Quick answers
- Does Marc J. Gollub accept Medicare assignment?
- Yes. Medicare's clinician data says Marc J. Gollub 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 Marc J. Gollub see?
- In 2024, CMS data shows 1,103 Original Medicare patients and 1,687 services for Marc J. Gollub. This counts Original Medicare only and measures volume, not quality.
- What is Marc J. Gollub's NPI number?
- 1811975451. 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 Marc J. Gollub, 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 | 1,103 |
|---|---|
| Services billed to Medicare | 1,687 |
| Different services or procedures | 33 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Ct scan of abdomen and pelvis with contrast (74177)577 services
- Ct scan of chest with contrast (71260)514 services
- Ct scan of chest without contrast (71250)151 services
- Mri scan of pelvis without contrast (72195)68 services
- Ct scan of abdomen and pelvis without contrast (74176)68 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)69%
- Arthritis50%
- Ischemic heart disease36%
- Anxiety35%
Hospitals where Marc J. Gollub works
Medicare's Facility Affiliation Data lists Marc J. Gollub 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.
- Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310001
- Holy Name Medical CenterTeaneck, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310008
- Riverview Medical CenterRed Bank, NJ · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 310034
- St Francis Hospital - The Heart CenterRoslyn, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330182
Practice locations
Addresses where Marc J. Gollub is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 9; the Medicare profile lists all.
- 1101 Hempstead TpkeUniondale, NY 11553 (516) 559‑1000
- 1275 York AveNew York, NY 10065 (212) 639‑2000
- 136 Mountainview BlvdBasking Ridge, NJ 07920 (908) 542‑3000
- 160 E 53rd StNew York, NY 10022 (212) 610‑0496
- 225 Summit AveMontvale, NJ 07645 (908) 542‑3336
Group practices
Medicare enrollment lists Marc J. Gollub as a member of these groups (CMS data updated October 2, 2026).
- MSK Monmouth295 clinicians in the group
- MSK Bergen255 clinicians in the group
- Memorial Sloan Kettering Cancer Center at Basking Ridge New Jersey229 clinicians in the group
- MSKCC Radiology Group193 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Uniondale
Clinicians with the same Medicare primary specialty in Uniondale, NY — not a recommendation.
Other clinicians in MSK Monmouth
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Hahnemann University College Of Medicine |
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1811975451 |
| 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