Doctor profile · Federal record

Dr. Alexander Alonso, M.D.

Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Hypertension Specialist Physician · Peoria, IL

  • NPI 1124152707
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
420 Ne Glen Oak Ave Ste 401
Peoria, IL 616033112
(309) 676-8123
fax (309) 676-8455
Additional location
180 S Main Ste, Ste I/Floor 2
Canton, IL 61520
Additional location
201 N Cummings Ln
Washington, IL 615712181

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
January 16, 2025
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
207RN0300X — NUCC code
State license (1)
Illinois #036115179
Medicaid
IL #036115179

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124152707. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,202
Distinct HCPCS
9
Medicare allowed
$295,805
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 703 450 $106
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 568 208 $77
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 299 127 $116
90960 Dialysis services, 4 or more physician visits per month (20 years or older) 234 35 $340
90935 Hemodialysis procedure with physician evaluation 116 61 $69
90966 Home dialysis services per month (20 years or older) 98 11 $289
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 74 66 $128
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 72 72 $166
99204 New patient office or other outpatient visit, 45-59 minutes 38 38 $161

In context: peer comparison

Among 12 peers in this city , average services per provider: 156. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,618
Patients
645
Total drug cost
$267,054
Drug Type Claims Patients Total cost
Calcitriol Generic 361 81 $6,641
Losartan Potassium Generic 346 93 $3,580
Jardiance (Empagliflozin) Brand 300 54 $231,779
Lisinopril Generic 215 48 $1,776
Allopurinol Generic 211 46 $1,844
Amlodipine Besylate Generic 200 53 $1,045
Chlorthalidone Generic 176 51 $3,046
Nifedipine Er (Nifedipine) Brand 145 38 $6,717
Spironolactone Generic 127 42 $1,633
Furosemide Generic 112 34 $825

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Alexander Alonso's medical specialty?
Dr. Alexander Alonso practices Nephrology Physician in Peoria, IL.
Where does Dr. Alexander Alonso practice?
Dr. Alexander Alonso practices at 420 Ne Glen Oak Ave Ste 401, Peoria, IL 616033112. Office phone: 3096768123.
What is Dr. Alexander Alonso's NPI?
Dr. Alexander Alonso's National Provider Identifier (NPI) is 1124152707, issued by NPPES.
Does Dr. Alexander Alonso accept Medicare assignment?
Yes. Dr. Alexander Alonso accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Alonso commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.