Dr. Helen Feng, MD
What this data tells you about Dr. Feng
Dr. Helen Feng is a rheumatology specialist in San Jose, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Feng performed 18,498 Medicare services across 886 unique beneficiaries.
Between the years covered by Open Payments, Dr. Feng received a total of $35,341 from 45 pharmaceutical and/or device companies across 1624 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in rheumatology. 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. Feng 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 |
|---|---|---|---|
| Denosumab injection (Prolia/Xgeva) | 15,367 | $19 | $27 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
719 | $162 | $350 |
| Chronic care management, first 20 min/month This service covers the first 20 minutes of clinical staff time directed by a healthcare professional each calendar month to manage chronic conditions. |
458 | $57 | $100 |
| 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. |
392 | $13 | $50 |
| Chronic care management, first 30 minutes This service covers the initial 30 minutes of care coordination for patients with two or more chronic conditions. It is provided personally by a healthcare professional each calendar month. |
367 | $78 | $150 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
317 | $55 | $100 |
| Methotrexate sodium, 50 mg | 224 | $2 | $40 |
| Non-hormonal chemotherapy injection This procedure involves administering non-hormonal anti-neoplastic chemotherapy medication via injection into the skin or muscle tissue. |
219 | $78 | $175 |
| Betamethasone steroid injection An injection containing a combination of betamethasone acetate and betamethasone sodium phosphate. |
131 | $5 | $25 |
| Normal saline infusion, 250 cc Administration of 250 cubic centimeters of normal saline solution into a vein. This procedure involves the intravenous delivery of a sterile saltwater fluid. |
100 | $1 | $60 |
| Arterial line insertion for prolonged infusion A procedure to place a tube into an artery to allow for continuous medication delivery or monitoring over an extended period. |
93 | $103 | $350 |
| Joint injection, major joint Removal of fluid from a large joint and/or injection of medication into the joint space. |
68 | $54 | $175 |
| New patient office visit, complex (60-74 min) | 43 | $197 | $450 |
Industry Payment Transparency
Open Payments through 2024 ↗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 (2024)
All-time payments by company (2018-2024) ›
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
0.0 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 2024 |
| 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. Feng is a mixed practice specialist, with above-average Medicare volume (top 19% in CA), with low-engagement industry engagement in the top 13% of CA peers, 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
Is Dr. Feng experienced with denosumab injection (prolia/xgeva)?
Does Dr. Feng receive payments from pharmaceutical companies?
How do Dr. Feng's costs compare to other rheumatologists in San Jose?
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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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