Justin Johannesen, MD

Medicare activity in 2024

Official CMS public-use data for Justin Johannesen, 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.

Most frequent services

1. Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)309 services
2. Ct scan of blood vessels and grafts of heart with contrast (75574)79 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)75 services
4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)60 services
5. Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)47 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%
• Ischemic heart disease64%
• Diabetes61%
• Heart failure58%
• Chronic kidney disease50%

Hospitals where Justin Johannesen works

Medicare's Facility Affiliation Data lists Justin Johannesen 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.

• Montefiore Medical CenterBronx, NY · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 330059
• Nyack HospitalNyack, NY · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 330104
• White Plains Hospital CenterWhite Plains, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330304

Practice locations

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

• 111 E 210th StBronx, NY 10467
• 16 Guion PlNew Rochelle, NY 10801 (914) 378‑6148
• 3400 Bainbridge AveBronx, NY 10467 (914) 378‑6148

Group practices

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

• Montefiore Medical Center2,820 clinicians in the group

Specialties

• Cardiovascular Disease (Cardiology)primary

Find other Cardiovascular Disease (Cardiology) doctors in New York →

Other cardiologists in Bronx

Clinicians with the same Medicare primary specialty in Bronx, NY — not a recommendation.

• Most Sirajum Munira, MD
• Sachin Kumar Amruthlal Jain, MD
• Ilan Merdler, MD
• Hernando Orjuela, MD
• Bryan R. Latzman, MD
• Christian P. Gonzalez, MD
• Howard I. Rutman, MD
• Thakor C. Rana, MD

All cardiologists in Bronx →

Other clinicians in Montefiore Medical Center

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

• Elisa Chiu, DO
• Trina Dhar, MD
• Robert M. Simon, MD
• Susan A. Fineberg, MD
• Ammara Mushtaq, MD
• Andrew J. Restivo, MD

Clinician information

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