Joanna O'Leary, MD
NPI 1417101999 · Neurology Physician · Portland, OR
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joanna O'Leary, MD is a Neurology Physician provider in Portland, OR (NPI 1417101999).
Provider details
- NPI number
- 1417101999
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD157185 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
743 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 252 | $185 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 194 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 126 | $131 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 47 | $225 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $93 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 42 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Carbidopa/Levodopabrand: Carbidopa-Levodopa | 858 | 273 |
| Carbidopa/Levodopabrand: Carbidopa-Levodopa Er | 268 | 83 |
| Gabapentin | 191 | 64 |
| Primidone | 177 | 49 |
| Memantine Hcl | 159 | 46 |
| Propranolol Hclbrand: Propranolol Hcl Er | 146 | 35 |
| Donepezil Hcl | 120 | 41 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-11-10
- Last updated
- 2021-03-22
- Certified
- 2021-03-22
Frequently asked questions
- What is Joanna O'Leary's NPI number?
- Joanna O'Leary's National Provider Identifier (NPI) is 1417101999, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joanna O'Leary's specialty?
- Joanna O'Leary is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Joanna O'Leary located?
- Joanna O'Leary's practice location on file with NPPES is 9427 Sw Barnes Rd, Portland, OR 97225-6652.
- What is Joanna O'Leary's phone number?
- The practice phone number listed in the NPPES registry for Joanna O'Leary is (503) 216-1150.
- Does Joanna O'Leary accept Medicare?
- Joanna O'Leary is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joanna O'Leary's NPI active?
- Yes — Joanna O'Leary's NPI (1417101999) is active in the NPPES registry as of the last update on 2021-03-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.