Quick answers
- Does Karthik R. Gujja accept Medicare assignment?
- Yes. Medicare's clinician data says Karthik R. Gujja 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 Karthik R. Gujja see?
- In 2024, CMS data shows 632 Original Medicare patients and 3,129 services for Karthik R. Gujja. This counts Original Medicare only and measures volume, not quality.
- What is Karthik R. Gujja's NPI number?
- 1780843086. 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 Karthik R. Gujja, 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 | 632 |
|---|---|
| Services billed to Medicare | 3,129 |
| Different services or procedures | 64 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)414 services
- Complete ultrasound study of arm and leg arteries (93923)369 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)227 services
- Ultrasound of leg arteries or artery grafts (93925)171 services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)159 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%
- Diabetes75%
- Arthritis54%
- Ischemic heart disease54%
- Chronic kidney disease34%
Hospitals where Karthik R. Gujja works
Medicare's Facility Affiliation Data lists Karthik R. Gujja 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.
- Mount Sinai HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024
- Mount Sinai South NassauOceanside, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330198
Practice locations
Addresses where Karthik R. Gujja is enrolled with Medicare (CMS data updated October 2, 2026).
- 1 Gustave L Levy PlNew York, NY 10029 (212) 731‑7822
- 1 Healthy WayOceanside, NY 11572 (212) 241‑1382
- 1600 Stewart Ave, Suite 105Westbury, NY 11590 (516) 833‑5505
- 813 Southern BlvdBronx, NY 10459 (516) 833‑5505
Group practices
Medicare enrollment lists Karthik R. Gujja as a member of these groups (CMS data updated October 2, 2026).
- Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
- Long Island Heart and Vascular Specialist PC4 clinicians in the group
Specialties
- Cardiovascular Disease (Cardiology)primary
- Internal Medicinealso
- Interventional Cardiologyalso
- Nuclear Medicinealso
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 Icahn School of Medicine at Mount Sinai
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 (23 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780843086 |
| 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