MR. JOHN A WALKER (MD) – Gastroenterology Physician, NPI 1346210994
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
252 GASTROENTEROLOGY in OR
Loading map...
Provider Addresses for MR. JOHN A WALKER (MD)
Gastroenterology Consultants, PC, 2860, Creekside Circle, Medford, Jackson County, Oregon, 97504, United States
MEDFORD, OR 97504
Phone: (541) 779-8367
Fax: (541) 779-7471
Type: Location
2627, Eastover Terrace, Medford, Jackson County, Oregon, 97504, United States
MEDFORD, OR 97504
Phone: (541) 772-5975
Type: Mailing
1342 NE MEDICAL CENTER DR STE 100
BEND, OR 977015918
Phone: (541) 388-2333
Fax: (541) 388-0930
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
Loading prescription activity...
Open Payments (CMS)
CMS reports 7 Open Payments records for all available years, with a total value of $216.
Total Amount is formed as General ($216) + Research ($0) + Ownership ($0) = $216.
Last reported payment date: 2024-04-25 • Largest payer in this snapshot: ABBVIE INC. ($129).
Total Amount
$216
General + Research + Ownership
Payments
7
Total payment records
General Amount
$216
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-25
Latest reported date
Top Companies
Largest payers in this snapshot
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2011-03-31
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20110331000714 | I | Gastroenterology | OR | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 79 | 79 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 28 | 28 | $0 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 14 | 14 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 13 | 13 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 97504)
Loading plans...
Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | OR | 45378 | Diagnostic examination of large bowel using an endoscope | 84 | 82 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P O D I A T R Y | OR | |
| Cardiovascular Disease (Cardiology) | WA | |
| - | OR | |
| G A S T R O E N T E R O L O G Y | OR | |
| Nephrology, Internal Medicine | WA | |
| Orthopedic Surgery | CA | |
| General Surgery | OR | |
| General Surgery | OR | |
| Cardiovascular Disease (Cardiology) | OR | |
| U R O L O G Y | OR |
Reviews
All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.
No reviews yet. Be the first to share your experience — your opinion helps families compare providers.