Doctor profile · Federal record

Dr. Nelio Guzman Aguayo, M.D.

Nephrology Physician (CMS: Nephrology) · Nephrology Physician · Pediatric Nephrology Physician · Pediatric Nephrology Physician · Spokane, WA

  • NPI 1124266184
  • Accepts Medicare
  • 23 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
105 W 8Th Ave, Suite 7060
Spokane, WA 992042302
(509) 747-2054
fax (509) 747-2054
Mailing address
Po Box 421
Liberty Lake, WA 990190421

Credentials & registration

NPPES · NUCC
NPI registered
January 2009 — 17 yrs on file
Profile last updated
May 25, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State licenses (2)
Washington #MD60321439 · Texas #P0396

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124266184. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
695
Distinct HCPCS
4
Medicare allowed
$66,072
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 363 111 $77
99214 Established patient office or other outpatient visit, 30-39 minutes 224 141 $127
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 72 40 $49
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 36 36 $167

In context: peer comparison

Among 9 peers in Spokane Nephrology Physician, average services per provider: 105. This provider delivers 6.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$189
Transactions
13
Manufacturers
7
Payer (manufacturer) Industry Txns Amount
Amgen INC. 2 $63.64
Novo Nordisk INC 2 $35.74
Bayer Healthcare Pharmaceuticals INC. 2 $27.67
Xeris Pharmaceuticals, INC. 1 $17.60
Calliditas Therapeutics US INC. 1 $16.81
Boehringer Ingelheim Pharmaceuticals, INC. 1 $15.34
Travere Therapeutics, INC. 4 $12.32

By nature of payment

Food and Beverage
$177
Education
$12

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
622
Patients
135
Total drug cost
$104,192
Drug Type Claims Patients Total cost
Lisinopril Generic 98 30 $1,002
Amlodipine Besylate Generic 74 23 $607
Losartan Potassium Generic 56 16 $803
Furosemide Generic 55 14 $518
Calcitriol Generic 54 21 $1,599
Jardiance (Empagliflozin) Brand 51 16 $52,375
Doxazosin Mesylate Generic 46 15 $1,133
Farxiga (Dapagliflozin Propanediol) Brand 45 0 $42,798
Potassium Chloride Generic 27 0 $1,144
Spironolactone Generic 25 0 $252

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nelio Guzman Aguayo's medical specialty?
Dr. Nelio Guzman Aguayo practices Nephrology Physician in Spokane, WA.
Where does Dr. Nelio Guzman Aguayo practice?
Dr. Nelio Guzman Aguayo practices at 105 W 8Th Ave, Spokane, WA 992042302. Office phone: 5097472054.
What is Dr. Nelio Guzman Aguayo's NPI?
Dr. Nelio Guzman Aguayo's National Provider Identifier (NPI) is 1124266184, issued by NPPES.
Does Dr. Nelio Guzman Aguayo accept Medicare assignment?
Yes. Dr. Nelio Guzman Aguayo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nelio Guzman Aguayo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.