Are you Jennifer O. Chan, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileJennifer O. Chan, M.D. practices thoracic surgery (cardiothoracic) in Walnut Creek, CA. Jennifer is also listed as specializing in surgery. Medicare claims data shows Jennifer provided 72 services to 68 patients. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more, removal of lymph nodes of chest cavity using an endoscope, and new patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more. The provider's National Provider Identifier (NPI) is 1265634687.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2637 SHADELANDS DR
Walnut Creek, CA 94598
Within Thoracic Surgery generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Airway
Chest tumors
Chest wall
Diaphragm
Esophagus
Esophagus and stomach
Heart lining
Infection
Lung
Lung cancer
Lung conditions
Nerves
Nerves and blood vessels
Neuromuscular
Pleural disease
Sweating disorders
Trauma
Vascular
Airway
Airway surgery
Chest tumors
Chest wall
Chest wall surgery
Diagnostic tests
Diagnostics
Diaphragm
Diaphragm surgery
Emphysema
Esophagus
Esophagus surgery
Fluid drainage
Heart lining
Lung surgery
Nerves
Pleural disease
Robotic surgery
Surgical approach
Sweat surgery
Transplant
Trauma
72 services · 68 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of lymph nodes of chest cavity using an endoscope | Procedure | 32674 |
14 | Less often than most peers in Thoracic Surgery (Cardiothoracic) |
| Exam of lung with removal of lung lobe using an endoscope | Procedure | 32663 |
12 | Less often than most peers in Thoracic Surgery (Cardiothoracic) |
| Study of esophagus to assess movement | Treatment | 91010 |
11 | Too few peers to compare |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
22 | As often as other peers in Thoracic Surgery (Cardiothoracic) |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
13 | Less often than most peers in Thoracic Surgery (Cardiothoracic) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Jennifer O. Chan is a thoracic surgery (cardiothoracic) in Walnut Creek, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Jennifer O. Chan is listed at 2637 Shadelands Dr, Walnut Creek, CA 94598. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (925) 932-6330. Contact the office directly to confirm availability and scheduling.
NPI registry
Jennifer O. Chan's National Provider Identifier is 1265634687. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Jennifer O. Chan attended Other, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
Jennifer O. Chan has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Jennifer O. Chan performs procedures including removal of lymph nodes of chest cavity using an endoscope and exam of lung with removal of lung lobe using an endoscope; provides treatments such as study of esophagus to assess movement, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Jennifer O. Chan. If this is you, claiming it is free.
Guide.md
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