Quick answers
- Does Momin S. Siddique accept Medicare assignment?
- Yes. Medicare's clinician data says Momin S. Siddique accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Momin S. Siddique see?
- In 2024, CMS data shows 585 Original Medicare patients and 926 services for Momin S. Siddique. This counts Original Medicare only and measures volume, not quality.
- What is Momin S. Siddique's NPI number?
- 1184852089. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Momin S. Siddique, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 585 |
|---|---|
| Services billed to Medicare | 926 |
| Different services or procedures | 25 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)253 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)216 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)82 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)71 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)53 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease61%
- Diabetes46%
- Heart failure45%
- Arthritis44%
Hospitals where Momin S. Siddique works
Medicare's Facility Affiliation Data lists Momin S. Siddique at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Abraham Lincoln Memorial HospitalLincoln, IL · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 141322
- Decatur Memorial HospitalDecatur, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140135
- Memorial Medical CenterSpringfield, IL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 140148
- Taylorville Memorial HospitalTaylorville, IL · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 141339
Practice locations
Addresses where Momin S. Siddique is enrolled with Medicare (CMS data updated October 2, 2026).
- 520 N 4th StSpringfield, IL 62702 (217) 545‑8000
- 701 N 1st St, 7dSpringfield, IL 62702 (217) 545‑8000
Group practices
Medicare enrollment lists Momin S. Siddique as a member of these groups (CMS data updated October 2, 2026).
- SIU Physicians and Surgeons Inc314 clinicians in the group
- Board of Trustees of Southern Illinois University137 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Springfield
Clinicians with the same Medicare primary specialty in Springfield, IL — not a recommendation.
Other clinicians in SIU Physicians and Surgeons Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1184852089 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians