Dr. Claro F. Diaz, MD

  • Memphis, TN
  • Interventional cardiologist
NPI1659371235PAC ID5597847236
Medicare services, 2024
1,942
Medicare patients, 2024
714
Part D claims, 2024
4,981
Publications
2
MIPS score, 2024
15
Practice address
1265 Union Ave Suite 700, Memphis, TN 38104
Practice phone
Call (901) 516-8274
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Methodist University Hospital

Hospital · Memphis, Tennessee

See all 4 affiliations

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Dr. Claro F. Diaz is an interventional cardiologist in Memphis, Tennessee

Dr. Diaz practices at Methodist University Hospital in Memphis, Tennessee, part of Methodist Le Bonheur Healthcare.

Dr. Diaz's NPI, 1659371235, was assigned on July 26, 2005. Dr. Diaz graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1988. Dr. Diaz holds Tennessee license 26491.

NPI and contact details
Medicare PAC ID
5597847236
NPI enumeration date
July 26, 2005
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(901) 516-8274
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
64
Medical school graduation
1988

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

Dr. Claro F. Diaz practices at Methodist University Hospital in Memphis, Tennessee

Dr. Diaz's primary practice is Methodist University Hospital, at 1265 Union Ave Suite 700, Memphis, TN 38104 in Shelby County. The practice phone is (901) 516-8274.

Source: Dmand AI Affiliation Data

Dr. Claro F. Diaz is affiliated with 3 sites of care and 1 medical group

Dr. Diaz's primary practice is Methodist University Hospital in Memphis, Tennessee, part of Methodist Le Bonheur Healthcare. Dr. Diaz is also affiliated with Methodist Olive Branch Hospital. The medical group on file is Sutherland Cardiology Clinic - Wolf River. Dmand AI also links Dr. Diaz to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Diaz

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

Dmand AI tracks the EHR system at Dr. Claro F. 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
Methodist University HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Claro F. Diaz is one of 212 interventional cardiologists in Tennessee

Interventional cardiology is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 207RI0011X. Dr. Diaz is board certified in interventional cardiology by the American Board of Internal Medicine. Dmand AI has Dr. Diaz's licenses on file in 4 states: Tennessee, Mississippi, Louisiana and Texas.

Specialties and state licenses

  • Interventional cardiology, TennesseePrimaryLicense 26491 · 1995 to 2026 · taxonomy 207RI0011X
  • Mississippi licenseLicense 16976 · 2000 to 2025
  • Louisiana license1988 to 2013
  • Texas license1991 to 2000

Clinical focus

Dmand AI lists angioplasty, cardiac catheterization, leg revascularization, pacemaker or defibrillator implantation, pacemaker replacement and varicose vein treatment among the conditions Dr. Diaz treats.

Interventional cardiologists near Dr. Diaz

Counts of interventional cardiologists 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. Claro F. Diaz billed Medicare for 1,942 services in 2024

CMS data shows 1,942 Medicare services from Dr. Diaz across 29 procedure codes in 2024, for 714 Medicare patients. Medicare paid $138,651 for them.

Medicare services, 20241,942
Medicare patients714
Paid by Medicare$138,651
Procedure codes29

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

  • 2023
  • 2024
Tests and treatments
2023: 1,1742024: 1,01713%
Office and hospital visits
2023: 7282024: 62714%
Surgery
2023: 1492024: 1369%
Imaging
2023: 582024: 8445%
Other services
2023: 02024: 78

Where Dr. Diaz's Medicare services took place, 2024

  • In an office35518%
  • In a facility1,58782%

Dr. Diaz compared with the Tennessee median for interventional cardiologists, 2024

  • Dr. Diaz
  • Tennessee median
Medicare services
1,942vs 1,8435% above
Medicare patients
714vs 79710% below
Part D claims
4,777vs 2,64780% above

Medians across 212 interventional cardiologists in Tennessee 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Diaz and other interventional cardiologists in Tennessee.

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

Dr. Claro F. Diaz treated 714 Medicare patients in 2024, average age 77

CMS counts 714 Medicare patients who saw Dr. Diaz in 2024. The largest group is 75 to 84, with 309 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 5% are also on Medicaid. Their average risk score is 1.60, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Diaz's median patient age at 75, with 43% women.

Medicare patients, 2024714
Average age77
Average risk score1.60
Also on Medicaid5%

Dr. Diaz's Medicare patients by age, 2024

Dr. Diaz's Medicare patients by sex, 2024

  • Women34749%
  • Men36751%

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

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease63%
  4. Arthritis49%
  5. Diabetes44%
  6. Atrial fibrillation39%
  7. Chronic kidney disease35%
  8. Heart failure31%

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 75

Patient panel by sex, all payers

  • Women43%
  • Men56%

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

Dr. Claro F. Diaz wrote 4,981 Medicare Part D claims in 2024

In 2024, Dr. Diaz wrote 4,981 Medicare Part D claims for 722 patients. 87% of them were for generic drugs. CMS names the drug for 4,777 of them, across 54 drugs with 11 or more claims each, at $524,510 in total drug cost. In 2023, CMS named 4,581 claims across 53 drugs.

Part D claims, 20244,981
Drugs named by CMS54
Total drug cost$524,510
Part D patients722

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

  • Generic4,339 claims87%
  • Brand-name642 claims13%

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.

