Saad Aziz, D.O.
NPI 1629259890 · Gastroenterology Physician · Chicago, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Saad Aziz, D.O. is a Gastroenterology Physician provider in Chicago, IL (NPI 1629259890).
Provider details
- NPI number
- 1629259890
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 336072432 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 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
955 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 | 155 | $130 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 131 | $93 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 104 | $78 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 101 | $100 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 93 | $247 |
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 |
|---|---|---|
| Pantoprazole Sodium | 129 | 36 |
| Rabeprazole Sodium | 74 | 18 |
| Omeprazole | 59 | 19 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-C | 58 | 54 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 34 | 34 |
| Esomeprazole Magnesium | 22 | — |
| Sucralfate | 19 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$609 across 26 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
- 2007-11-16
- Last updated
- 2016-01-11
Frequently asked questions
- What is Saad Aziz's NPI number?
- Saad Aziz's National Provider Identifier (NPI) is 1629259890, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Saad Aziz's specialty?
- Saad Aziz is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Saad Aziz located?
- Saad Aziz's practice location on file with NPPES is 3740 W North Ave, Chicago, IL 60647-4727.
- What is Saad Aziz's phone number?
- The practice phone number listed in the NPPES registry for Saad Aziz is (630) 889-9889.
- Does Saad Aziz accept Medicare?
- Saad Aziz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Saad Aziz's NPI active?
- Yes — Saad Aziz's NPI (1629259890) is active in the NPPES registry as of the last update on 2016-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.