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Endocrinology

Aviva Cohn, MD

Works at hospitals in New Brunswick, NJ · New Jersey

Summary

Dr. Aviva Cohn, MD is an endocrinologist at 1 Robert Wood Johnson Pl, Rutgers Health Rwj Endocrinology, New Brunswick, NJ 08901. Phone: (732) 828-3000. Accepts Medicare assignment. In 2024, Aviva Cohn had 139 Original Medicare patients and 403 services. NPI 1952840621. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Endocrinologist (Medicare lists Endocrinology)
  • Address: 1 Robert Wood Johnson Pl, Rutgers Health Rwj Endocrinology, New Brunswick, NJ 08901 · Directions (1 more location)
  • Phone: (732) 828‑3000
  • Medicare: Accepts Medicare assignment
  • Hospital: Robert Wood Johnson University Hospital
  • Group practice: Rutgers Health-Rwj Scleroderma Program
  • Medical school: Rutgers New Jersey Medical School · graduated 2015 (11 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Aviva Cohn, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Aviva Cohn accept Medicare assignment?
Yes. Medicare's clinician data says Aviva Cohn 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 Aviva Cohn see?
In 2024, CMS data shows 139 Original Medicare patients and 403 services for Aviva Cohn. This counts Original Medicare only and measures volume, not quality.
What is Aviva Cohn's NPI number?
1952840621. 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 Aviva Cohn, 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 patients139
Services billed to Medicare403
Different services or procedures12
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)202 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)94 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)34 services
  4. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)17 services
  5. 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)17 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%
  • Diabetes68%
  • Ischemic heart disease53%
  • Chronic kidney disease44%
  • Heart failure42%

Hospitals where Aviva Cohn works

Medicare's Facility Affiliation Data lists Aviva Cohn 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.

Practice locations

Addresses where Aviva Cohn is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Aviva Cohn as a member of this group (CMS data updated October 2, 2026).

  • Rutgers Health-Rwj Scleroderma Program391 clinicians in the group

Specialties

Find other Endocrinology doctors in New Jersey →

Other endocrinologists in New Brunswick

Clinicians with the same Medicare primary specialty in New Brunswick, NJ — not a recommendation.

All endocrinologists in New Brunswick →

Other clinicians in Rutgers Health-Rwj Scleroderma Program

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolRutgers New Jersey Medical School
Graduation year2015 (11 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1952840621
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians