Hadi Siddiqui, D.O., M.P.H.
NPI 1639361413 · Gastroenterology Physician · Morris, IL
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hadi Siddiqui, D.O., M.P.H. is a Gastroenterology Physician provider in Morris, IL (NPI 1639361413).
Provider details
- NPI number
- 1639361413
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O., M.P.H.
- Sex
- Male
- Sole proprietor
- No
- License
- Q0562 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
365 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 72 | $171 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 72 | $80 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 40 | $129 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 29 | $50 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 28 | $132 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 198 | 92 |
| Omeprazole | 59 | 29 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 58 | 56 |
| Dicyclomine Hcl | 58 | 35 |
| Metoclopramide Hcl | 47 | 27 |
| Esomeprazole Magnesium | 42 | 24 |
| Linaclotidebrand: Linzess | 41 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$436 across 17 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 (3)
- 650 Dickinson Rd Ste ZChesterton, IN 46304-3387Phone: (219) 464-9507Fax: (219) 477-4690
- 2206 Roosevelt Rd Ste aValparaiso, IN 46383Phone: (219) 464-9507Fax: (219) 477-4690
- 2206 Roosevelt Rd Ste BValparaiso, IN 46383-9618Phone: (219) 464-9507Fax: (219) 477-4690
Registry dates
- Enumerated
- 2007-08-15
- Last updated
- 2023-06-01
- Certified
- 2023-06-01
Frequently asked questions
- What is Hadi Siddiqui's NPI number?
- Hadi Siddiqui's National Provider Identifier (NPI) is 1639361413, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hadi Siddiqui's specialty?
- Hadi Siddiqui is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Hadi Siddiqui located?
- Hadi Siddiqui's practice location on file with NPPES is 150 W High St, Morris, IL 60450-1497.
- What is Hadi Siddiqui's phone number?
- The practice phone number listed in the NPPES registry for Hadi Siddiqui is (815) 942-2932.
- Does Hadi Siddiqui accept Medicare?
- Hadi Siddiqui is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hadi Siddiqui's NPI active?
- Yes — Hadi Siddiqui's NPI (1639361413) is active in the NPPES registry as of the last update on 2023-06-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.