Kelly Diaz

  • Scarsdale, NY
  • Gastroenterologist
NPI1740712017PAC ID4082959556
Medicare services, 2024
147
Medicare patients, 2024
83
Part D claims, 2024
82
Publications
7
Industry payments
$125
Practice address
341 Central Park Ave, Scarsdale, NY 10583
Practice phone
Call (914) 370-5000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mount Sinai School of Medicine of New York University

Scarsdale, New York

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Kelly Diaz is a gastroenterologist in Scarsdale, New York

Kelly Diaz practices at Mount Sinai School of Medicine of New York University in Scarsdale, New York.

Kelly Diaz's NPI, 1740712017, was assigned on March 28, 2017. Kelly Diaz graduated from Columbia University College of Physicians and Surgeons in 2017. Kelly Diaz holds New York license 321127.

NPI and contact details
Medicare PAC ID
4082959556
NPI enumeration date
March 28, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(914) 370-5000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
35
Medical school graduation
2017

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

Kelly Diaz practices at Mount Sinai School of Medicine of New York University in Scarsdale, New York

Kelly Diaz's primary practice is Mount Sinai School of Medicine of New York University, at 341 Central Park Ave, Scarsdale, NY 10583 in Westchester County. The practice phone is (914) 370-5000.

  • Mount Sinai School of Medicine of New York University
    341 Central Park Ave, Scarsdale, NY 10583 · Westchester CountyPhone(914) 370-5000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Kelly Diaz is affiliated with 2 sites of care and 1 medical group

Kelly Diaz's primary practice is Mount Sinai School of Medicine of New York University in Scarsdale, New York. The medical group on file is Mount Sinai Doctors-Scarsdale (Mount Sinai Doctors - Westchester). Dmand AI also links Kelly Diaz to 1 more group practice or clinic, named with a free account.

See all 3 affiliations for Kelly Diaz

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Kelly Diaz's practice

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

EHR by site
SiteEHR vendor and product
Mount Sinai School of Medicine of New York UniversityAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Kelly Diaz is one of 1,583 gastroenterologists in New York

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

Specialties and state licenses

  • Gastroenterology, New YorkPrimaryLicense 321127 · taxonomy 207RG0100X

Gastroenterologists near Kelly Diaz

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

1,583gastroenterologists in New York
5gastroenterologists in Scarsdale

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

Kelly Diaz billed Medicare for 147 services in 2024

CMS data shows 147 Medicare services from Kelly Diaz across 5 procedure codes in 2024, for 83 Medicare patients. Medicare paid $19,430 for them. Every service was in an office.

Medicare services, 2024147
Medicare patients83
Paid by Medicare$19,430
Procedure codes5

Kelly Diaz's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 312024: 102229%
Surgery
2023: 182024: 45150%

Kelly Diaz compared with the New York median for gastroenterologists, 2024

  • Kelly Diaz
  • New York median
Medicare services
147vs 42165% below
Medicare patients
83vs 23665% below
Part D claims
50vs 38287% below

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

Kelly 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 Kelly Diaz

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

Kelly Diaz treated 83 Medicare patients in 2024, average age 73

CMS counts 83 Medicare patients who saw Kelly Diaz in 2024. The largest group is 65 to 74, with 39 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 1.20, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Kelly Diaz's median patient age at 51, with 58% women.

Medicare patients, 202483
Average age73
Average risk score1.20
Also on Medicaid17%

Kelly Diaz's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Kelly Diaz's Medicare patients by sex, 2024

  • Women5060%
  • Men3340%

Chronic conditions among Kelly Diaz's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis40%
  4. Diabetes36%
  5. Chronic kidney disease23%
  6. Ischemic heart disease18%
  7. Anxiety17%
  8. Cancer17%

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

Kelly 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 51

Patient panel by sex, all payers

  • Women58%
  • Men38%

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

Kelly Diaz wrote 82 Medicare Part D claims in 2024

In 2024, Kelly Diaz wrote 82 Medicare Part D claims for 42 patients. 93% of them were for generic drugs. CMS names the drug for 50 of them, across 3 drugs with 11 or more claims each, at $394 in total drug cost. In 2023, CMS named 73 claims across 4 drugs.

Part D claims, 202482
Drugs named by CMS3
Total drug cost$394
Part D patients42

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

  • Generic76 claims93%
  • Brand-name and other6 claims7%

Kelly 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.

