Medicare Enrolled

Dr. Angel Diaz, M.D.

Gastroenterology · Geneva, NY
Practice pattern: Mixed Practice — Diverse clinical practice across multiple procedure types
821 PRE EMPTION RD STE 300, Geneva, NY 14456
3157875310
Registered in NPPES since 2006
NPI: 1114946415 verify on NPPES ↗
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating. This page presents federal public records about Dr. Diaz from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
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What this data tells you about Dr. Diaz

Dr. Angel Diaz is a gastroenterology specialist in Geneva, NY, with 20 years of NPI registration. Based on federal Medicare data, Dr. Diaz performed 382 Medicare services in 2023. These records do not provide a deduplicated patient total.

Between the years covered by Open Payments, Dr. Diaz received a total of $988 from 16 pharmaceutical and/or device companies across 42 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Diaz 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.

✓ 20 years of NPI registration ▲ 382 Medicare services $988 industry payments

Medicare Practice Summary — 2023

Medicare Utilization ↗
382
Medicare services
Bottom 40% in NY for gastroenterology
Not available
Unique patients (not deduplicated)
$93
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →

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
Moderate sedation during GI endoscopy
Sedation services provided by the physician performing a gastrointestinal endoscopic procedure. This requires an independent trained observer to assist in monitoring the patient.
101 $4 $82
Colonoscopy with biopsy
A procedure to collect tissue samples from the large intestine using a flexible tube with a camera. The samples are examined to check for abnormalities or disease.
99 $92 $630
Colon polyp removal with endoscopic snare
This procedure removes polyps or growths from the large bowel using a flexible tube with a camera and a wire loop tool. The snare is used to cut off the growths during the examination.
87 $198 $657
Upper GI endoscopy with biopsy
A procedure to collect tissue samples from the esophagus, stomach, or upper small intestine using a flexible tube with a camera. The samples are examined to check for abnormalities.
75 $71 $552
Colonoscopy for colorectal cancer screening, high risk
A colonoscopy performed to screen for colorectal cancer in individuals identified as being at high risk for the disease.
20 $159 $487
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. These counts do not measure clinical quality or years of experience.

Industry Payment Transparency

Open Payments through 2022 ↗
$988
Total received (2018-2022)
Avg $198/year across 5 years
Bottom 37% in NY for gastroenterology
16
Companies
42
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →

Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2022
$111
2021
$107
2020
$50
2019
$501
2018
$220

Payments by company (2022)

ABBVIE INC.
$36
Salix Pharmaceuticals, a division of Bausch Health US, LLC
$33
Ironwood Pharmaceuticals, Inc
$24
Nestle HealthCare Nutrition Inc.
$18
Top 3 companies account for 83.7% of 2022 payments
All-time payments by company (2018-2022) ›
Janssen Scientific Affairs, LLC
$243
AbbVie, Inc.
$161
Salix Pharmaceuticals, a division of Bausch Health US, LLC
$91
Takeda Pharmaceuticals U.S.A., Inc.
$89
AbbVie Inc.
$88
Janssen Biotech, Inc.
$47
ERBE USA Inc
$46
Ironwood Pharmaceuticals, Inc
$44
ABBVIE INC.
$36
UCB, Inc.
$33
Gilead Sciences, Inc.
$32
RedHill Biopharma Inc.
$21
Nestle HealthCare Nutrition Inc.
$18
Concordia Pharmaceuticals Inc.
$15
PFIZER INC.
$13
Prometheus Laboratories Inc.
$11
Top 3 companies account for 50.1% of all-time payments
Associated products mentioned in payments ›
CREON · Cimzia · Creon · DONNATAL · Dexilant · ERBE · Entyvio · HUMIRA · Humira · LINZESS · Linzess · Mavyret · Motegrity · STELARA · TRULANCE · Talicia · UCERIS · XELJANZ · XIFAXAN · ZENPEP
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
Looking for a gastroenterology specialist in Geneva?
Compare gastroenterologists in the Geneva area by procedure volume, costs, and industry payment transparency.
Browse gastroenterologists nearby

Geographic Context

Gastroenterologists in nearby ZIP areas
9
County median income
$79,814
Nearest hospital to ZIP centroid (approximate)
GENEVA GENERAL HOSPITAL
0.0 mi

Data Sources

Provider Registry NPPES NPPES snapshot; verify current record
Medicare Enrollment PECOS PECOS snapshot
Practice Data Medicare Util. Annual (CY lag)
Industry Payments Open Payments CY 2022
Disciplinary History — Not included 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. Diaz is a mixed practice specialist, with moderate Medicare volume, with 20 years of NPI registration.

This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →

Frequently Asked Questions

Is Dr. Diaz experienced with moderate sedation during gi endoscopy?
Based on Medicare claims data, Dr. Diaz performed 101 moderate sedation during gi endoscopy services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Diaz receive payments from pharmaceutical companies?
Yes. Dr. Diaz received a total of $988 from 16 companies across 42 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Diaz's costs compare to other gastroenterologists in Geneva?
Dr. Diaz's average Medicare payment per service is $93. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Diaz) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
About this page

This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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.

Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Industry payment disclosure alone establishes neither wrongdoing nor legality. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →