Douglas Shannon, PA-C
NPI 1629527445 · Medical Physician Assistant · Seattle, WA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Provider details
- NPI number
- 1629527445
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA.PA.60694031 (WA)
Specialties & taxonomies
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
9 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
765 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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 249 | $144 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 197 | $99 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 150 | $7 |
| Critical Care, First 30-74 Minutes99291 | 84 | $174 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 42 | $6 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 28 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 61 | 59 |
| Cephalexin | 49 | 48 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 48 | 47 |
| Methocarbamol | 42 | 39 |
| Cefdinir | 39 | 38 |
| Oxycodone Hcl | 36 | 36 |
| Ondansetronbrand: Ondansetron Odt | 35 | 34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-09-22
- Last updated
- 2021-05-05
- Certified
- 2021-03-30
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.