Omar Oliveros, M.D.
NPI 1538542337 · Internal Medicine Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Omar Oliveros, M.D. is a Internal Medicine Physician provider in Chicago, IL (NPI 1538542337).
Provider details
- NPI number
- 1538542337
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036146049 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
11 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 115 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 385 | 152 |
| Rosuvastatin Calcium | 257 | 97 |
| Losartan Potassium | 254 | 95 |
| Metformin Hcl | 231 | 82 |
| Amlodipine Besylate | 229 | 84 |
| Levothyroxine Sodium | 216 | 72 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,196 across 66 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
Additional practice locations (1)
- 7000 Cermak RdBerwyn, IL 60402-2112Phone: (708) 484-8090
Registry dates
- Enumerated
- 2015-06-30
- Last updated
- 2025-09-16
- Certified
- 2025-09-16
Frequently asked questions
- What is Omar Oliveros's NPI number?
- Omar Oliveros's National Provider Identifier (NPI) is 1538542337, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Omar Oliveros's specialty?
- Omar Oliveros is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Omar Oliveros located?
- Omar Oliveros's practice location on file with NPPES is 4417 W Diversey Ave, Chicago, IL 60639-1923.
- What is Omar Oliveros's phone number?
- The practice phone number listed in the NPPES registry for Omar Oliveros is (773) 377-7736.
- Does Omar Oliveros accept Medicare?
- Omar Oliveros is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Omar Oliveros's NPI active?
- Yes — Omar Oliveros's NPI (1538542337) is active in the NPPES registry as of the last update on 2025-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.