Nina O'Mailia, PA-C
NPI 1316116684 · Physician Assistant · West Linn, OR
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nina O'Mailia, PA-C is a Physician Assistant provider in West Linn, OR (NPI 1316116684).
Provider details
- NPI number
- 1316116684
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
- Physician Assistant363A00000X
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
222 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 131 | $78 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 45 | $113 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 18 | $93 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 16 | $45 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 12 | $50 |
Typical Medicare-allowed amounts for these services range $45–$113 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 60 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 185 | 60 |
| Amlodipine Besylate | 108 | 38 |
| Lisinopril | 102 | 34 |
| Levothyroxine Sodium | 100 | 40 |
| Losartan Potassium | 95 | 32 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 70 | 35 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-02-21
- Last updated
- 2023-04-25
- Certified
- 2023-04-25
Frequently asked questions
- What is Nina O'Mailia's NPI number?
- Nina O'Mailia's National Provider Identifier (NPI) is 1316116684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nina O'Mailia's specialty?
- Nina O'Mailia is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Nina O'Mailia located?
- Nina O'Mailia's practice location on file with NPPES is 21900 Willamette Dr Ste 209, West Linn, OR 97068-3284.
- What is Nina O'Mailia's phone number?
- The practice phone number listed in the NPPES registry for Nina O'Mailia is (971) 274-0038.
- Does Nina O'Mailia accept Medicare?
- Nina O'Mailia is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nina O'Mailia's NPI active?
- Yes — Nina O'Mailia's NPI (1316116684) is active in the NPPES registry as of the last update on 2023-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.