Quick answers
- Does Zev Portnoy accept Medicare assignment?
- Yes. Medicare's clinician data says Zev Portnoy 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 Zev Portnoy see?
- In 2024, CMS data shows 68 Original Medicare patients and 125 services for Zev Portnoy. This counts Original Medicare only and measures volume, not quality.
- What is Zev Portnoy's NPI number?
- 1659747947. 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 Zev Portnoy, 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 | 68 |
|---|---|
| Services billed to Medicare | 125 |
| Different services or procedures | 22 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Detection test by immunoassay with direct visual observation for influenza virus (87804)32 services
- Automated urinalysis test (81003)20 services
- Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus (87426)20 services
- Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) (87880)15 services
- X-ray of chest, 2 views (71046)12 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 cholesterol71%
- High blood pressure62%
- Diabetes47%
- Arthritis29%
- Ischemic heart disease25%
- Osteoporosis25%
Practice locations
Addresses where Zev Portnoy is enrolled with Medicare (CMS data updated October 2, 2026).
- 1771 Madison AveLakewood, NJ 08701 (732) 364‑2144
Group practices
Medicare enrollment lists Zev Portnoy as a member of this group (CMS data updated October 2, 2026).
- Lakewood Resource and Referral Center Inc108 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Lakewood
Clinicians with the same Medicare primary specialty in Lakewood, NJ — not a recommendation.
Other clinicians in Lakewood Resource and Referral Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659747947 |
| 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