Physician Profile
Unclaimed ProfileAbout GREENTREE
David Greentree, MD practices thoracic surgery in Redding, CA. David is a 1988 graduate of University of Alberta, Faculty of Medicine. David is also listed as specializing in thoracic surgery (cardiothoracic). Medicare claims data shows David provided 83 services to 83 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (530) 225-7843
- Email not available
Practice Locations
2620 EDITH AVE
Redding, CA 96001
Procedures Most Often Billed to Medicare
83 services · 83 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Harvest of vein using an endoscope | Procedure | 33508 |
28 |
| Coronary artery bypass using artery graft, 1 graft | Procedure | 33533 |
21 |
| Coronary artery bypass using vein or artery graft, 2 grafts | Procedure | 33518 |
11 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
23 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Trained at University of Alberta, Faculty of Medicine 1
Other providers in the same specialty who trained at the same institution.
Also performs Harvest of vein using an endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Greentree specialize in?
Dr. Greentree is a thoracic surgeon in Redding, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “THORACIC SURGERY”.
NPI registry
Where is Dr. Greentree located?
Dr. Greentree is listed at 2620 EDITH AVE, Redding, CA 96001. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Greentree's phone number?
The number on file is (530) 225-7843. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Greentree?
Dr. Greentree's National Provider Identifier is 1972208023. 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
Where did Dr. Greentree go to medical school?
Dr. Greentree attended University of Alberta, Faculty of Medicine, graduating in 1988. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Greentree have?
Dr. Greentree has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Greentree do most often?
According to Medicare billing data, Dr. Greentree performs procedures including harvest of vein using an endoscope, coronary artery bypass using artery graft, 1 graft and coronary artery bypass using vein or artery graft, 2 grafts, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Greentree's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Greentree. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.