Doctor profile · Federal record

Dr. Clive Alonzo, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Internal Medicine Physician · Gary, IN

  • NPI 1134190721
  • Accepts Medicare
  • 24 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 Grant St
Gary, IN 464026001
(773) 368-6395
Mailing address
11831 S Bishop St
Chicago, IL 606435013

Credentials & registration

NPPES · NUCC
NPI registered
January 2006 — 20 yrs on file
Profile last updated
September 22, 2022
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (2)
Indiana #01060964A · Illinois #036112177
Medicaid
IN #200534280

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134190721. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
421
Distinct HCPCS
6
Medicare allowed
$47,150
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 200 77 $112
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 105 54 $74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 38 35 $163
99239 Hospital discharge day management, more than 30 minutes 33 31 $107
99291 Critical care, first 30-74 minutes 32 23 $199
99238 Hospital discharge day management, 30 minutes or less 13 13 $75

In context: peer comparison

Among 1 peers in this city , average services per provider: 70. This provider delivers 6.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$77
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 2 $39.21
Ceribell, Inc. 1 $37.98

By nature of payment

Food and Beverage
$77

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
13
Total drug cost
$172
Drug Type Claims Patients Total cost
Cefuroxime (Cefuroxime Axetil) Brand 13 13 $172

Frequently asked questions

Auto-generated from federal data
What is Dr. Clive Alonzo's medical specialty?
Dr. Clive Alonzo practices Internal Medicine Physician in Gary, IN.
Where does Dr. Clive Alonzo practice?
Dr. Clive Alonzo practices at 600 Grant St, Gary, IN 464026001. Office phone: 7733686395.
What is Dr. Clive Alonzo's NPI?
Dr. Clive Alonzo's National Provider Identifier (NPI) is 1134190721, issued by NPPES.
Does Dr. Clive Alonzo accept Medicare assignment?
Yes. Dr. Clive Alonzo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Clive Alonzo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.