Doctor profile · Federal record

Dr. Matthew Snowdon, D.O.

Internal Medicine Physician (CMS: Internal Medicine) · Highland Park, IL

  • NPI 1821450420
  • Accepts Medicare
  • MIPS 90.4 / 100 · 2023
  • 10 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1777 Green Bay RD
Highland Park, IL 60035
(847) 433-3460
fax (847) 433-4062

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
September 26, 2019
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Illinois #036150001

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821450420. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
587
Distinct HCPCS
10
Medicare allowed
$57,122
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 156 131 $69
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 147 147 $136
99214 Established patient office or other outpatient visit, 30-39 minutes 120 105 $102
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 44 43 $8
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 30 30 $175
99204 New patient office or other outpatient visit, 45-59 minutes 19 19 $141
99203 New patient office or other outpatient visit, 30-44 minutes 18 18 $88
99212 Established patient office or other outpatient visit, 10-19 minutes 18 18 $37
G0402 Initial preventive physical examination; face-to-face visit, services limited to new beneficiary during the first 12 months of medicare enrollment 18 18 $138
G0180 Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and 17 13 $55

In context: peer comparison

Among 11 peers in Highland Park Internal Medicine Physician, average services per provider: 104. This provider delivers 5.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,450
Patients
486
Total drug cost
$21,569
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 276 89 $3,868
Amlodipine Besylate Generic 161 59 $1,634
Levothyroxine Sodium Generic 140 46 $2,859
Lisinopril Generic 138 47 $1,406
Losartan Potassium Generic 108 34 $1,873
Rosuvastatin Calcium Generic 92 33 $1,873
Simvastatin Generic 70 25 $854
Hydrochlorothiazide Generic 64 24 $277
Omeprazole Generic 64 19 $883
Metoprolol Succinate Generic 62 22 $940

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Snowdon's medical specialty?
Dr. Matthew Snowdon practices Internal Medicine Physician in Highland Park, IL.
Where does Dr. Matthew Snowdon practice?
Dr. Matthew Snowdon practices at 1777 Green Bay RD, Highland Park, IL 60035. Office phone: 8474333460.
What is Dr. Matthew Snowdon's NPI?
Dr. Matthew Snowdon's National Provider Identifier (NPI) is 1821450420, issued by NPPES.
Does Dr. Matthew Snowdon accept Medicare assignment?
Yes. Dr. Matthew Snowdon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Snowdon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.