Dr. Judy Alonzo, MD
What this data tells you about Dr. Alonzo
Dr. Judy Alonzo is a pathology - anatomic specialist in Burlingame, CA, with 19 years of NPI registration. Based on federal Medicare data, Dr. Alonzo performed 2,054 Medicare services across 1,365 unique beneficiaries.
Between the years covered by Open Payments, Dr. Alonzo received a total of $138 from 3 pharmaceutical and/or device companies across 3 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in pathology - anatomic. 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. Alonzo 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 |
|---|---|---|---|
| Tissue pathology examination, moderate complexity A laboratory test where a pathologist examines tissue samples under a microscope to analyze cellular details. This intermediate complexity procedure involves specialized techniques to identify abnormalities in the tissue. |
849 | $68 | $295 |
| Serum protein measurement A blood test that measures the total amount of protein in the serum. It helps evaluate overall health and nutritional status. |
297 | $16 | $39 |
| Limited pathology tissue examination A microscopic examination of tissue samples to identify abnormalities. This limited exam focuses on specific aspects of the tissue rather than a comprehensive analysis. |
164 | $4 | $22 |
| Serum immunofixation test A laboratory test that analyzes a blood serum sample to identify specific abnormal proteins. The procedure uses an immunologic technique to detect and characterize these proteins. |
133 | $16 | $50 |
| Protein measurement in body fluid A laboratory test that measures the amount of protein present in a sample of body fluid. |
111 | $16 | $45 |
| Tissue staining for diagnosis, additional An extra laboratory procedure to apply special stains to tissue slides for detailed examination. |
65 | $91 | $381 |
| Urine total protein level A laboratory test that measures the total amount of protein present in a urine sample. |
64 | $4 | $17 |
| Fine needle aspirate evaluation and report A pathologist examines cells collected via a fine needle aspiration and provides a written interpretation and report of the findings. |
58 | $168 | $626 |
| Fine needle aspirate evaluation A laboratory examination of cells collected via fine needle aspiration to assess for abnormalities. |
52 | $30 | $142 |
| Moderately high complexity pathology tissue examination A laboratory test where a pathologist examines tissue samples under a microscope to analyze cellular details. This specific level of complexity involves a moderate to high degree of technical skill and interpretation. |
50 | $74 | $290 |
| Tissue staining for diagnosis, initial A laboratory test where special stains are applied to tissue slides to help examine the cells and identify specific characteristics. |
37 | $107 | $453 |
| Tissue preparation to remove calcium A laboratory procedure that removes calcium from a tissue sample to prepare it for microscopic examination. |
27 | $11 | $49 |
| Additional Pap test evaluation episode An additional immediate evaluation of a fine needle aspirate sample during a Pap test procedure. |
24 | $20 | $75 |
| Cell examination with selective cellular enhancement A laboratory test that examines cells from a specimen using a technique to selectively enhance specific cellular features for detailed analysis. |
23 | $69 | $505 |
| Screening cytopathology, cervical or vaginal (any reporting system), collected in preservative fluid, automated thin layer preparation, requiring interpretation by physician | 22 | $29 | $106 |
| Blood smear interpretation with written report A physician examines a blood sample slide under a microscope to analyze blood cells. The doctor provides a written report of their findings. |
20 | $21 | $86 |
| Automated cervical cancer screening with manual review A cervical or vaginal sample is prepared using an automated thin-layer system. The sample is screened by an automated system and then manually rescreened under physician supervision. |
16 | $26 | $123 |
| Prostate needle biopsy pathology exam Laboratory examination of prostate tissue samples obtained via needle biopsy. The pathologist inspects the tissue both visually and under a microscope to identify any abnormalities. |
16 | $149 | $614 |
| Pathology tissue examination, moderate complexity A laboratory test where a pathologist examines tissue samples under a microscope to identify abnormalities. This specific level indicates a moderate degree of complexity in the analysis. |
14 | $46 | $189 |
| Pathology consultation, 5-20 minutes A clinical consultation with a pathologist to discuss a medical issue. The session lasts between 5 and 20 minutes. |
12 | $18 | $75 |
Industry Payment Transparency
Open Payments through 2022 ↗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 (2022)
All-time payments by company (2020-2022) ›
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 2022 |
| 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. Alonzo is a mixed practice specialist, with above-average Medicare volume (top 29% in CA), with low-engagement industry engagement, with 19 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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