Dr. Alberto Alonso, M.D.
What this data tells you about Dr. Alonso
Dr. Alberto Alonso is an internal medicine specialist in Huntington Park, CA, with 17 years of NPI registration. Based on federal Medicare data, Dr. Alonso performed 1,302 Medicare services across 585 unique beneficiaries.
Between the years covered by Open Payments, Dr. Alonso received a total of $6,533 from 35 pharmaceutical and/or device companies across 310 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in internal medicine. Most payments are for meals and travel — low-value interactions common across virtually all practicing physicians. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Alonso is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
Medicare Practice Summary
Medicare Utilization ↗Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
354 | $101 | $132 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
230 | $75 | $103 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
169 | $8 | $25 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
154 | $12 | $32 |
| Nursing facility visit, moderate complexity A follow-up visit by a healthcare provider at a nursing facility for an established patient. The visit involves moderate medical decision making and takes at least 30 minutes. |
97 | $83 | $108 |
| Ketorolac injection, per 15 mg An injection of ketorolac tromethamine, a nonsteroidal anti-inflammatory drug, administered in doses measured per 15 mg. |
87 | $0 | $75 |
| Vitamin B-12 injection An injection of vitamin B-12 (cyanocobalamin) with a dose of up to 1000 mcg. |
48 | $1 | $29 |
| Annual wellness visit, follow-up A follow-up annual wellness visit that includes a personalized prevention plan of service. |
25 | $140 | $150 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
24 | $12 | $95 |
| Ceftriaxone antibiotic injection This code represents the administration of ceftriaxone sodium, an antibiotic medication. The charge is calculated for every 250 mg of the drug administered. |
24 | $0 | $15 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
23 | $134 | $250 |
| Initial nursing facility care, high complexity An initial visit by a healthcare provider to a patient in a nursing facility involving a high level of medical decision making, lasting at least 45 minutes. |
21 | $154 | $198 |
| Nursing facility discharge management, more than 30 minutes This service involves care coordination and management activities performed by a healthcare professional to prepare a patient for discharge from a nursing facility. It requires more than 30 minutes of time spent on these activities. |
20 | $98 | $125 |
| Transitional care management, high complexity Coordination of care for a patient transitioning from a short-term hospital stay or other facility to home or another care setting. This service addresses a high-complexity medical problem. |
14 | $234 | $299 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
12 | $114 | $181 |
Industry Payment Transparency
Open Payments through 2024 ↗Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
Payments by company (2024)
All-time payments by company (2018-2024) ›
Associated products mentioned in payments ›
Most payments (100%) are for meals and travel — low-value interactions that are common across virtually all practicing physicians.
Geographic Context
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Alonso is a clinical cardiology specialist, with above-average Medicare volume (top 24% in CA), with low-engagement industry engagement in the top 13% of CA peers, with 17 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
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All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
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