Quick answers
- Does Najam Siddiqui accept Medicare assignment?
- Yes. Medicare's clinician data says Najam Siddiqui 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 Najam Siddiqui see?
- In 2024, CMS data shows 319 Original Medicare patients and 775 services for Najam Siddiqui. This counts Original Medicare only and measures volume, not quality.
- What is Najam Siddiqui's NPI number?
- 1598297194. 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 Najam Siddiqui, 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 | 319 |
|---|---|
| Services billed to Medicare | 775 |
| Different services or procedures | 29 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Critical care, first 30-74 minutes (99291)407 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)211 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)25 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)23 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)15 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%
- Heart failure58%
- Diabetes54%
- Chronic kidney disease53%
- Ischemic heart disease52%
Hospitals where Najam Siddiqui works
Medicare's Facility Affiliation Data lists Najam Siddiqui 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.
- Medical City PlanoPlano, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450651
- Methodist Charlton Medical CenterDallas, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450723
- Methodist Southlake Medical CenterSouthlake, TX · Acute Care Hospital · Emergency services: listed by Medicare · CCN 670132
- Texas Health Harris Methodist Hurst-Euless-BedfordBedford, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450639
- Texas Health Presbyterian Hospital DentonDenton, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 450743
Practice locations
Addresses where Najam Siddiqui is enrolled with Medicare (CMS data updated October 2, 2026).
- 221 W Colorado Blvd, Suite 525Dallas, TX 75208
Group practices
Medicare enrollment lists Najam Siddiqui as a member of this group (CMS data updated October 2, 2026).
- Dallas Pulmonary and Critical Care PA182 clinicians in the group
Specialties
- Pulmonary Diseaseprimary
Other pulmonologists in Dallas
Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.
Other clinicians in Dallas Pulmonary and Critical Care PA
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Lake Erie College Of Osteopathic Medicine, Erie |
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1598297194 |
| 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