Quick answers
- Does Zhi Zeng accept Medicare assignment?
- Medicare's clinician data says Zhi Zeng may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Zhi Zeng see?
- In 2024, CMS data shows 259 Original Medicare patients and 3,121 services for Zhi Zeng. This counts Original Medicare only and measures volume, not quality.
- What is Zhi Zeng's NPI number?
- 1093801854. 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 Zhi Zeng, 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 | 259 |
|---|---|
| Services billed to Medicare | 3,121 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)633 services
- Telephone medical discussion with physician, 21-30 minutes (99443)348 services
- Complete ultrasound scan of joint (76881)157 services
- Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg (J3420)152 services
- Injection of drug or substance under skin or into muscle (96372)149 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%
- Arthritis72%
- Diabetes46%
- Osteoporosis37%
- Ischemic heart disease34%
Practice locations
Addresses where Zhi Zeng is enrolled with Medicare (CMS data updated October 2, 2026).
- 316 E Las Tunas Dr, Suite 102San Gabriel, CA 91776 (626) 300‑8880
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San Gabriel
Clinicians with the same Medicare primary specialty in San Gabriel, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 (40 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1093801854 |
| 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
- 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