland Ave
Aurora, IL 605061404
(630) 859-8700

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
June 6, 2024
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
208M00000X — NUCC code
State licenses (3)
Illinois #036.124102 · Illinois #125-052916 · Illinois #036-124102
Medicaid
IL #036124102

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528224169. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
720
Distinct HCPCS
4
Medicare allowed
$92,624
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 434 143 $123
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 135 130 $179
99239 Hospital discharge day management, more than 30 minutes 76 74 $119
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 75 36 $82

In context: peer comparison

Among 31 peers in Winfield Hospitalist Physician, average services per provider: 153. This provider delivers 4.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
98
Patients
95
Total drug cost
$1,545
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 21 19 $89
Cefpodoxime Proxetil Generic 15 15 $869
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 14 14 $143
Metoprolol Succinate Generic 13 13 $139
Pantoprazole Sodium Generic 12 12 $92
Prednisone Generic 12 11 $83
Potassium Chloride Generic 11 11 $130

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Jennifer Yin's medical specialty?
Dr. Jennifer Yin practices Hospitalist Physician in Winfield, IL.
Where does Dr. Jennifer Yin practice?
Dr. Jennifer Yin practices at 25 N Winfield RD, Winfield, IL 601901379. Office phone: 6309334700.
What is Dr. Jennifer Yin's NPI?
Dr. Jennifer Yin's National Provider Identifier (NPI) is 1528224169, issued by NPPES.
Does Dr. Jennifer Yin accept Medicare assignment?
Yes. Dr. Jennifer Yin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Jennifer Yin commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.