Dr. Wei Sun, M.D.
What this data tells you about Dr. Sun
Dr. Wei Sun is a cytopathology physician in New York, NY, with 20 years of NPI registration. Based on federal Medicare data, Dr. Sun performed 2,348 Medicare services across 1,783 unique beneficiaries.
Between the years covered by Open Payments, Dr. Sun received a total of $700 from 9 pharmaceutical and/or device companies across 30 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in cytopathology physician. 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. Sun 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 |
|---|---|---|---|
| Tissue staining for diagnosis, initial A laboratory test where special stains are applied to tissue slides to help examine the cells and identify specific characteristics. |
558 | $30 | $497 |
| Cell examination with selective cellular enhancement A laboratory test that examines cells from a specimen using a technique to selectively enhance specific cellular features for detailed analysis. |
555 | $24 | $93 |
| Fine needle aspirate evaluation and report A pathologist examines cells collected via a fine needle aspiration and provides a written interpretation and report of the findings. |
342 | $143 | $1,055 |
| Manual urine cell examination A laboratory test where a technician manually examines a urine sample under a microscope to identify and count cells. |
318 | $50 | $153 |
| Tissue staining for diagnosis, additional An extra laboratory procedure to apply special stains to tissue slides for detailed examination. |
144 | $24 | $198 |
| Fine needle aspirate evaluation A laboratory examination of cells collected via fine needle aspiration to assess for abnormalities. |
141 | $49 | $383 |
| Additional Pap test evaluation episode An additional immediate evaluation of a fine needle aspirate sample during a Pap test procedure. |
104 | $26 | $202 |
| Special stain test for organisms A laboratory test using special stains on tissue slides to identify microorganisms. The process includes the technical preparation of the slides and a professional interpretation of the results. |
52 | $23 | $195 |
| Ultrasound-guided fine needle aspiration biopsy, first lesion A biopsy procedure where a thin needle is used to collect tissue samples from a growth, guided by ultrasound imaging. This code applies to the first lesion or mass sampled during the session. |
51 | $112 | $992 |
| Cell examination of specimen, concentration technique A laboratory test that uses a concentration technique to examine cells from a specimen. |
23 | $19 | $155 |
| Ultrasound-guided fine needle aspiration biopsy, each additional growth This procedure involves using ultrasound guidance to perform a fine needle aspiration biopsy on an additional growth during the same session. |
20 | $55 | $608 |
| Pap test A screening test to check for cervical cancer by collecting cells from the cervix. |
20 | $18 | $220 |
| Tissue pathology examination, moderate complexity A laboratory test where a pathologist examines tissue samples under a microscope to analyze cellular details. This intermediate complexity procedure involves specialized techniques to identify abnormalities in the tissue. |
20 | $48 | $305 |
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. Sun is a clinical cardiology specialist, with above-average Medicare volume (top 23% in NY), with low-engagement industry engagement in the top 17% of NY peers, with 20 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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