DR. IAN STUART MACDONALD (DO) – Internal Medicine Physician, NPI 1093207318
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,994 INTERNAL MEDICINE in CO
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Provider Addresses for DR. IAN STUART MACDONALD (DO)
Sky Ridge Medical Center, 10101, RidgeGate Parkway, Lone Tree, Douglas County, Colorado, 80124, United States
LONE TREE, CO 801245522
Phone:
Type: Mailing
400 S CLARK ST
BUTTE, MT 597012328
Phone: (406) 723-2500
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2023-01-11
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 |
|---|---|---|---|---|
| I20230111003189 | I | Internal Medicine | MT | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 236 | 103 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 197 | 179 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 110 | 102 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 101 | 62 | $0 |
Insurance plans in this area (ZIP 80124)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MT | |
| Family Practice | KY | |
| Family Practice | MT | |
| Family Practice | ME | |
| Hospitalist, Internal Medicine, Internal Medicine | NV | |
| Internal Medicine | MT | |
| Physician Assistant | PA | |
| Family Practice | MI | |
| Physician Assistant | CA | |
| Nurse Practitioner | MT |
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