Sangbaek C. Oh, MD

Medicare activity in 2024

Official CMS public-use data for Sangbaek C. Oh, 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)274 services
2. Biopsy of large bowel using a flexible endoscope (45380)181 services
3. Removal of polyps or growths of large bowel using a flexible endoscope with electrical cautery (45384)181 services
4. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)172 services
5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)147 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 pressure73%
• Arthritis49%
• Ischemic heart disease31%
• Diabetes28%
• Anxiety28%

Hospitals where Sangbaek C. Oh works

Medicare's Facility Affiliation Data lists Sangbaek C. Oh 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.

• Hackensack Meridian Mountainside MedicalMontclair, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310054

Practice locations

Addresses where Sangbaek C. Oh is enrolled with Medicare (CMS data updated October 2, 2026).

• 1 Bay AveMontclair, NJ 07042 (201) 781‑1387
• 311 Bay AveGlen Ridge, NJ 07028 (973) 748‑9246
• 622 Franklin AveNutley, NJ 07110 (973) 661‑1900

Group practices

Medicare enrollment lists Sangbaek C. Oh as a member of this group (CMS data updated October 2, 2026).

• MPV New Jersey MD Services PC151 clinicians in the group

Specialties

• Gastroenterologyprimary
• Internal Medicinealso

Find other Gastroenterology doctors in New Jersey →

Other gastroenterologists in Montclair

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

• Zamir S. Brelvi, MD
• Masood A. Rizvi, MD
• Oleg Shulik, MD
• Sameet Shah, DO
• Elizabeth S. John, MD

All gastroenterologists in Montclair →

Other clinicians in MPV New Jersey MD Services PC

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

• Rajeshree P. Chinchankar, MD
• Aileen T. Twomey, NP
• Robert H. Pittman, MD
• Batsheva L. Bane, CNM
• Carolyn J. Mudry, DO
• Deana T. Nes, DO

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