Ji Dong Bai, MD

Medicare activity in 2024

Official CMS public-use data for Ji Dong Bai, 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. Microscopic genetic analysis of tumor, manual (88360)176 services
2. Pathology examination of tissue using a microscope, moderately high complexity (88307)119 services
3. Pathology examination of tissue using a microscope, intermediate complexity (88305)113 services
4. Special stained specimen slides to examine tissue, each additional procedure (88341)102 services
5. Special stained specimen slides to examine tissue, initial procedure (88342)66 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)74%
• High blood pressure66%
• Arthritis49%
• Osteoporosis34%
• Anxiety31%

Hospitals where Ji Dong Bai works

Medicare's Facility Affiliation Data lists Ji Dong Bai 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.

• Duke University HospitalDurham, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340030
• Suny/Stony Brook University HospitalStony Brook, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330393

Practice locations

Addresses where Ji Dong Bai is enrolled with Medicare (CMS data updated October 2, 2026).

• 100 Nicolls RdStony Brook, NY 11790 (631) 444‑2222
• 3400 Wake Forest Rd, Suite 310Raleigh, NC 27609 (919) 620‑4855
• 40 Duke Medicine CirDurham, NC 27710 (919) 684‑8111

Group practices

Medicare enrollment lists Ji Dong Bai as a member of these groups (CMS data updated October 2, 2026).

• Duke Health Integrated Practice, Inc3,185 clinicians in the group
• Stony Brook Pathologists, University Faculty Practice Corporation25 clinicians in the group

Specialties

• Pathologyprimary

Find other Pathology doctors in New York →

Other pathologists in Stony Brook

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

• Linda J. Mamone, MD
• Katherine A. Weng, MD
• Ashley Ellis, MD
• Kenneth R. Shroyer, MD
• Randolph A. Hennigar, MD
• Riddhish T. Sheth, MD
• Shah M. Giashuddin, MD
• Jared K. Woods

All pathologists in Stony Brook →

Other clinicians in Duke Health Integrated Practice, Inc

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

• Violeta Saenz, CNA
• Jerome J. Federspiel, MD
• Brian D. Lewis, MD
• Anil K. Vasireddi, MD
• Kelly A. Stauffacher, CNA
• Nicole A. Penke, 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