Dr. Yi Zhang, M.D.
What this data tells you about Dr. Zhang
Dr. Yi Zhang is an emergency medicine specialist in Rancho Cucamonga, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Zhang performed 1,047 Medicare services across 699 unique beneficiaries.
Between the years covered by Open Payments, Dr. Zhang received a total of $118 from 4 pharmaceutical and/or device companies across 6 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in emergency medicine. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Zhang is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
224 | $95 | $203 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
174 | $0 | $15 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
112 | $110 | $329 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
84 | $11 | $62 |
| Ceftriaxone antibiotic injection This code represents the administration of ceftriaxone sodium, an antibiotic medication. The charge is calculated for every 250 mg of the drug administered. |
64 | $0 | $24 |
| Chest X-ray, 2 views An X-ray imaging test of the chest that captures two different angles to visualize the lungs, heart, and chest wall. |
54 | $26 | $77 |
| Ketorolac injection, per 15 mg An injection of ketorolac tromethamine, a nonsteroidal anti-inflammatory drug, administered in doses measured per 15 mg. |
54 | $0 | $20 |
| COVID-19 viral test, non-CDC A laboratory test to detect the SARS-CoV-2 virus (COVID-19) using any technique and targeting multiple types or subtypes. This specific code is for tests performed by laboratories that are not the CDC. |
52 | $50 | $85 |
| Urinalysis, manual A manual laboratory examination of a urine sample to check for various substances and cells. |
49 | $3 | $24 |
| SARS-CoV-2 immunoassay test A laboratory test using immunoassay techniques to detect the presence of severe acute respiratory syndrome coronavirus. |
39 | $35 | $100 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
28 | $70 | $135 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
23 | $8 | $28 |
| Methylprednisolone injection, up to 125 mg An injection of methylprednisolone sodium succinate, a corticosteroid medication, with a dosage of up to 125 mg. |
18 | $4 | $14 |
| Strep A rapid test A rapid test to detect Group A Streptococcus bacteria using an immunoassay method with direct visual observation. |
17 | $16 | $73 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
16 | $10 | $113 |
| Inhalation treatment for airway obstruction or sputum production A treatment involving the inhalation of medication to help clear airway obstructions or reduce sputum production. |
15 | $8 | $73 |
| Inhaled albuterol and ipratropium bromide via DME Administration of FDA-approved albuterol and ipratropium bromide medication through durable medical equipment. |
13 | $0 | $5 |
| New patient office visit (30-44 min) An initial office visit for a new patient lasting between 30 and 44 minutes. This code is used when the total time spent on the date of the encounter falls within this range. |
11 | $92 | $226 |
Industry Payment Transparency
Open Payments through 2018 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2018)
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
5.9 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2018 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Zhang is a clinical cardiology specialist, with above-average Medicare volume (top 7% in CA), with low-engagement industry engagement, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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