Lawrence Yoo, MD
NPI 1912167669 · Internal Medicine Physician · St Charles, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lawrence Yoo, MD is a Internal Medicine Physician provider in St Charles, IL (NPI 1912167669).
Provider details
- NPI number
- 1912167669
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 148261 (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
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
934 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 | 236 | $135 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 209 | $17 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 186 | $191 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 140 | $139 |
| Administration of Influenza Virus VaccineG0008 | 47 | $33 |
| Hemoglobin A1c Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 80 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 254 | 85 |
| Losartan Potassium | 208 | 66 |
| Pantoprazole Sodium | 138 | 47 |
| Levothyroxine Sodium | 132 | 42 |
| Amlodipine Besylate | 117 | 40 |
| Gabapentin | 117 | 41 |
| Azelastine Hcl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-16
- Last updated
- 2019-02-11
Frequently asked questions
- What is Lawrence Yoo's NPI number?
- Lawrence Yoo's National Provider Identifier (NPI) is 1912167669, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lawrence Yoo's specialty?
- Lawrence Yoo is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lawrence Yoo located?
- Lawrence Yoo's practice location on file with NPPES is 2900 Foxfield Rd Ste 307, St Charles, IL 60174-5799.
- What is Lawrence Yoo's phone number?
- The practice phone number listed in the NPPES registry for Lawrence Yoo is (630) 208-3200.
- Does Lawrence Yoo accept Medicare?
- Lawrence Yoo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lawrence Yoo's NPI active?
- Yes — Lawrence Yoo's NPI (1912167669) is active in the NPPES registry as of the last update on 2019-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.