Quick answers
- Does Robert J. Allen Jr. accept Medicare assignment?
- Yes. Medicare's clinician data says Robert J. Allen Jr. 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 Robert J. Allen Jr. see?
- In 2024, CMS data shows 100 Original Medicare patients and 241 services for Robert J. Allen Jr.. This counts Original Medicare only and measures volume, not quality.
- What is Robert J. Allen Jr.'s NPI number?
- 1023251287. 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 Robert J. Allen Jr., 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 | 100 |
|---|---|
| Services billed to Medicare | 241 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)69 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)37 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)70%
- High blood pressure58%
- Arthritis49%
- Anxiety40%
- Depression29%
Practice locations
Addresses where Robert J. Allen Jr. is enrolled with Medicare (CMS data updated October 2, 2026).
- 1275 York AveNew York, NY 10065 (212) 639‑2000
- 136 Mountainview BlvdBasking Ridge, NJ 07920 (908) 542‑3000
Group practices
Medicare enrollment lists Robert J. Allen Jr. as a member of these groups (CMS data updated October 2, 2026).
- MSKCC Surgery Group369 clinicians in the group
- Memorial Sloan Kettering Cancer Center at Basking Ridge New Jersey229 clinicians in the group
Specialties
Find other Plastic and Reconstructive Surgery doctors in New York →
Other plastic surgeons 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 | Un Of California, Irvine, College Of Medicine |
| Graduation year | 2007 (19 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1023251287 |
| 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