Dr. Angel A. Diaz, MD

  • Geneva, NY
  • Gastroenterologist
NPI1114946415PAC ID2668658279
Medicare services, 2024
349
Medicare patients, 2024
174
Part D claims, 2024
70
MIPS score, 2024
92
Hospital affiliations
1
Practice address
196 -198 North Street, Geneva, NY 14456
Practice phone
Call (315) 787-4175
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Geneva General Hospital

Hospital · Geneva, New York

See all 5 affiliations

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Dr. Angel A. Diaz is a gastroenterologist in Geneva, New York

Dr. Diaz practices at Geneva General Hospital in Geneva, New York, part of University of Rochester Medicine.

Dr. Diaz's NPI, 1114946415, was assigned on July 18, 2006. Dr. Diaz graduated from Albert Einstein College of Medicine of Yeshiva University in 1995. Dr. Diaz holds New York license 205857.

NPI and contact details
Medicare PAC ID
2668658279
NPI enumeration date
July 18, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(315) 787-4175
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
57
Medical school graduation
1995

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Angel A. Diaz practices at Geneva General Hospital in Geneva, New York

Dr. Diaz's primary practice is Geneva General Hospital, at 196 -198 North Street, Geneva, NY 14456 in Ontario County. The practice phone is (315) 787-4175.

Source: Dmand AI Affiliation Data

Dr. Angel A. Diaz is affiliated with 3 sites of care and 2 medical groups

Dr. Diaz's primary practice is Geneva General Hospital in Geneva, New York, part of University of Rochester Medicine. The medical group on file is FLH Medical, P.C. Dmand AI also links Dr. Diaz to 2 more group practices and clinics and 1 medical group, each named with a free account.

See all 5 affiliations for Dr. Diaz

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Angel A. Diaz's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Geneva General HospitalAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Angel A. Diaz is one of 1,583 gastroenterologists in New York

Gastroenterology is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Diaz is licensed in New York.

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 205857 · taxonomy 207RG0100X

Gastroenterologists near Dr. Diaz

Counts of gastroenterologists with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Angel A. Diaz billed Medicare for 349 services in 2024

CMS data shows 349 Medicare services from Dr. Diaz across 7 procedure codes in 2024, for 174 Medicare patients. Medicare paid $31,834 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024349
Medicare patients174
Paid by Medicare$31,834
Procedure codes7

Dr. Diaz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Surgery
2023: 2612024: 2672%
Other services
2023: 1212024: 8232%

Dr. Diaz compared with the New York median for gastroenterologists, 2024

  • Dr. Diaz
  • New York median
Medicare services
349vs 42117% below
Medicare patients
174vs 23626% below
Part D claims
39vs 38290% below

Medians across 1,551 gastroenterologists in New York with Dmand AI profiles that report each measure.

Dr. Diaz's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Diaz

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Angel A. Diaz treated 174 Medicare patients in 2024, average age 71

CMS counts 174 Medicare patients who saw Dr. Diaz in 2024. The largest group is 65 to 74, with 93 patients. 75% of them have high cholesterol, and 72% have high blood pressure. 18% are also on Medicaid. Their average risk score is 0.88, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Diaz's median patient age at 67, with 52% women.

Medicare patients, 2024174
Average age71
Average risk score0.88
Also on Medicaid18%

Dr. Diaz's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Diaz's Medicare patients by sex, 2024

  • Women9253%
  • Men8247%

Chronic conditions among Dr. Diaz's Medicare patients, 2024

  1. High cholesterol75%
  2. High blood pressure72%
  3. Arthritis31%
  4. Diabetes27%
  5. Ischemic heart disease22%
  6. Mood disorders22%
  7. Anxiety19%
  8. Depression19%

Share of Medicare patients with each condition. A patient can have several.

Dr. Diaz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 67

Patient panel by sex, all payers

  • Women52%
  • Men48%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Angel A. Diaz wrote 70 Medicare Part D claims in 2024

In 2024, Dr. Diaz wrote 70 Medicare Part D claims for 28 patients. 91% of them were for generic drugs. CMS names the drug for 39 of them, across 2 drugs with 11 or more claims each, at $366 in total drug cost. In 2023, CMS named 47 claims across 3 drugs.

