DR. DUNCAN ROSS MCGREGOR – Nephrology Physician, NPI 1144409483
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,006 INTERNAL MEDICINE in CO
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Provider Addresses for DR. DUNCAN ROSS MCGREGOR
Northwest Samaritan Drive, Corvallis, Benton County, Oregon, 97330, United States
SUITE 203
CORVALLIS, OR 973303783
Phone: (541) 768-6930
Fax: (541) 768-6931
Type: Mailing
Saint Mary's Medical Center, 2635, North 7th Street, Grand Junction, Mesa County, Colorado, 81501, United States
4 CENTER
GRAND JUNCTION, CO 815018209
Phone: (970) 298-7106
Fax: (970) 298-7177
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 8 Open Payments records for all available years, with a total value of $158.
Total Amount is formed as General ($158) + Research ($0) + Ownership ($0) = $158.
Last reported payment date: 2024-10-29 • Largest payer in this snapshot: Amgen Inc. ($44).
Total Amount
$158
General + Research + Ownership
Payments
8
Total payment records
General Amount
$158
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-29
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: 2017-08-17
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20170817001998 | I | Internal Medicine | CO | 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 |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 236 | 136 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 96 | 31 | $0 |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | 82 | 42 | $0 |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | 43 | 29 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 31 | 21 | $0 |
Insurance plans in this area (ZIP 97330)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| INTERNAL MEDICINE | OR | 81002 | Urinalysis, manual test | 26 | 26 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CO | |
| - | CO | |
| - | CO | |
| Pulmonary Disease | GA | |
| Interventional Cardiology | CO | |
| Physician Assistant | MI | |
| O B S T E T R I C S/ G Y N E C O L O G Y | CO | |
| - | CO | |
| Interventional Cardiology, Cardiovascular Disease (Cardiology), Internal Medicine | UT | |
| - | CO |
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