Physician Profile
Unclaimed ProfileAbout BUXBAUM
Based in Los Angeles, CA, James Leonard Buxbaum, M.D. is listed in the NPI registry under gastroenterology. James graduated from University of California, San Francisco School of Medicine in 2003. According to Medicare claims data, James cared for 841 Medicare patients across 989 services.
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
- (323) 442-5100
- Email not available
Practice Locations
1520 SAN PABLO ST SUITE 1000
Los Angeles, CA 90033
Procedures Most Often Billed to Medicare
989 services · 841 patients · 21 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
146 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
115 |
| Insertion of stent into pancreatic or bile duct using a flexible endoscope | Procedure | 43274 |
70 |
| Replacement of stent in pancreatic or bile duct using a flexible endoscope | Procedure | 43276 |
62 |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
47 |
| Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope | Procedure | 43238 |
45 |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Procedure | 43237 |
45 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
26 |
| Removal of large bowel tissue using a flexible endoscope | Procedure | 45390 |
25 |
| Ultrasound guided needle aspiration or biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43242 |
25 |
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.
Other gastroenterology specialists at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 7
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other gastroenterology specialists in Los Angeles 6
Same specialty, same city.
Trained at University of California, San Francisco School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at University of California, San Francisco School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Buxbaum?
Dr. Buxbaum is a gastroenterology in Los Angeles, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
What is Dr. Buxbaum's address?
Dr. Buxbaum is listed at 1520 SAN PABLO ST SUITE 1000, Los Angeles, CA 90033. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Buxbaum?
The number on file is (323) 442-5100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Buxbaum's NPI number?
Dr. Buxbaum's National Provider Identifier is 1306088174. 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. Buxbaum train?
Dr. Buxbaum attended University of California, San Francisco School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Buxbaum been practicing?
Dr. Buxbaum has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Buxbaum perform?
According to Medicare billing data, Dr. Buxbaum performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and insertion of stent into pancreatic or bile duct using a flexible endoscope; reads or performs imaging such as review by radiologist of image from tube placement into bile duct using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Buxbaum confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Buxbaum. 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.