Osama Siddique, M.D.
NPI 1558746230 · Gastroenterology Physician · Rocky Hill, CT
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Osama Siddique, M.D. is a Gastroenterology Physician provider in Rocky Hill, CT (NPI 1558746230).
Provider details
- NPI number
- 1558746230
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 67465 (CT)
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
10 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
325 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 | 66 | $128 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 57 | $134 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 48 | $98 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 36 | $256 |
| Review By Radiologist of Image From Tube Placement Into Bile Duct Using an Endoscope74328 | 21 | $23 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 244 | 86 |
| Omeprazole | 133 | 46 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 106 | 103 |
| Famotidine | 60 | 21 |
| Linaclotidebrand: Linzess | 53 | 16 |
| Esomeprazole Magnesium | 53 | 11 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,036 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
Registry dates
- Enumerated
- 2015-07-23
- Last updated
- 2021-07-27
- Certified
- 2021-07-01
Frequently asked questions
- What is Osama Siddique's NPI number?
- Osama Siddique's National Provider Identifier (NPI) is 1558746230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Osama Siddique's specialty?
- Osama Siddique is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Osama Siddique located?
- Osama Siddique's practice location on file with NPPES is 30 Waterchase Dr, Rocky Hill, CT 06067-2110.
- What is Osama Siddique's phone number?
- The practice phone number listed in the NPPES registry for Osama Siddique is (860) 257-4131.
- Does Osama Siddique accept Medicare?
- Osama Siddique is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Osama Siddique's NPI active?
- Yes — Osama Siddique's NPI (1558746230) is active in the NPPES registry as of the last update on 2021-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.