Alexander R. Mackay, MD
Neurological Surgery Physician · Spokane, WA
Alexander R. Mackay, MD is a neurological surgery physician with a practice address in Spokane, Washington, and NPI 1063566529, issued on Jan 22, 2007. Check the license (Washington MD00019161, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Alexander R. Mackay
- Credential
- MD
- Primary taxonomy
- Neurological Surgery Physician 207T00000X
- License number
- MD00019161 WA
Self-reported in NPPES; status is on the state search - Practice location
- 910 W 5TH Ave, Spokane, WA 99204
- Phone
- (509) 228-1000
- Enumerated
- Jan 22, 2007
- Record last updated
- Mar 24, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (509) 252-9300
- Medicaid ID
- 1084920 WA
- Entity
- Type 1 · individual
8 nearest neurological surgery physician records → All 232 in Washington → Look up another NPI →
Also registered at 910 W 5TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Armstrong, CNMAdvanced Practice Midwife1023106994
- Tonia Baker, C.N.M./ A.R.N.PAdvanced Practice Midwife1629386610
- Susan Baran, ARNPFamily Nurse Practitioner1326040130
- Kathleen Bentley, CNMAdvanced Practice Midwife1619065505
- Gaye Bloxom, PA-CPhysician Assistant1780862359
- Abigail Blumenthal, PAMedical Physician Assistant1205354727
Verify Alexander R. Mackay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00019161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average neurological surgery physician in 2024
16 Medicare Part D claims, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Alexander R. Mackay among 232 neurological surgery physician records in Washington
Alexander R. Mackay, MD is one of 232 neurological surgery physician records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 47% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2017 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207T00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Neurological Surgery Physician providers in Washington
There are 232 neurological surgery physician records in Washington.
All 232 in Washington → Every provider in Spokane → Neurological Surgery Physician nationwide →
The 8 neurological surgery physician records with the nearest ZIP codes
- Jonathan Carlson, M.D.Spokane, WA 992041922219500
- David Gruber, M.D.Spokane, WA 992041700824554
- Allan Heller, M.D.Spokane, WA 992041114196466
- Jeffrey HirschauerSpokane, WA 992041740229434
- Katie Huynh, DOSpokane, WA 992041720390412
- Yiping Li, M.D.Spokane, WA 992041699032961
- Benjamin Ling, M.D.Spokane, WA 992041710932579
- Amitoz Manhas, MDSpokane, WA 992041033382866
Common questions
What is Alexander R. Mackay, MD's NPI number?
Alexander R. Mackay, MD's National Provider Identifier (NPI) is 1063566529, issued on Jan 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Alexander R. Mackay, MD located?
The NPPES record lists a practice address at 910 W 5TH Ave, Spokane, WA, 99204. Phone: (509) 228-1000. Providers update this record themselves, so call before visiting.
How can I verify Alexander R. Mackay, MD's license?
NPPES lists Washington license number MD00019161, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Alexander R. Mackay, MD prescribe under Medicare Part D?
In 2024, Alexander R. Mackay, MD had 16 Medicare Part D claims; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.