Hadi Atassi, D.O.
NPI 1407218621 · Gastroenterology Physician · Munster, IN
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hadi Atassi, D.O. is a Gastroenterology Physician provider in Munster, IN (NPI 1407218621).
Provider details
- NPI number
- 1407218621
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 02007039A (IN)
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
10 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
2,302 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 549 | $71 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 412 | $118 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 241 | $109 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 182 | $96 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 137 | $115 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
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 | 121 | 64 |
| Omeprazole | 97 | 46 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 33 | 33 |
| Cholestyramine (with Sugar)brand: Cholestyramine | 32 | 14 |
| Sucralfate | 24 | 15 |
| Cholestyraminebrand: Cholestyramine Light | 22 | — |
| Dicyclomine Hcl | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,818 across 104 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)
- 550 S Jackson St Fl 3Louisville, KY 40202-1622Phone: (502) 852-7239
Registry dates
- Enumerated
- 2016-03-26
- Last updated
- 2023-07-12
- Certified
- 2023-07-12
Frequently asked questions
- What is Hadi Atassi's NPI number?
- Hadi Atassi's National Provider Identifier (NPI) is 1407218621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hadi Atassi's specialty?
- Hadi Atassi is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Hadi Atassi located?
- Hadi Atassi's practice location on file with NPPES is 9030 Columbia Ave Ste B, Munster, IN 46321-2905.
- What is Hadi Atassi's phone number?
- The practice phone number listed in the NPPES registry for Hadi Atassi is (219) 836-6002.
- Does Hadi Atassi accept Medicare?
- Hadi Atassi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hadi Atassi's NPI active?
- Yes — Hadi Atassi's NPI (1407218621) is active in the NPPES registry as of the last update on 2023-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.