Quick answers
- Does Tazleem S. Khan accept Medicare assignment?
- Yes. Medicare's clinician data says Tazleem S. Khan 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 Tazleem S. Khan see?
- In 2024, CMS data shows 1,288 Original Medicare patients and 4,593 services for Tazleem S. Khan. This counts Original Medicare only and measures volume, not quality.
- What is Tazleem S. Khan's NPI number?
- 1821397100. 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 Tazleem S. Khan, 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 | 1,288 |
|---|---|
| Services billed to Medicare | 4,593 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)1,770 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)388 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)378 services
- Dialysis services, 4 or more physician visits per month (20 years or older) (90960)339 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)333 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%
- Ischemic heart disease73%
- Diabetes65%
- Arthritis64%
Hospitals where Tazleem S. Khan works
Medicare's Facility Affiliation Data lists Tazleem S. Khan 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.
- Chsli St Joseph HospitalBethpage, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330332
- Good Samaritan Hospital Medical CenterWest Islip, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330286
- Plainview HospitalPlainview, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330331
Practice locations
Addresses where Tazleem S. Khan is enrolled with Medicare (CMS data updated October 2, 2026).
- 4250 Hempstead Tpke, Suite 17Bethpage, NY 11714 (516) 735‑5522
Group practices
Medicare enrollment lists Tazleem S. Khan as a member of this group (CMS data updated October 2, 2026).
- Long Island Kidney Associates, PC4 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Bethpage
Clinicians with the same Medicare primary specialty in Bethpage, NY — not a recommendation.
Other clinicians in Long Island Kidney Associates, PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2011 (15 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) | 1821397100 |
| 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