Dr. Emery Chen, M.D.
What this data tells you about Dr. Chen
Dr. Emery Chen is a surgery specialist in Palmdale, CA, with 18 years of NPI registration. Based on federal Medicare data, Dr. Chen performed 4,995 Medicare services across 227 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chen received a total of $38,693 from 30 pharmaceutical and/or device companies across 254 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in surgery. 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. Chen 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 |
|---|---|---|---|
| Amniotic membrane graft, per square centimeter Application of processed amniotic membrane tissue to a wound or surgical site. The tissue is measured and billed based on the surface area applied. |
2,973 | $106 | $250 |
| Additional skin and tissue removal, per 20 sq cm This code covers the removal of skin and tissue for each additional 20 square centimeters or less beyond the initial procedure. |
1,111 | $21 | $241 |
| Skin and tissue removal, 20 sq cm or less This procedure involves the surgical excision of skin and underlying tissue from an area measuring 20 square centimeters or smaller. |
515 | $47 | $675 |
| Oxygen chamber therapy management This code covers the professional management and oversight of a patient undergoing oxygen chamber therapy. It involves monitoring the patient's response and adjusting the treatment plan as needed. |
124 | $88 | $230 |
| Skin substitute graft application, 25 sq cm or less Application of a skin substitute graft to a wound on the trunk, arms, or legs covering 25 square centimeters or less. |
93 | $137 | $500 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
58 | $100 | $650 |
| 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. |
47 | $95 | $175 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
21 | $145 | $1,200 |
| Skin graft site preparation, trunk/arms/legs Preparation of the skin area on the trunk, arms, or legs to receive a skin graft. This procedure is specified for infants and children covering 100.0 square centimeters or 1% of body area or less. |
15 | $183 | $1,290 |
| New patient office visit, complex (60-74 min) | 14 | $188 | $260 |
| Skin graft repair, 30.1-60.0 sq cm A surgical procedure to repair a wound by transferring skin from one area to another. This code applies to grafts covering an area between 30.1 and 60.0 square centimeters. |
13 | $457 | $5,500 |
| 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. |
11 | $130 | $230 |
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 (56%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians. Total industry engagement is in the top 6% for surgery in CA.
Geographic Context
9.8 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. Chen is a mixed practice specialist, with above-average Medicare volume (top 1% in CA), with low-engagement industry engagement in the top 6% of CA peers, with 18 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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