Donald Q. Mackay, D.O.
Family Medicine Physician · Eugene, OR
Donald Q. Mackay, D.O. is a family medicine physician with a practice address in Eugene, Oregon, and NPI 1447487178, issued on Jun 20, 2009. Check the license (Oregon DO159503, as entered in NPPES) on the Oregon Medical Board; the Medicare figures below come from public CMS files.
- Name
- Donald Q. Mackay
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- DO159503 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1755 Coburg RD Unit 502, Eugene, OR 97401
- Phone
- (541) 310-0518
- Enumerated
- Jun 20, 2009
- Record last updated
- Jun 12, 2026
- Fax
- (541) 641-0360
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,847 in Oregon → Look up another NPI →
Verify Donald Q. Mackay in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersOregon Medical Board
Search for license DO159503Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% more Medicare Part D claims than the average family medicine physician in 2024
5,825 Medicare Part D claims for 805 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 156 claims were for opioids.
Most prescribed
- Atorvastatin Calcium366 claims
- Amlodipine Besylate317 claims
- Lisinopril262 claims
- Levothyroxine Sodium221 claims
- Losartan Potassium186 claims
- Gabapentin155 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 91.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Donald Q. Mackay among 2,847 family medicine physician records in Oregon
Donald Q. Mackay, D.O. is one of 2,847 family medicine physician records with a practice address in Oregon. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 59% of them.
- NPI issued2009 · 59% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
157 family medicine physician records list a practice address in Eugene
They are 157 of the 8,239 NPPES records with a practice address in Eugene, and 2,847 family medicine physician records in Oregon.
All 2,847 in Oregon → Every provider in Eugene → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Juanita Doerksen, M.D.Eugene, OR 974011679546162
- Jean Edsall, MDEugene, OR 974011073591574
- Jeffrey Goldenberg, MDEugene, OR 974011306816459
- Larry Hirons, M.D.Eugene, OR 974011760456206
- Laura Jakious, M.D.Eugene, OR 974011073589552
- Barry Jarvis, M.DEugene, OR 974011528034899
- Christine Jensen-Fox, M.D.Eugene, OR 974011942287933
- Scott Johnson, MDEugene, OR 974011093785149
Common questions
What is Donald Q. Mackay, D.O.'s NPI number?
Donald Q. Mackay, D.O.'s National Provider Identifier (NPI) is 1447487178, issued on Jun 20, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Donald Q. Mackay, D.O. located?
The NPPES record lists a practice address at 1755 Coburg RD Unit 502, Eugene, OR, 97401. Phone: (541) 310-0518. Providers update this record themselves, so call before visiting.
How can I verify Donald Q. Mackay, D.O.'s license?
NPPES lists Oregon license number DO159503, as entered by the provider. Search the Oregon Medical Board at https://www.oregon.gov/OMB/Pages/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donald Q. Mackay, D.O. prescribe under Medicare Part D?
In 2024, Donald Q. Mackay, D.O. had 5,825 Medicare Part D claims for 805 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Donald Q. Mackay, D.O.'s MIPS final score?
The 2023 MIPS final score is 91.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.