Megan Irwin, PA-C
NPI 1326309113 · Medical Physician Assistant · Mount Vernon, WA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Megan Irwin, PA-C is a Medical Physician Assistant provider in Mount Vernon, WA (NPI 1326309113).
Provider details
- NPI number
- 1326309113
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- PA60302799 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
14 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
506 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 250 | $81 |
| 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 | 129 | $14 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 71 | $120 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 39 | $42 |
| Aspiration And/Or Injection of Fluid From Small Joint20600 | 17 | $29 |
Typical Medicare-allowed amounts for these services range $14–$120 (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 · 29 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 230 | 67 |
| Hydroxychloroquine Sulfate | 224 | 66 |
| Leflunomide | 177 | 47 |
| Prednisone | 159 | 62 |
| Sulfasalazine | 126 | 46 |
| Allopurinol | 93 | 27 |
| Gabapentin | 72 | 16 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$105 across 6 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 1400 E. Kincaid StreetMount Vernon, WA 98274-4126Phone: (360) 428-2550Fax: (360) 428-6402
Registry dates
- Enumerated
- 2012-06-07
- Last updated
- 2021-11-02
- Certified
- 2021-11-02
Frequently asked questions
- What is Megan Irwin's NPI number?
- Megan Irwin's National Provider Identifier (NPI) is 1326309113, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Megan Irwin's specialty?
- Megan Irwin is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Megan Irwin located?
- Megan Irwin's practice location on file with NPPES is 2320 Freeway Dr, Mount Vernon, WA 98273-5445.
- What is Megan Irwin's phone number?
- The practice phone number listed in the NPPES registry for Megan Irwin is (360) 428-2550.
- Does Megan Irwin accept Medicare?
- Megan Irwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Megan Irwin's NPI active?
- Yes — Megan Irwin's NPI (1326309113) is active in the NPPES registry as of the last update on 2021-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.