Quick answers
- Does George G. Gubernikoff accept Medicare assignment?
- Yes. Medicare's clinician data says George G. Gubernikoff 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 George G. Gubernikoff see?
- In 2024, CMS data shows 2,296 Original Medicare patients and 5,005 services for George G. Gubernikoff. This counts Original Medicare only and measures volume, not quality.
- What is George G. Gubernikoff's NPI number?
- 1447246988. 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 George G. Gubernikoff, 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 | 2,296 |
|---|---|
| Services billed to Medicare | 5,005 |
| Different services or procedures | 39 |
| 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)1,178 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)974 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)359 services
- Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)313 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)297 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 disease61%
- Arthritis60%
- Chronic kidney disease53%
- Heart failure49%
Hospitals where George G. Gubernikoff works
Medicare's Facility Affiliation Data lists George G. Gubernikoff 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.
- Long Island Community HospitalPatchogue, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330141
- Mount Sinai South NassauOceanside, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330198
- 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 George G. Gubernikoff is enrolled with Medicare (CMS data updated October 2, 2026).
- 111 BroadwayNew York, NY 10006 (212) 263‑9700
- 1530 Front StEast Meadow, NY 11554 (516) 324‑7500
- 212 Jericho TpkeMineola, NY 11501 (516) 663‑4480
- 259 1st StMineola, NY 11501
- 297 Mineola BlvdMineola, NY 11501 (516) 294‑1377
Group practices
Medicare enrollment lists George G. Gubernikoff 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 | Icahn School Of Medicine At Mount Sinai |
| Graduation year | 1981 (45 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447246988 |
| 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