Mario Rosas, M.D.
NPI 1841369881 · Family Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mario Rosas, M.D. is a Family Medicine Physician provider in Chicago, IL (NPI 1841369881).
Provider details
- NPI number
- 1841369881
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036074065 (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
1,441 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 | 558 | $131 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 435 | $3 |
| Hemoglobin A1c Level83036 | 217 | $9 |
| Administration of Influenza Virus VaccineG0008 | 83 | $34 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 56 | $134 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 49 | $94 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 94 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 410 | 129 |
| Amlodipine Besylate | 165 | 51 |
| Losartan Potassium | 162 | 48 |
| Metformin Hcl | 161 | 49 |
| Levothyroxine Sodium | 129 | 38 |
| Omeprazole | 121 | 45 |
| Gabapentin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-11-06
- Last updated
- 2018-09-28
Frequently asked questions
- What is Mario Rosas's NPI number?
- Mario Rosas's National Provider Identifier (NPI) is 1841369881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mario Rosas's specialty?
- Mario Rosas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mario Rosas located?
- Mario Rosas's practice location on file with NPPES is 2619 S Lawndale Ave, Chicago, IL 60623-4520.
- What is Mario Rosas's phone number?
- The practice phone number listed in the NPPES registry for Mario Rosas is (773) 522-2620.
- Does Mario Rosas accept Medicare?
- Mario Rosas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mario Rosas's NPI active?
- Yes — Mario Rosas's NPI (1841369881) is active in the NPPES registry as of the last update on 2018-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.