Quick answers
- Does Hong Zheng accept Medicare assignment?
- Yes. Medicare's clinician data says Hong Zheng 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 Hong Zheng see?
- In 2024, CMS data shows 468 Original Medicare patients and 896 services for Hong Zheng. This counts Original Medicare only and measures volume, not quality.
- What is Hong Zheng's NPI number?
- 1861796807. 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 Hong Zheng, 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 | 468 |
|---|---|
| Services billed to Medicare | 896 |
| Different services or procedures | 30 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)267 services
- Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician (93018)104 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)84 services
- Ultrasound of heart with color-depicted blood flow, rate and valve function (93325)80 services
- Ultrasound of heart during rest, exercise and/or drug-induced stress with report (93350)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 blood pressure75%
- High cholesterol75%
- Diabetes39%
- Arthritis31%
- Ischemic heart disease25%
- Chronic kidney disease25%
Hospitals where Hong Zheng works
Medicare's Facility Affiliation Data lists Hong Zheng 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.
- California Pacific Medical Center- Van Ness CampusSan Francisco, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 050047
- California Pacific Medical Center-Davies Campus HospitalSan Francisco, CA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 050008
- Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007
- San Mateo Medical CenterSan Mateo, CA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 050113
Practice locations
Addresses where Hong Zheng is enrolled with Medicare (CMS data updated October 2, 2026).
- 1520 Stockton StSan Francisco, CA 94133 (415) 391‑9686
- 222 W 39th AveSan Mateo, CA 94403 (650) 573‑2222
Group practices
Medicare enrollment lists Hong Zheng as a member of these groups (CMS data updated October 2, 2026).
- County of San Mateo310 clinicians in the group
- North East Medical Services143 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in California →
Other cardiologists in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Other clinicians in County of San Mateo
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861796807 |
| 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