Nelio Guzman Aguayo, M.D.
NPI 1124266184 · Nephrology Physician · Spokane, WA
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nelio Guzman Aguayo, M.D. is a Nephrology Physician provider in Spokane, WA (NPI 1124266184).
Provider details
- NPI number
- 1124266184
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- P0396 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
587 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 | 264 | $127 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 204 | $77 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 42 | $48 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 39 | $218 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 20 | $169 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 19 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Empagliflozinbrand: Jardiance | 144 | 41 |
| Lisinopril | 132 | 36 |
| Amlodipine Besylate | 92 | 30 |
| Finerenonebrand: Kerendia | 72 | 17 |
| Losartan Potassium | 67 | 20 |
| Calcitriol | 58 | 17 |
| Spironolactone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$189 across 13 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
Registry dates
- Enumerated
- 2009-01-29
- Last updated
- 2021-05-25
- Certified
- 2021-05-25
Frequently asked questions
- What is Nelio Guzman Aguayo's NPI number?
- Nelio Guzman Aguayo's National Provider Identifier (NPI) is 1124266184, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nelio Guzman Aguayo's specialty?
- Nelio Guzman Aguayo is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Nelio Guzman Aguayo located?
- Nelio Guzman Aguayo's practice location on file with NPPES is 105 W 8th Ave, Spokane, WA 99204-2302.
- What is Nelio Guzman Aguayo's phone number?
- The practice phone number listed in the NPPES registry for Nelio Guzman Aguayo is (509) 747-2054.
- Does Nelio Guzman Aguayo accept Medicare?
- Nelio Guzman Aguayo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nelio Guzman Aguayo's NPI active?
- Yes — Nelio Guzman Aguayo's NPI (1124266184) is active in the NPPES registry as of the last update on 2021-05-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.