MAKKALEARN EM (MD) – Gastroenterology Physician, NPI 1487632238
Gastroenterology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
252 GASTROENTEROLOGY in OR
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Provider Addresses for MAKKALEARN EM (MD)
Oak Street Southeast, Salem, Marion County, Oregon, 97311, United States
STE 3010
SALEM, OR 97301
Phone: (503) 399-7520
Fax: (503) 362-7344
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 4 Open Payments records for all available years, with a total value of $125.
Total Amount is formed as General ($125) + Research ($0) + Ownership ($0) = $125.
Last reported payment date: 2024-07-17 • Largest payer in this snapshot: PENTAX of America, Inc. ($53).
Total Amount
$125
General + Research + Ownership
Payments
4
Total payment records
General Amount
$125
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-07-17
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| PENTAX of America, Inc. | $53 |
| Celltrion USA Inc. | $29 |
| ABBVIE INC. | $26 |
| Celgene Corporation | $17 |
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: 2005-07-14
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 |
|---|---|---|---|---|
| I20050714000183 | 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 |
|---|---|---|---|---|
| 88305 | Pathology examination of tissue using a microscope, intermediate complexity | 422 | 155 | $0 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 143 | 140 | $0 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 102 | 100 | $0 |
| 88313 | Special stained specimen slides to examine tissue including interpretation and report | 82 | 35 | $0 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 37 | 37 | $0 |
Insurance plans in this area (ZIP 97301)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| GASTROENTEROLOGY | OR | 45385 | Removal of polyps or growths of large bowel using an endoscope | 66 | 66 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Gastroenterology, Internal Medicine | OR | |
| Internal Medicine, Gastroenterology | OR | |
| G A S T R O E N T E R O L O G Y | WA | |
| Physician Assistant | OR | |
| G A S T R O E N T E R O L O G Y | OR | |
| Gastroenterology, Internal Medicine | OR | |
| Physician Assistant | OR | |
| Physician Assistant | OR | |
| Internal Medicine, Gastroenterology | UT | |
| Physician Assistant | OR |
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