Margaret Eugenio, MD
NPI 1477661916 · Gastroenterology Physician · Seattle, WA
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Eugenio, MD is a Gastroenterology Physician provider in Seattle, WA (NPI 1477661916).
Provider details
- NPI number
- 1477661916
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- MD60027205 (WA)
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
19 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
492 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) |
|---|---|---|
| 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 | 85 | $18 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 65 | $126 |
| Prolonged Office Or Other Outpatient Evaluation and Management Service(s) Beyond the Maximum Required Time of the Primary Procedure Which Has Been Selected Using Total Time on the Date of the Primary Service; Each Additional 15 Minutes By the Physician OrG2212 | 49 | $34 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 47 | $272 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Bethanechol Chloride | 87 | 25 |
| Omeprazole | 86 | 25 |
| Famotidine | 84 | 23 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 68 | 67 |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Peg-3350 and Electrolytes | 58 | 56 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 39 | 38 |
| Pyridostigmine Bromide | 32 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-25
- Last updated
- 2012-11-29
Frequently asked questions
- What is Margaret Eugenio's NPI number?
- Margaret Eugenio's National Provider Identifier (NPI) is 1477661916, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Eugenio's specialty?
- Margaret Eugenio is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Eugenio located?
- Margaret Eugenio's practice location on file with NPPES is 1959 Ne Pacific St, Seattle, WA 98195-6340.
- What is Margaret Eugenio's phone number?
- The practice phone number listed in the NPPES registry for Margaret Eugenio is (206) 543-0065.
- Does Margaret Eugenio accept Medicare?
- Margaret Eugenio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Eugenio's NPI active?
- Yes — Margaret Eugenio's NPI (1477661916) is active in the NPPES registry as of the last update on 2012-11-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.