ALEXANDER R MACKAY (MD) – Neurological Surgery Physician, NPI 1063566529
Neurological Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
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Provider Addresses for ALEXANDER R MACKAY (MD)
PO BOX 3868
SPOKANE, WA 992203868
Phone: (509) 228-1000
Fax: (509) 252-9300
Type: Mailing
910, West 5th Avenue, Cliff–Cannon, Spokane, Spokane County, Washington, 99204, United States
SUITE 102
SPOKANE, WA 992042966
Phone: (509) 228-1000
Fax: (509) 252-9300
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: 2012-07-19
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 |
|---|---|---|---|---|
| I20120719000152 | I | Neurosurgery | WA | 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 |
|---|---|---|---|---|
| 61797 | Computer-assisted radiosurgery of simple growth of brain, each additional growth | 85 | 17 | $0 |
| 61800 | Computer-assisted radiosurgery application of headframe | 54 | 38 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 47 | 37 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 45 | 31 | $0 |
| 61796 | Computer-assisted radiosurgery of simple growth of brain, first growth | 38 | 26 | $0 |
Insurance plans in this area (ZIP 99220)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | WA | |
| - | WA | |
| Surgical Oncology | IL | |
| Nurse Practitioner | ID | |
| Radiation Oncology | WA | |
| - | WA | |
| Nurse Practitioner | MT | |
| Surgical Oncology | WA | |
| Radiation Oncology | WA | |
| Medical Oncology, Hematology/Oncology | WA |
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