Asad Aziz, D.O.
NPI 1538140082 · Gastroenterology Physician · Hoffman Estates, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Asad Aziz, D.O. is a Gastroenterology Physician provider in Hoffman Estates, IL (NPI 1538140082).
Provider details
- NPI number
- 1538140082
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 036105904 (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
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
626 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 | 166 | $129 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 57 | $171 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 56 | $465 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 54 | $257 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 44 | $100 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 434 | 142 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 99 | 98 |
| Omeprazole | 87 | 32 |
| Famotidine | 64 | 23 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 60 | 60 |
| Sucralfate | 57 | 22 |
| Dicyclomine Hcl | 56 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$246 across 5 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)
- 1300 N Arlington Heights Rd Ste 130Itasca, IL 60143-3128Phone: (847) 871-4540Fax: (847) 871-4597
Registry dates
- Enumerated
- 2005-11-10
- Last updated
- 2023-08-03
- Certified
- 2023-08-03
Frequently asked questions
- What is Asad Aziz's NPI number?
- Asad Aziz's National Provider Identifier (NPI) is 1538140082, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Asad Aziz's specialty?
- Asad Aziz is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Asad Aziz located?
- Asad Aziz's practice location on file with NPPES is 2359 Hassell Rd, Hoffman Estates, IL 60169-2102.
- What is Asad Aziz's phone number?
- The practice phone number listed in the NPPES registry for Asad Aziz is (630) 717-2600.
- Does Asad Aziz accept Medicare?
- Asad Aziz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Asad Aziz's NPI active?
- Yes — Asad Aziz's NPI (1538140082) is active in the NPPES registry as of the last update on 2023-08-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.