Drug classes CMS tracks in Kelly Diaz's Part D claims, 2024

  • Antibiotics15%12 of 82 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 732024: 5032%

Drugs named by CMS: 3 in 2024, 4 in 2023.

See all prescribing by Kelly 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

Kelly Diaz ranks in the 64th percentile for colonoscopy in Medicare

Kelly Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Kelly Diaz as offering telehealth. CMS counts 52 procedures of colonoscopy by Kelly Diaz, more than 64% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Kelly Diaz ranks in Medicare procedure volume

Colonoscopy
64th percentile52 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
52nd percentile24 procedures

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

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Kelly Diaz has 7 publications on record

Dmand AI links 7 papers to Kelly Diaz, published from 2018 to 2022. The most frequent topics are Pancreatic Neoplasms and Liver Cirrhosis. Kelly Diaz's most frequent co-authors are Aimee Lee Lucas, MD, Thomas D. Schiano, MD and Eugene R. Ahn, MD.

Papers7
Years published2018 to 2022

Kelly Diaz's papers by year, 2018 to 2022

Topics Kelly Diaz writes about most

  • Pancreatic Neoplasms
  • Liver Cirrhosis

Kelly Diaz's most frequent co-authors

Recent publications by Kelly Diaz

See all 7 publications and co-authors

See who Kelly Diaz researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Kelly Diaz works with, so you can find a warm path to the right gastroenterologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Kelly Diaz received $125 in industry payments in 2024

CMS Open Payments shows 1 general payment to Kelly Diaz from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Bausch Health Americas, Inc. paid the most, $125.

Companies that paid Kelly Diaz the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Kelly Diaz

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

Kelly Diaz graduated from Columbia University College of Physicians and Surgeons

Kelly Diaz graduated from Columbia University College of Physicians and Surgeons in 2017.

  1. Medical schoolColumbia University College of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Sources for Kelly 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 phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
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 Kelly 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 Kelly Diaz's NPI number?

Kelly Diaz's NPI number is 1740712017. It was assigned on March 28, 2017, and it is active in the NPI Registry.

What does Kelly Diaz specialize in?

Kelly Diaz is a gastroenterologist in Scarsdale, New York. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Kelly Diaz practice?

Kelly Diaz practices at 341 Central Park Ave, Scarsdale, NY 10583. Kelly Diaz's primary practice is Mount Sinai School of Medicine of New York University in Scarsdale, New York. Dmand AI also links Kelly Diaz to 1 group practice or clinic.

What is Kelly Diaz's office phone number?

The practice phone on file for Kelly Diaz is (914) 370-5000.

What is Kelly Diaz's medical license number?

Kelly Diaz holds New York license 321127.

What medical group is Kelly Diaz part of?

Kelly Diaz is linked to Mount Sinai Doctors-Scarsdale (Mount Sinai Doctors - Westchester).

Does Kelly Diaz accept Medicare?

Yes. CMS data shows Kelly Diaz billed Medicare for 147 services in 2024, and Kelly Diaz accepts Medicare assignment.

Does Kelly Diaz offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Kelly Diaz as offering telehealth services.

How many Medicare patients does Kelly Diaz see?

CMS counts 83 Medicare patients who saw Kelly Diaz in 2024, with an average age of 73.

What services does Kelly Diaz bill to Medicare?

In 2024, Kelly Diaz's most billed Medicare services were office visit, new patient (99204), surgery: heart and blood vessels (36415) and office visit, established patient (99215).

Show 6 more questionsShow fewer questions

Where did Kelly Diaz go to medical school?

Kelly Diaz graduated from Columbia University College of Physicians and Surgeons in 2017.

What drugs does Kelly Diaz prescribe most?

In 2024 Medicare Part D data, Kelly Diaz's most prescribed drugs by claims were Omeprazole, Pantoprazole Sodium and Gavilyte-G.

Has Kelly Diaz received payments from drug or device companies?

CMS Open Payments shows $125 in general payments to Kelly Diaz from 1 company from 2024 to 2024. The largest total came from Bausch Health Americas, Inc.

How long has Kelly Diaz been practicing?

Kelly Diaz graduated from medical school in 2017, 9 years ago.

Does Kelly Diaz do research?

Dmand AI links 7 publications to Kelly Diaz, published from 2018 to 2022.

Who does Kelly Diaz publish with?

Kelly Diaz's most frequent co-authors are Aimee Lee Lucas, MD (2 shared papers), Thomas D. Schiano, MD (2 shared papers) and Eugene R. Ahn, MD (1 shared paper).

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