Onagh Wallace Mackenzie, MD
Student in an Organized Health Care Education/Training Program · Berkeley, CA
Onagh Wallace Mackenzie, MD is a student in an organized health care education/training program with a practice address in Berkeley, California, and NPI 1588395636, issued on Jun 20, 2022. Check the license (California A190303, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Onagh Wallace Mackenzie
- Credential
- MD
- Primary taxonomy
- Student in an Organized Health Care Education/Training Program 390200000X
- License number
- A190303 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2515 Mabel St, Berkeley, CA 94702
- Phone
- (585) 944-3895
- Enumerated
- Jun 20, 2022
- Record last updated
- Jun 26, 2025
- Entity
- Type 1 · individual
8 nearest student in an organized health care education/training program records → All 40,652 in California → Look up another NPI →
Verify Onagh Wallace Mackenzie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A190303Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% more Medicare Part D claims than the average student in an organized health care education/training program in 2024
347 Medicare Part D claims for 55 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of claims.
Most prescribed
- Atorvastatin Calcium29 claims
- Trelegy Ellipta24 claims
- Rybelsus16 claims
- Farxiga14 claims
- Omeprazole14 claims
- Triamcinolone Acetonide13 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.
Onagh Wallace Mackenzie among 40,652 student in an organized health care education/training program records in California
Onagh Wallace Mackenzie, MD is one of 40,652 student in an organized health care education/training program records with a practice address in California. 16% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 34% of them.
- NPI issued2022 · 34% of these records are older, 58% newer
- In a Medicare fileYes · 16% of these records are
- In the CMS Doctors and Clinicians fileNo · 6% of these records are
- Record last updated2025 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
443 student in an organized health care education/training program records list a practice address in Berkeley
They are 443 of the 4,898 NPPES records with a practice address in Berkeley, and 40,652 student in an organized health care education/training program records in California.
All 40,652 in California → Every provider in Berkeley → Student in an Organized Health Care Education/Training Program nationwide →
The 8 student in an organized health care education/training program records with the nearest ZIP codes
- Milan DrakeBerkeley, CA 947021982256624
- Erika FernauBerkeley, CA 947021003615808
- Jessica LewisBerkeley, CA 947021265108039
- Vivian LiuBerkeley, CA 947021538982087
- Isaac MensahBerkeley, CA 947021023804713
- Troy MillerBerkeley, CA 947021689060816
- Renee MorganBerkeley, CA 947021730893991
- Danica OronosBerkeley, CA 947021861288763
Common questions
What is Onagh Wallace Mackenzie, MD's NPI number?
Onagh Wallace Mackenzie, MD's National Provider Identifier (NPI) is 1588395636, issued on Jun 20, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Onagh Wallace Mackenzie, MD located?
The NPPES record lists a practice address at 2515 Mabel St, Berkeley, CA, 94702. Phone: (585) 944-3895. Providers update this record themselves, so call before visiting.
How can I verify Onagh Wallace Mackenzie, MD's license?
NPPES lists California license number A190303, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Onagh Wallace Mackenzie, MD prescribe under Medicare Part D?
In 2024, Onagh Wallace Mackenzie, MD had 347 Medicare Part D claims for 55 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.