Quick answers
- Does David A. Boyajian accept Medicare assignment?
- Yes. Medicare's clinician data says David A. Boyajian 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 David A. Boyajian see?
- In 2024, CMS data shows 1,663 Original Medicare patients and 19,237 services for David A. Boyajian. This counts Original Medicare only and measures volume, not quality.
- What is David A. Boyajian's NPI number?
- 1093972101. 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 David A. Boyajian, 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 | 1,663 |
|---|---|
| Services billed to Medicare | 19,237 |
| Different services or procedures | 121 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)12,110 services
- Injection, gadobutrol, 0.1 ml (A9585)4,525 services
- X-ray of chest, 1 view (71045)274 services
- Ct scan of abdomen and pelvis with contrast (74177)201 services
- Injection, gadoxetate disodium, 1 ml (A9581)120 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%
- Arthritis67%
- Ischemic heart disease47%
- Diabetes42%
- Chronic kidney disease35%
Hospitals where David A. Boyajian works
Medicare's Facility Affiliation Data lists David A. Boyajian 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.
- Hospital for Special SurgeryNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 330270
- New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330101
Practice locations
Addresses where David A. Boyajian is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 1305 York Ave, Fl 3New York, NY 10021 (212) 746‑6000
- 2315 Broadway, Frnt 4New York, NY 10024 (212) 746‑6000
- 2825 Jackson Ave, Fl 2Long Island City, NY 11101 (212) 746‑6000
- 416 E 55th StNew York, NY 10022
- 420 E 76th StNew York, NY 10021 (212) 434‑5300
Group practices
Medicare enrollment lists David A. Boyajian as a member of these groups (CMS data updated October 2, 2026).
- Weill Medical College of Cornell2,051 clinicians in the group
- Kings Physician Services PC648 clinicians in the group
- Weill Cornell Imaging at New York Presbyterian150 clinicians in the group
- New York Gracie Square Hospital Inc4 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in Weill Medical College of Cornell
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Harvard Medical School |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1093972101 |
| 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