Quick answers
- Does Douglas J. Hart accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas J. Hart 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 Douglas J. Hart see?
- In 2024, CMS data shows 2,345 Original Medicare patients and 4,855 services for Douglas J. Hart. This counts Original Medicare only and measures volume, not quality.
- What is Douglas J. Hart's NPI number?
- 1801808878. 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 Douglas J. Hart, 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 | 2,345 |
|---|---|
| Services billed to Medicare | 4,855 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 78 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,877 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)750 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)645 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)536 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)160 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%
- Arthritis49%
- Ischemic heart disease49%
- Atrial fibrillation38%
- Diabetes34%
Hospitals where Douglas J. Hart works
Medicare's Facility Affiliation Data lists Douglas J. Hart 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.
- Montefiore New Rochelle HospitalNew Rochelle, NY · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 330184
- New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330101
- White Plains Hospital CenterWhite Plains, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330304
Practice locations
Addresses where Douglas J. Hart is enrolled with Medicare (CMS data updated October 2, 2026).
- 122 Maple AveWhite Plains, NY 10601 (914) 285‑9808
Group practices
Medicare enrollment lists Douglas J. Hart as a member of this group (CMS data updated October 2, 2026).
- White Plains Physician Services PC386 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in New York →
Other cardiologists in White Plains
Clinicians with the same Medicare primary specialty in White Plains, NY — not a recommendation.
Other clinicians in White Plains Physician Services PC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 1990 (36 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) | 1801808878 |
| 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