Quick answers
- Does Jonathan S. Fainberg accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan S. Fainberg 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 Jonathan S. Fainberg see?
- In 2024, CMS data shows 484 Original Medicare patients and 1,032 services for Jonathan S. Fainberg. This counts Original Medicare only and measures volume, not quality.
- What is Jonathan S. Fainberg's NPI number?
- 1780070789. 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 Jonathan S. Fainberg, 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 | 484 |
|---|---|
| Services billed to Medicare | 1,032 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Ultrasound scan of pelvic region through rectum (76872)197 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)189 services
- Biopsy of prostate gland (55700)177 services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)143 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)103 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 cholesterol75%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
- High blood pressure72%
- Arthritis44%
- Ischemic heart disease41%
- Diabetes25%
Practice locations
Addresses where Jonathan S. Fainberg is enrolled with Medicare (CMS data updated October 2, 2026).
- 1275 York AveNew York, NY 10065 (212) 639‑2000
- 2236 Nostrand AveBrooklyn, NY 11210 (212) 639‑2000
- 225 Summit AveMontvale, NJ 07645 (908) 542‑3336
Group practices
Medicare enrollment lists Jonathan S. Fainberg as a member of these groups (CMS data updated October 2, 2026).
- MSKCC Surgery Group369 clinicians in the group
- MSK Bergen255 clinicians in the group
- Memorial Medical Care PC13 clinicians in the group
Specialties
- Urologyprimary
Other urologists in New York
Clinicians with the same Medicare primary specialty in New York, NY — not a recommendation.
Other clinicians in MSKCC Surgery Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 2015 (11 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) | 1780070789 |
| 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