Louis Tsarouhas, MD
NPI 1417945825 · Family Medicine Physician · Lawrenceville, NJ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Tsarouhas, MD is a Family Medicine Physician provider in Lawrenceville, NJ (NPI 1417945825).
Provider details
- NPI number
- 1417945825
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- MA51969 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,785 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 567 | $89 |
| 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 | 469 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 204 | $79 |
| Administration of Influenza Virus VaccineG0008 | 146 | $34 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 141 | $15 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 139 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 497 | 143 |
| Atorvastatin Calcium | 383 | 105 |
| Olmesartan Medoxomil | 310 | 87 |
| Amlodipine Besylate | 288 | 86 |
| Metoprolol Succinate | 273 | 81 |
| Pantoprazole Sodium | 260 | 83 |
| Finasteride |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,971 across 288 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-10-10
- Last updated
- 2010-02-02
Frequently asked questions
- What is Louis Tsarouhas's NPI number?
- Louis Tsarouhas's National Provider Identifier (NPI) is 1417945825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Tsarouhas's specialty?
- Louis Tsarouhas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Tsarouhas located?
- Louis Tsarouhas's practice location on file with NPPES is 2999 Princeton Pike, Lawrenceville, NJ 08648-3261.
- What is Louis Tsarouhas's phone number?
- The practice phone number listed in the NPPES registry for Louis Tsarouhas is (609) 882-9333.
- Does Louis Tsarouhas accept Medicare?
- Louis Tsarouhas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Tsarouhas's NPI active?
- Yes — Louis Tsarouhas's NPI (1417945825) is active in the NPPES registry as of the last update on 2010-02-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.