Quick answers
- Does Ahmed A. Khan accept Medicare assignment?
- Yes. Medicare's clinician data says Ahmed A. 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 Ahmed A. Khan see?
- In 2024, CMS data shows 1,067 Original Medicare patients and 3,405 services for Ahmed A. Khan. This counts Original Medicare only and measures volume, not quality.
- What is Ahmed A. Khan's NPI number?
- 1639165277. 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 Ahmed A. 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 | 1,067 |
|---|---|
| Services billed to Medicare | 3,405 |
| Different services or procedures | 88 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)568 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)491 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)437 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days (93296)311 services
- Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days (93294)185 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 disease72%
- Arthritis47%
- Chronic kidney disease42%
- Atrial fibrillation41%
Hospitals where Ahmed A. Khan works
Medicare's Facility Affiliation Data lists Ahmed A. 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.
- Franklin Woods Community HospitalJohnson City, TN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 440184
- Greeneville Community HospitalGreeneville, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440050
- Johnson City Medical CenterJohnson City, TN · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 440063
- Johnson County Community HospitalMountain City, TN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 441304
- Sycamore Shoals HospitalElizabethton, TN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 440018
Practice locations
Addresses where Ahmed A. Khan is enrolled with Medicare (CMS data updated October 2, 2026).
- 310 N State of Franklin Rd, Suite 400Johnson City, TN 37604 (423) 979‑6000
Group practices
Medicare enrollment lists Ahmed A. Khan as a member of this group (CMS data updated October 2, 2026).
- Wellmont Cardiology Services139 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Tennessee →
Other cardiologists in Johnson City
Clinicians with the same Medicare primary specialty in Johnson City, TN — not a recommendation.
Other clinicians in Wellmont Cardiology Services
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1973 (53 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639165277 |
| 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