Onagh Mackenzie, MD
NPI 1588395636 · Student in an Organized Health Care Education/Training Program · Berkeley, CA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Onagh Mackenzie, MD is a Student in an Organized Health Care Education/Training Program provider in Berkeley, CA (NPI 1588395636).
Provider details
- NPI number
- 1588395636
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A190303 (CA)
Specialties & taxonomies
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 29 | 12 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 24 | — |
| Semaglutidebrand: Rybelsus | 16 | — |
| Omeprazole | 14 | — |
| Dapagliflozin Propanediolbrand: Farxiga | 14 | — |
| Triamcinolone Acetonide | 13 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2022-06-20
- Last updated
- 2025-06-26
- Certified
- 2025-06-26
Frequently asked questions
- What is Onagh Mackenzie's NPI number?
- Onagh Mackenzie's National Provider Identifier (NPI) is 1588395636, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Onagh Mackenzie's specialty?
- Onagh Mackenzie is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Onagh Mackenzie located?
- Onagh Mackenzie's practice location on file with NPPES is 2515 Mabel St, Berkeley, CA 94702-2105.
- What is Onagh Mackenzie's phone number?
- The practice phone number listed in the NPPES registry for Onagh Mackenzie is (585) 944-3895.
- Does Onagh Mackenzie accept Medicare?
- Onagh Mackenzie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Onagh Mackenzie's NPI active?
- Yes — Onagh Mackenzie's NPI (1588395636) is active in the NPPES registry as of the last update on 2025-06-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.