Doctor profile · Federal record

Dr. Lori Zimmers, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · St Charles, IL

  • NPI 1588734818
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2900 Foxfield RD
St Charles, IL 601745799
(630) 208-3200
fax (630) 208-3201

Credentials & registration

NPPES · NUCC
NPI registered
November 2006 — 20 yrs on file
Profile last updated
December 2, 2013
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036-096347
Medicaid
IL #036096347

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1588734818. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,725
Distinct HCPCS
10
Medicare allowed
$190,471
HCPCS Description Services Patients Avg allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 396 396 $136
99214 Established patient office or other outpatient visit, 30-39 minutes 367 252 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 330 284 $95
G0008 Administration of influenza virus vaccine 106 106 $32
90662 Influenza vaccine split virus, preservative free 104 104 $72
99215 Established patient office or other outpatient visit, 40-54 minutes 103 93 $189
99212 Established patient office or other outpatient visit, 10-19 minutes 49 49 $60
83036 Hemoglobin a1c level 42 33 $10
G0009 Administration of pneumococcal vaccine 37 37 $32
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 35 34 $15

In context: peer comparison

Among 5 peers in St Charles Internal Medicine Physician, average services per provider: 84. This provider delivers 21× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,782
Patients
1,123
Total drug cost
$55,941
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 668 185 $9,940
Levothyroxine Sodium Generic 569 150 $9,438
Amlodipine Besylate Generic 360 115 $4,379
Losartan Potassium Generic 273 86 $4,192
Lisinopril Generic 269 80 $2,038
Metoprolol Succinate Generic 269 80 $5,433
Rosuvastatin Calcium Generic 214 63 $4,629
Alprazolam Generic 195 53 $1,508
Omeprazole Generic 168 49 $2,744
Hydrochlorothiazide Generic 160 50 $981

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Lori Zimmers's medical specialty?
Dr. Lori Zimmers practices Internal Medicine Physician in St Charles, IL.
Where does Dr. Lori Zimmers practice?
Dr. Lori Zimmers practices at 2900 Foxfield RD, St Charles, IL 601745799. Office phone: 6302083200.
What is Dr. Lori Zimmers's NPI?
Dr. Lori Zimmers's National Provider Identifier (NPI) is 1588734818, issued by NPPES.
Does Dr. Lori Zimmers accept Medicare assignment?
Yes. Dr. Lori Zimmers accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lori Zimmers commonly perform?
Top Medicare-reported procedures in 2023: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.