Quick answers
- Does Sarah Y. Fan accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah Y. Fan 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 Sarah Y. Fan see?
- In 2024, CMS data shows 2,025 Original Medicare patients and 4,533 services for Sarah Y. Fan. This counts Original Medicare only and measures volume, not quality.
- What is Sarah Y. Fan's NPI number?
- 1821035411. 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 Sarah Y. Fan, 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 | 2,025 |
|---|---|
| Services billed to Medicare | 4,533 |
| Different services or procedures | 32 |
| 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)1,055 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)942 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)842 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)428 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)394 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%
- Arthritis52%
- Diabetes45%
- Heart failure41%
Hospitals where Sarah Y. Fan works
Medicare's Facility Affiliation Data lists Sarah Y. Fan 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.
- Clara Maass Medical CenterBelleville, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310009
- Community Medical CenterToms River, NJ · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 310041
- Cooperman Barnabas Medical CenterLivingston, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310076
- Morristown Medical CenterMorristown, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310015
- Newton Medical CenterNewton, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310028
Practice locations
Addresses where Sarah Y. Fan is enrolled with Medicare (CMS data updated October 2, 2026).
- 200 S Orange AveLivingston, NJ 07039
- 375 Mount Pleasant AveWest Orange, NJ 07052 (973) 731‑9442
- 94 Old Short Hills RdLivingston, NJ 07039
Group practices
Medicare enrollment lists Sarah Y. Fan as a member of this group (CMS data updated October 2, 2026).
- Barnabas Health Medical Group PC1,070 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New Jersey →
Other cardiologists in Livingston
Clinicians with the same Medicare primary specialty in Livingston, NJ — not a recommendation.
Other clinicians in Barnabas Health Medical Group PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Perelman School Of Med At The University Of Pennsylvania |
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1821035411 |
| 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