Johanna Fifi, MD

Medicare activity in 2024

Official CMS public-use data for Johanna Fifi, 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. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)43 services
2. 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)30 services
3. Ultrasonic guidance for blood vessel access (76937)21 services
4. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)16 services
5. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)14 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%
• High blood pressure68%
• Arthritis47%
• Stroke or mini-stroke41%
• Diabetes33%
• Ischemic heart disease31%

Hospitals where Johanna Fifi works

Medicare's Facility Affiliation Data lists Johanna Fifi 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.

• Mount Sinai HospitalNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330024
• Mount Sinai WestNew York, NY · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 330046

Practice locations

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

• 2510 30th AveLong Island City, NY 11102 (212) 731‑6761

Group practices

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

• Icahn School of Medicine at Mount Sinai2,843 clinicians in the group

Specialties

• Neurosurgeryprimary

Find other Neurosurgery doctors in New York →

Other neurosurgeons in New York

Clinicians with the same Medicare primary specialty in New York — not a recommendation.

• Tomoyoshi Shigematsu, MD
• Rita C. Crooms, MD
• Joseph A. Demattia, MD
• Steven M. Soler, MD
• Ali Moghaddamjou, MD
• Michael S. Hahn, MD
• Yosef Dastagirzada, MD
• Razvan F. Buciuc, MD

All neurosurgeons in New York →

Other clinicians in Icahn School of Medicine at Mount Sinai

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

• Allen Leung, MD
• Maciej Domek, MD
• Alexis E. Te, MD
• Yves A. Jean, PA
• Audrey Saitta, MD
• Avinash K. Reddy, 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