Clive Lionel Alonzo, M.D.
Internal Medicine Physician · Gary, IN
Clive Lionel Alonzo, M.D. is an internal medicine physician with a practice address in Gary, Indiana, and NPI 1134190721, issued on Jan 31, 2006. Check the license (Indiana 01060964A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Clive Lionel Alonzo
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 01060964A IN
036112177 IL
Self-reported in NPPES; status is on the state search - Practice location
- 600 Grant St, Gary, IN 46402
- Phone
- (773) 368-6395
- Enumerated
- Jan 31, 2006
- Record last updated
- Sep 22, 2022
- Medicaid ID
- 200534280 IN
- Medicare enrollment
- Enrolled (PECOS I20051109000701); accepts Medicare assignment
- Medical or professional school
- Meharry Medical College School Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,109 in Indiana → Look up another NPI →
Also registered at 600 Grant St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Myza Rae Alexander, RNEmergency Medical Services (Emergency Medicine) Physician1811707326
- Mohammad Almachnouk, MDAnesthesiology Physician1679517742
- Heather Andryuk, PHARMDPharmacist1093923351
- Kathryn AvinaPhysician Assistant1578950424
- Guangyu BaiEmergency Medicine Physician1386286474
- Elizabeth Baldys, PA-CPhysician Assistant1467881839
Verify Clive Lionel Alonzo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01060964ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
282 Medicare Part D claims for 94 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Duloxetine Hcl15 claims
- Carvedilol14 claims
- Prednisone12 claims
- Rosuvastatin Calcium11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $77.19
3 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Sound Physicians OF Indiana LLCMishawaka, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clive Lionel Alonzo among 2,109 internal medicine physician records in Indiana
Clive Lionel Alonzo, M.D. is one of 2,109 internal medicine physician records with a practice address in Indiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 54% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2002 · median 2005 among the 1,448 with a school on file
- Record last updated2022 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Indiana
There are 2,109 internal medicine physician records in Indiana.
All 2,109 in Indiana → Every provider in Gary → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Brent Wu, MDGary, IN 464021447909874
- Vallee Adams-Miller, M.D.Merrillville, IN 464101902898505
- Mohammed Asgar, MDMerrillville, IN 464101023004587
- Osama Ayad, MD, FACPMerrillville, IN 464101427162288
- Paula Benchik-Abrinko, M.D.Whiting, IN 463941255389573
- Radosveta Ivanova Nesch, M.D.Merrillville, IN 464101548350853
- Zafar Khalid, MDMerrillville, IN 464101689657975
- Tarangini Padhya, MDMerrillville, IN 464101588673479
Common questions
What is Clive Lionel Alonzo, M.D.'s NPI number?
Clive Lionel Alonzo, M.D.'s National Provider Identifier (NPI) is 1134190721, issued on Jan 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clive Lionel Alonzo, M.D. located?
The NPPES record lists a practice address at 600 Grant St, Gary, IN, 46402. Phone: (773) 368-6395. Providers update this record themselves, so call before visiting.
How can I verify Clive Lionel Alonzo, M.D.'s license?
NPPES lists Indiana license number 01060964A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clive Lionel Alonzo, M.D. prescribe under Medicare Part D?
In 2024, Clive Lionel Alonzo, M.D. had 282 Medicare Part D claims for 94 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.