Quick answers
- Does Mahmood I. Siddique accept Medicare assignment?
- Yes. Medicare's clinician data says Mahmood I. 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 Mahmood I. Siddique see?
- In 2024, CMS data shows 262 Original Medicare patients and 51,056 services for Mahmood I. Siddique. This counts Original Medicare only and measures volume, not quality.
- What is Mahmood I. Siddique's NPI number?
- 1700976073. 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 Mahmood I. 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 | 262 |
|---|---|
| Services billed to Medicare | 51,056 |
| Different services or procedures | 100 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Injection, onabotulinumtoxina, 1 unit (J0585)23,500 services
- Injection, iron sucrose, 1 mg (J1756)10,600 services
- Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)853 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)676 services
- Psychotherapy, 45 minutes (90834)385 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 cholesterol75%
- High blood pressure66%
- Arthritis59%
- Anxiety51%
- Diabetes32%
- Ischemic heart disease29%
Practice locations
Addresses where Mahmood I. Siddique is enrolled with Medicare (CMS data updated October 2, 2026).
- 31 E Darrah LnLawrenceville, NJ 08648 (609) 587‑9944
Specialties
- Internal Medicineprimary
- Pulmonary Diseasealso
- Sleep Medicinealso
Other internal medicine doctors in Lawrenceville
Clinicians with the same Medicare primary specialty in Lawrenceville, NJ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1700976073 |
| 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
- 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