William Ngu, D.O.
NPI 1851655872 · Family Medicine Physician · Schaumburg, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Ngu, D.O. is a Family Medicine Physician provider in Schaumburg, IL (NPI 1851655872).
Provider details
- NPI number
- 1851655872
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036136227 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
497 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 165 | $132 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 125 | $138 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 122 | $93 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 37 | $15 |
| Administration of Influenza Virus VaccineG0008 | 32 | $33 |
| 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 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 70 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 365 | 103 |
| Amlodipine Besylate | 172 | 51 |
| Lisinopril | 159 | 42 |
| Losartan Potassium | 121 | 38 |
| Metoprolol Succinate | 120 | 34 |
| Metformin Hcl | 106 | 27 |
| Levothyroxine Sodium |
Practice location
Mailing address
Additional practice locations (2)
- 150 N River Rd Ste 110Des Plaines, IL 60016Phone: (847) 342-8956Fax: (847) 342-8958
- 1792 E Oakton StDes Plaines, IL 60018-2110Phone: (847) 827-4496Fax: (847) 827-1256
Registry dates
- Enumerated
- 2012-06-25
- Last updated
- 2021-05-10
- Certified
- 2021-05-10
Frequently asked questions
- What is William Ngu's NPI number?
- William Ngu's National Provider Identifier (NPI) is 1851655872, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Ngu's specialty?
- William Ngu is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Ngu located?
- William Ngu's practice location on file with NPPES is 455 S Roselle Rd Ste 121, Schaumburg, IL 60193-2966.
- What is William Ngu's phone number?
- The practice phone number listed in the NPPES registry for William Ngu is (630) 671-4980.
- Does William Ngu accept Medicare?
- William Ngu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Ngu's NPI active?
- Yes — William Ngu's NPI (1851655872) is active in the NPPES registry as of the last update on 2021-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.