Leonardo Vargas, M.D.
NPI 1245385699 · Internal Medicine Physician · Glenview, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leonardo Vargas, M.D. is a Internal Medicine Physician provider in Glenview, IL (NPI 1245385699).
Provider details
- NPI number
- 1245385699
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036098800 (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
19 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
5,442 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 549 | $9 |
| Screening 3d Breast Mammography77063 | 404 | $25 |
| Screening Mammography77067 | 404 | $97 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 387 | $135 |
| Blood Creatinine Level82565 | 312 | $5 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 308 | $139 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 104 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 701 | 203 |
| Losartan Potassium | 367 | 107 |
| Amlodipine Besylate | 357 | 87 |
| Levothyroxine Sodium | 303 | 79 |
| Omeprazole | 235 | 83 |
| Rosuvastatin Calcium | 231 | 63 |
| Metoprolol Succinate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-24
- Last updated
- 2007-07-08
Frequently asked questions
- What is Leonardo Vargas's NPI number?
- Leonardo Vargas's National Provider Identifier (NPI) is 1245385699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonardo Vargas's specialty?
- Leonardo Vargas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leonardo Vargas located?
- Leonardo Vargas's practice location on file with NPPES is 1500 Waukegan Rd, Glenview, IL 60025-2100.
- What is Leonardo Vargas's phone number?
- The practice phone number listed in the NPPES registry for Leonardo Vargas is (847) 998-0120.
- Does Leonardo Vargas accept Medicare?
- Leonardo Vargas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leonardo Vargas's NPI active?
- Yes — Leonardo Vargas's NPI (1245385699) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.