Quick answers
- Does Nadeem A. Siddiqui accept Medicare assignment?
- Yes. Medicare's clinician data says Nadeem A. 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 Nadeem A. Siddiqui see?
- In 2024, CMS data shows 381 Original Medicare patients and 7,606 services for Nadeem A. Siddiqui. This counts Original Medicare only and measures volume, not quality.
- What is Nadeem A. Siddiqui's NPI number?
- 1417915844. 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 Nadeem A. 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 | 381 |
|---|---|
| Services billed to Medicare | 7,606 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)961 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)368 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)282 services
- Dialysis services, 4 or more physician visits per month (20 years or older) (90960)121 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)121 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%
- Chronic kidney disease75%
- Diabetes62%
- Ischemic heart disease55%
- Arthritis51%
Hospitals where Nadeem A. Siddiqui works
Medicare's Facility Affiliation Data lists Nadeem A. 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.
- Baylor Regional Medical Center at PlanoPlano, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 450890
- Baylor Scott & White Medical Center - CentennialFrisco, TX · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 450885
- Baylor Scott & White the Heart Hospital PlanoPlano, TX · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 670025
- Medical City PlanoPlano, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450651
Practice locations
Addresses where Nadeem A. Siddiqui is enrolled with Medicare (CMS data updated October 2, 2026).
- 4701 Old Shepard Pl, Suite 100Plano, TX 75093 (214) 358‑2300
Group practices
Medicare enrollment lists Nadeem A. Siddiqui as a member of this group (CMS data updated October 2, 2026).
- Dallas Nephrology Associates157 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Plano
Clinicians with the same Medicare primary specialty in Plano, TX — not a recommendation.
Other clinicians in Dallas Nephrology Associates
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1993 (33 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) | 1417915844 |
| 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