Quick answers
- Does Mark A. Gorny accept Medicare assignment?
- Yes. Medicare's clinician data says Mark A. Gorny 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 Mark A. Gorny see?
- In 2024, CMS data shows 324 Original Medicare patients and 1,894 services for Mark A. Gorny. This counts Original Medicare only and measures volume, not quality.
- What is Mark A. Gorny's NPI number?
- 1306839394. 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 Mark A. Gorny, 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 | 324 |
|---|---|
| Services billed to Medicare | 1,894 |
| Different services or procedures | 37 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)436 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)347 services
- Insertion of needle into vein for collection of blood sample (36415)339 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)204 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)141 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 cholesterol73%
- High blood pressure64%
- Arthritis40%
- Ischemic heart disease27%
- Diabetes22%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)18%
Practice locations
Addresses where Mark A. Gorny is enrolled with Medicare (CMS data updated October 2, 2026).
- 425 W 59th StNew York, NY 10019 (212) 492‑5500
Group practices
Medicare enrollment lists Mark A. Gorny as a member of this group (CMS data updated October 2, 2026).
- Icahn School of Medicine at Mount Sinai2,843 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors 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 |
|---|---|
| Medical school | New York University School Of Medicine |
| 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) | 1306839394 |
| 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
- 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