Quick answers
- Does Karen C. Kan accept Medicare assignment?
- Yes. Medicare's clinician data says Karen C. Kan 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 Karen C. Kan see?
- In 2024, CMS data shows 668 Original Medicare patients and 1,893 services for Karen C. Kan. This counts Original Medicare only and measures volume, not quality.
- What is Karen C. Kan's NPI number?
- 1235429820. 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 Karen C. Kan, 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 | 668 |
|---|---|
| Services billed to Medicare | 1,893 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)585 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)558 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician (93016)188 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)182 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)99 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 disease56%
- Arthritis54%
- Diabetes32%
- Atrial fibrillation31%
Hospitals where Karen C. Kan works
Medicare's Facility Affiliation Data lists Karen C. Kan 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.
- Bellevue Hospital CenterNew York, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330204
- NYU Langone HospitalsNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330214
Practice locations
Addresses where Karen C. Kan is enrolled with Medicare (CMS data updated October 2, 2026).
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 159 E 53rd StNew York, NY 10022 (646) 754‑3300
- 530 1st AveNew York, NY 10016 (212) 263‑7300
- 550 1st AveNew York, NY 10016 (212) 263‑7300
- 560 1st AveNew York, NY 10016 (212) 263‑7300
Group practices
Medicare enrollment lists Karen C. Kan as a member of this group (CMS data updated October 2, 2026).
- New York University6,134 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in New York University
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1235429820 |
| 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