Louis Portugal
NPI 1114937091 · Otolaryngology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Louis Portugal is a Otolaryngology Physician provider in Chicago, IL (NPI 1114937091).
Provider details
- NPI number
- 1114937091
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 036080201 (IL)
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
19 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
763 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 166 | $99 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 122 | $141 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 | 119 | $202 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 78 | $72 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 58 | $77 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 40 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 455 | 156 |
| Fluticasone Propionate | 292 | 129 |
| Omeprazole | 255 | 98 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 151 | 69 |
| Azelastine Hcl | 150 | 59 |
| Methylprednisolone | 116 | 61 |
| Fluconazole | 28 | — |
| Ciprofloxacin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,435 across 4 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
- 2006-08-09
- Last updated
- 2022-10-24
Frequently asked questions
- What is Louis Portugal's NPI number?
- Louis Portugal's National Provider Identifier (NPI) is 1114937091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Portugal's specialty?
- Louis Portugal is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Portugal located?
- Louis Portugal's practice location on file with NPPES is 5841 S Maryland Ave, Chicago, IL 60637-1443.
- What is Louis Portugal's phone number?
- The practice phone number listed in the NPPES registry for Louis Portugal is (888) 824-0200.
- Does Louis Portugal accept Medicare?
- Louis Portugal is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Louis Portugal's NPI active?
- Yes — Louis Portugal's NPI (1114937091) is active in the NPPES registry as of the last update on 2022-10-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.