Robert B. Fath Jr., MD

Medicare activity in 2024

Official CMS public-use data for Robert B. Fath Jr., 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)221 services
2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)174 services
3. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)120 services
4. Biopsy of large bowel using a flexible endoscope (45380)117 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)109 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 pressure62%
• Arthritis43%
• Ischemic heart disease30%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)25%
• Osteoporosis24%

Hospitals where Robert B. Fath Jr. works

Medicare's Facility Affiliation Data lists Robert B. Fath Jr. 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.

• New York-Presbyterian HospitalNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330101
• 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 Robert B. Fath Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 600 Mamaroneck AveHarrison, NY 10528 (914) 723‑8100

Group practices

Medicare enrollment lists Robert B. Fath Jr. as a member of this group (CMS data updated October 2, 2026).

• White Plains Physician Services PC386 clinicians in the group

Specialties

• Internal Medicineprimary
• Gastroenterologyalso

Find other Internal Medicine doctors in New York →

Other internal medicine doctors in Harrison

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

• Bradley K. Adler, MD
• Zakia Irum, MD
• Prajna Latika, MD
• Jeannette L. Yuen, MD
• Deborah J. Hemel, MD
• Jeffrey D. Gross, MD
• Thomas M. Karoff, DO
• Steven M. Margulis, MD

All internal medicine doctors in Harrison →

Other clinicians in White Plains Physician Services PC

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

• Lucille C. Milne, CNM
• Bradley K. Adler, MD
• Melba Beltre, MD
• Dana K. Bryant, MD
• Myung-Ho Lee, MD
• Kimberly Marino, PA

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