Part D claims, 202470
Drugs named by CMS2
Total drug cost$366
Part D patients28

Dr. Diaz's Part D claims by kind of drug, 2024

  • Generic64 claims91%
  • Brand-name and other6 claims9%

Dr. Diaz's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 472024: 3917%

Drugs named by CMS: 2 in 2024, 3 in 2023.

See all prescribing by Dr. Diaz

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Angel A. Diaz scored 92 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Diaz for performance year 2024, reported as part of a group. Dr. Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 180 procedures of colonoscopy by Dr. Diaz, more than 92% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Dr. Diaz's MIPS scores, performance year 2024

  • 92of 100Final score
  • 85.4of 100Quality
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Diaz ranks in Medicare procedure volume

Colonoscopy
92nd percentile180 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
86th percentile155 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Dr. Angel A. Diaz received $1,603 in industry payments from 2016 to 2025

CMS Open Payments shows 71 general payments to Dr. Diaz from 18 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $382.

General payments to Dr. Diaz by program year, 2016 to 2025

Companies that paid Dr. Diaz the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Diaz

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Angel A. Diaz graduated from Albert Einstein College of Medicine of Yeshiva University

Dr. Diaz graduated from Albert Einstein College of Medicine of Yeshiva University in 1995.

  1. Medical schoolAlbert Einstein College of Medicine of Yeshiva University

Source: Dmand AI Professional Profile Data

Sources for Dr. Angel A. Diaz's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Angel A. Diaz

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Angel A. Diaz's NPI number?

Dr. Angel A. Diaz's NPI number is 1114946415. It was assigned on July 18, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Angel A. Diaz?

Dr. Angel A. Diaz is a gastroenterologist in Geneva, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Angel A. Diaz practice?

Dr. Diaz practices at 196 -198 North Street, Geneva, NY 14456. Dr. Diaz's primary practice is Geneva General Hospital in Geneva, New York, part of University of Rochester Medicine. Dmand AI also links Dr. Diaz to 2 group practices and clinics and 1 medical group.

What is Dr. Angel A. Diaz's office phone number?

The practice phone on file for Dr. Diaz is (315) 787-4175.

What is Dr. Angel A. Diaz's medical license number?

Dr. Diaz holds New York license 205857.

Which hospitals is Dr. Angel A. Diaz affiliated with?

Dr. Diaz practices at Geneva General Hospital in Geneva, New York.

What medical group is Dr. Angel A. Diaz part of?

Dr. Diaz is linked to FLH Medical, P.C. Dmand AI links Dr. Diaz to 1 more medical group.

Does Dr. Angel A. Diaz accept Medicare?

Yes. CMS data shows Dr. Diaz billed Medicare for 349 services in 2024, and Dr. Diaz accepts Medicare assignment.

What is Dr. Angel A. Diaz's MIPS score?

Dr. Diaz's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.

How many Medicare patients does Dr. Angel A. Diaz see?

CMS counts 174 Medicare patients who saw Dr. Diaz in 2024, with an average age of 71.

Show 5 more questionsShow fewer questions

What services does Dr. Angel A. Diaz bill to Medicare?

In 2024, Dr. Diaz's most billed Medicare services were surgery: digestive system (45380), medicare service (G0500) and surgery: digestive system (45385).

Where did Dr. Angel A. Diaz go to medical school?

Dr. Diaz graduated from Albert Einstein College of Medicine of Yeshiva University in 1995.

What drugs does Dr. Angel A. Diaz prescribe most?

In 2024 Medicare Part D data, Dr. Diaz's most prescribed drugs by claims were Pantoprazole Sodium and Famotidine.

Has Dr. Angel A. Diaz received payments from drug or device companies?

CMS Open Payments shows $1,603 in general payments to Dr. Diaz from 18 companies from 2016 to 2025. The largest total came from Abbvie Inc.

How long has Dr. Angel A. Diaz been practicing?

Dr. Diaz graduated from medical school in 1995, 31 years ago.

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