Quick answers
- Does Howard H. Zhang accept Medicare assignment?
- Yes. Medicare's clinician data says Howard H. Zhang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Howard H. Zhang see?
- In 2024, CMS data shows 411 Original Medicare patients and 873 services for Howard H. Zhang. This counts Original Medicare only and measures volume, not quality.
- What is Howard H. Zhang's NPI number?
- 1851302863. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Howard H. Zhang, 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.
| Original Medicare patients | 411 |
|---|---|
| Services billed to Medicare | 873 |
| Different services or procedures | 35 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Biopsy of large bowel using a flexible endoscope (45380)170 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)161 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)92 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)74 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)73 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 cholesterol74%
- High blood pressure69%
- Arthritis45%
- Diabetes32%
- Ischemic heart disease29%
- Chronic kidney disease24%
Hospitals where Howard H. Zhang works
Medicare's Facility Affiliation Data lists Howard H. Zhang 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.
- Bethesda NorthCincinnati, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360179
- Good Samaritan HospitalCincinnati, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 360134
- McCullough-Hyde Memorial HospitalOxford, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360046
Practice locations
Addresses where Howard H. Zhang is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 10500 Montgomery RdMontgomery, OH 45242
- 10506 A Montgomery RdMontgomery, OH 45242
- 10600 Montgomery Rd, Suite 300Montgomery, OH 45242 (513) 853‑9250
- 375 Dixmyth AveCincinnati, OH 45220
- 379 Dixmyth AveCincinnati, OH 45220
Group practices
Medicare enrollment lists Howard H. Zhang as a member of this group (CMS data updated October 2, 2026).
- TriHealth H LLC850 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Montgomery
Clinicians with the same Medicare primary specialty in Montgomery, OH — not a recommendation.
Other clinicians in TriHealth H LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1851302863 |
| Corrections | Report an error or suggest an update → |
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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians