Eugene De Guzman, M.D.
NPI 1699940874 · Nephrology Physician · Mount Vernon, WA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Eugene De Guzman, M.D. is a Nephrology Physician provider in Mount Vernon, WA (NPI 1699940874).
Provider details
- NPI number
- 1699940874
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD60858455 (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
18 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,020 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 248 | $96 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 190 | $65 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 123 | $117 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 112 | $78 |
| Dialysis Services, 1 Physician Visit Per Month (20 Years Or Older)90962 | 92 | $201 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 238 | 76 |
| Losartan Potassium | 159 | 55 |
| Carvedilol | 158 | 53 |
| Lisinopril | 150 | 48 |
| Hydralazine Hcl | 102 | 33 |
| Spironolactone | 100 | 34 |
| Furosemide | 98 | 39 |
Practice location
Mailing address
Additional practice locations (1)
- 736 Route 4Suite 103Sinajana, GU 96910-3368Phone: (671) 649-7232Fax: (671) 649-7233
Registry dates
- Enumerated
- 2008-04-28
- Last updated
- 2021-10-25
- Certified
- 2021-10-25
Frequently asked questions
- What is Eugene De Guzman's NPI number?
- Eugene De Guzman's National Provider Identifier (NPI) is 1699940874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Eugene De Guzman's specialty?
- Eugene De Guzman is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Eugene De Guzman located?
- Eugene De Guzman's practice location on file with NPPES is 208 S Hospital Pkwy, Mount Vernon, WA 98274.
- What is Eugene De Guzman's phone number?
- The practice phone number listed in the NPPES registry for Eugene De Guzman is (360) 428-2550.
- Does Eugene De Guzman accept Medicare?
- Eugene De Guzman is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Eugene De Guzman's NPI active?
- Yes — Eugene De Guzman's NPI (1699940874) is active in the NPPES registry as of the last update on 2021-10-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.