Physician Profile
Unclaimed ProfileAbout WALKER
John A Walker, MD practises gastroenterology in Bend, OR. John is a 1973 graduate of University of Texas Southwestern Medical School at Dallas.
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
Common questions
What is Dr. Walker's specialty?
Dr. Walker is a gastroenterology in Bend, OR. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Walker?
Dr. Walker is listed at 1342 NE MEDICAL CENTER DR STE 100, Bend, OR 97701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Walker?
The number on file is (541) 388-2333. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Walker's NPI number?
Dr. Walker's National Provider Identifier is 1346210994. 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
What is Dr. Walker's medical education?
Dr. Walker attended University of Texas Southwestern Medical School at Dallas, graduating in 1973. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Walker been practising?
Dr. Walker has 53 years experience. Calculated from a graduation year of 1973, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Walker known for?
According to Medicare billing data, Dr. Walker performs procedures including removal of polyps or growths of large bowel using an endoscope with mechanical snare, diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Walker confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Walker. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (541) 388-2333
- Email not available
Practice Locations
1342 NE MEDICAL CENTER DR STE 100
Bend, OR 97701
Procedures Most Often Billed to Medicare
279 services · 277 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
107 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
51 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
40 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
24 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
15 |
| Colorectal cancer screening; colonoscopy on individual at high risk | Billing code | G0105 |
31 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
11 |
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.
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.
Other gastroenterology specialists in Bend 8
Same specialty, same city.
Trained at University of Texas Southwestern Medical School at Dallas 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1973 at University of Texas Southwestern Medical School at Dallas 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of polyps or growths of large bowel using an endoscope with mechanical snare 8
Providers in OR who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.