Quick answers
- Does Najmul H. Khan accept Medicare assignment?
- Yes. Medicare's clinician data says Najmul H. 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 Najmul H. Khan see?
- In 2024, CMS data shows 112 Original Medicare patients and 284 services for Najmul H. Khan. This counts Original Medicare only and measures volume, not quality.
- What is Najmul H. Khan's NPI number?
- 1417276726. 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 Najmul H. 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 | 112 |
|---|---|
| Services billed to Medicare | 284 |
| Different services or procedures | 11 |
| 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 50 minutes (99233)112 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)53 services
- Hospital discharge day management, more than 30 minutes (99239)49 services
- Critical care, first 30-74 minutes (99291)43 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)19 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 disease54%
- COPD51%
- Heart failure50%
- Diabetes47%
Hospitals where Najmul H. Khan works
Medicare's Facility Affiliation Data lists Najmul H. 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.
- Brooks-Tlc Hospital System, IncDunkirk, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330229
- Mount St. Mary's Hospital & Health CenterLewiston, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330188
Practice locations
Addresses where Najmul H. Khan is enrolled with Medicare (CMS data updated October 2, 2026).
- 529 Central AveDunkirk, NY 14048
- 5300 Military RdLewiston, NY 14092 (716) 297‑4800
- 656 N French Rd, Suite 4Amherst, NY 14228 (716) 529‑3777
Group practices
Medicare enrollment lists Najmul H. Khan as a member of these groups (CMS data updated October 2, 2026).
- Buffalo-Niagara Hospitalists LLC35 clinicians in the group
- Brooks-Tlc Hospital System, Inc.10 clinicians in the group
- Compassionate Medical Care of Wny PLLC3 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Dunkirk
Clinicians with the same Medicare primary specialty in Dunkirk, NY — not a recommendation.
Other clinicians in Buffalo-Niagara Hospitalists LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | New York College Of Osteo Medicine Of New York Institute Of Technology |
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1417276726 |
| 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