Doctor profile · Federal record

Dr. William Ngu, D.O.

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

  • NPI 1851655872
  • Accepts Medicare
  • MIPS 89.7 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
455 S Roselle RD Ste 121
Schaumburg, IL 601932966
(630) 671-4980
fax (630) 671-4989
Additional location
150 N River RD Ste 110
Des Plaines, IL 60016
(847) 342-8956
fax (847) 342-8958
Additional location
1792 E Oakton St
Des Plaines, IL 600182110
(847) 827-4496
fax (847) 827-1256

Credentials & registration

NPPES · NUCC
NPI registered
June 2012 — 14 yrs on file
Profile last updated
May 10, 2021
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #036136227

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851655872. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
560
Distinct HCPCS
10
Medicare allowed
$62,569
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 178 106 $134
99213 Established patient office or other outpatient visit, 20-29 minutes 145 107 $95
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 96 96 $137
G0008 Administration of influenza virus vaccine 34 33 $32
90662 Influenza vaccine split virus, preservative free 31 30 $72
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 23 23 $16
87636 Detection test by multiplex amplified probe technique for severe acute respiratory syndrome coronavirus 2 (sars-cov-2) (covid-19) and influenza virus types a and b 16 15 $140
G0009 Administration of pneumococcal vaccine 13 13 $32
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 12 12 $280
G0438 Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit 12 12 $176

In context: peer comparison

Among 14 peers in Schaumburg Family Medicine Physician, average services per provider: 112. This provider delivers 5.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,309
Patients
415
Total drug cost
$19,532
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 281 86 $4,078
Lisinopril Generic 136 39 $1,160
Amlodipine Besylate Generic 129 37 $1,382
Metformin Hcl Generic 97 26 $957
Levothyroxine Sodium Generic 87 25 $1,565
Metoprolol Succinate Generic 84 26 $1,902
Simvastatin Generic 83 23 $753
Losartan Potassium Generic 75 28 $905
Pantoprazole Sodium Generic 56 22 $882
Metoprolol Tartrate Generic 53 15 $436

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Ngu's medical specialty?
Dr. William Ngu practices Family Medicine Physician in Schaumburg, IL.
Where does Dr. William Ngu practice?
Dr. William Ngu practices at 455 S Roselle RD Ste 121, Schaumburg, IL 601932966. Office phone: 6306714980.
What is Dr. William Ngu's NPI?
Dr. William Ngu's National Provider Identifier (NPI) is 1851655872, issued by NPPES.
Does Dr. William Ngu accept Medicare assignment?
Yes. Dr. William Ngu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Ngu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.