Doctor profile · Federal record

Dr. Mary Simmons, MD

Family Medicine Physician (CMS: Family Practice) · Belvidere, IL

  • NPI 1457373946
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 28 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1700 Henry Luckow Ln
Belvidere, IL 61008
(779) 696-8650
Mailing address
Po Box 78866
Milwaukee, WI 532788866

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
February 19, 2021
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036105006
Medicaid
IL #036105006

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1457373946. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
444
Distinct HCPCS
8
Medicare allowed
$27,246
HCPCS Description Services Patients Avg allowed
36415 Insertion of needle into vein for collection of blood sample 142 97 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 109 88 $87
99214 Established patient office or other outpatient visit, 30-39 minutes 79 64 $121
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 29 29 $124
G0008 Administration of influenza virus vaccine 25 25 $30
90662 Influenza vaccine split virus, preservative free 21 21 $71
99212 Established patient office or other outpatient visit, 10-19 minutes 21 21 $54
81003 Automated urinalysis test 18 17 $2

In context: peer comparison

Among 9 peers in this city , average services per provider: 75. This provider delivers 5.9× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,189
Patients
589
Total drug cost
$26,028
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 285 80 $2,710
Lisinopril Generic 269 67 $2,000
Levothyroxine Sodium Generic 254 60 $1,934
Amlodipine Besylate Generic 200 56 $1,853
Losartan Potassium Generic 186 50 $2,095
Omeprazole Generic 154 41 $2,507
Metformin Hcl Generic 119 38 $1,117
Metoprolol Succinate Generic 110 33 $1,601
Simvastatin Generic 100 24 $978
Hydrochlorothiazide Generic 92 29 $717

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Simmons's medical specialty?
Dr. Mary Simmons practices Family Medicine Physician in Belvidere, IL.
Where does Dr. Mary Simmons practice?
Dr. Mary Simmons practices at 1700 Henry Luckow Ln, Belvidere, IL 61008. Office phone: 7796968650.
What is Dr. Mary Simmons's NPI?
Dr. Mary Simmons's National Provider Identifier (NPI) is 1457373946, issued by NPPES.
Does Dr. Mary Simmons accept Medicare assignment?
Yes. Dr. Mary Simmons accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Simmons commonly perform?
Top Medicare-reported procedures in 2023: Insertion of needle into vein for collection of blood sample (HCPCS 36415); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.