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

  • Antibiotics0%12 of 4,981 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: 4,5812024: 4,7774%

Drugs named by CMS: 54 in 2024, 53 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. Claro F. Diaz scored 15 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 15 out of 100 for Dr. Diaz for performance year 2024, reported individually. Dr. Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Diaz as offering telehealth. CMS counts 63 procedures of coronary angioplasty and stenting by Dr. Diaz, more than 89% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Diaz's MIPS scores, performance year 2024

  • 15of 100Final score
  • 0of 100Quality
  • 0of 100Improvement Activities
  • 51of 100Cost

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

Coronary angioplasty and stenting
89th percentile63 procedures
Leg revascularization (restoring blood flow)
77th percentile18 procedures
Pacemaker insertion or repair
66th percentile15 procedures

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

Varicose vein removal: 1 to 10 procedures (CMS shows small counts as a range)

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. Claro F. Diaz has 2 publications on record

Dmand AI links 2 papers to Dr. Diaz in 2024. Dr. Diaz's most frequent co-author is Mazen Shukri Ganim, MD.

Papers2

Dr. Diaz's most frequent co-authors

Recent publications by Dr. Diaz

See all 2 publications and co-authors

See who Dr. Diaz researches with

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

How network discovery works

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

Dr. Claro F. Diaz received $250,494 in industry payments from 2016 to 2025

CMS Open Payments shows 801 general payments to Dr. Diaz from 36 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 56% of the total. Boston Scientific Corporation paid the most, $176,544.

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

General payments to Dr. Diaz by kind, 2016 to 2025

$250.5Kin total
  • Speaker and faculty fees$141,20056%
  • Consulting fees$32,55513%
  • Food and beverage$29,03412%
  • Travel and lodging$27,19111%
  • Other$20,5148%

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. Claro F. Diaz has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Diaz, most recently CMS Stage 1 EHR in 2012.

Awards and honors for Dr. Diaz

  1. 2012
    • CMS Stage 1 EHR
  2. Undated
    • ACC Fellow

Source: Dmand AI Professional Profile Data

Dr. Claro F. Diaz graduated from LSU Health Sciences Center New Orleans - School of Medicine

Dr. Diaz graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1988. Dr. Diaz is a member of ACC.

  1. Medical schoolLSU Health Sciences Center New Orleans - School of Medicine
  2. Board certified in interventional cardiologyAmerican Board of Internal Medicine
  3. Board certified in cardiovascular diseaseNational Board of Physicians and Surgeons
  4. Board certified in internal medicineNational Board of Physicians and Surgeons
  5. Board certified in interventional cardiologyNational Board of Physicians and Surgeons

Source: Dmand AI Professional Profile Data

Dr. Claro F. Diaz accepts plans from 19 insurance carriers

Dr. Diaz is in network with 19 carriers, including Aetna, Cigna and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Diaz accepts, by number of carriers

  1. PPO12
  2. HMO8
  3. Medicare8
  4. POS6
  5. EPO3
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Claro F. 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)
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)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Claro F. 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. Claro F. Diaz's NPI number?

Dr. Claro F. Diaz's NPI number is 1659371235. It was assigned on July 26, 2005, and it is active in the NPI Registry.

What kind of doctor is Dr. Claro F. Diaz?

Dr. Claro F. Diaz is an interventional cardiologist in Memphis, Tennessee. The primary specialty in the NPI Registry is Interventional Cardiology Physician (taxonomy code 207RI0011X).

Where does Dr. Claro F. Diaz practice?

Dr. Diaz practices at 1265 Union Ave Suite 700, Memphis, TN 38104. Dr. Diaz's primary practice is Methodist University Hospital in Memphis, Tennessee, part of Methodist Le Bonheur Healthcare. Dmand AI also links Dr. Diaz to 1 group practice or clinic.

What is Dr. Claro F. Diaz's office phone number?

The practice phone on file for Dr. Diaz is (901) 516-8274.

What is Dr. Claro F. Diaz's medical license number?

Dr. Diaz holds Tennessee license 26491, one of the licenses on file in 4 states.

Which states has Dr. Claro F. Diaz been licensed in?

Dmand AI has state licenses on file for Dr. Diaz in Tennessee (1995 to 2026), Mississippi (2000 to 2025), Louisiana (1988 to 2013) and Texas (1991 to 2000).

Which hospitals is Dr. Claro F. Diaz affiliated with?

Dr. Diaz practices at Methodist University Hospital in Memphis, Tennessee. Dr. Diaz is also affiliated with Methodist Olive Branch Hospital.

What medical group is Dr. Claro F. Diaz part of?

Dr. Diaz is linked to Sutherland Cardiology Clinic - Wolf River.

Does Dr. Claro F. Diaz accept Medicare?

Yes. CMS data shows Dr. Diaz billed Medicare for 1,942 services in 2024, and Dr. Diaz accepts Medicare assignment.

Does Dr. Claro F. Diaz offer telehealth?

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

Show 11 more questionsShow fewer questions

What is Dr. Claro F. Diaz's MIPS score?

Dr. Diaz's MIPS final score for performance year 2024 is 15 out of 100, reported individually.

How many Medicare patients does Dr. Claro F. Diaz see?

CMS counts 714 Medicare patients who saw Dr. Diaz in 2024, with an average age of 77.

Is Dr. Claro F. Diaz board certified?

Yes. Dr. Diaz is board certified in interventional cardiology by the American Board of Internal Medicine.

What services does Dr. Claro F. Diaz bill to Medicare?

In 2024, Dr. Diaz's most billed Medicare services were heart test or procedure (93294), heart test or procedure (93010) and office visit, established patient (99214).

Where did Dr. Claro F. Diaz go to medical school?

Dr. Diaz graduated from LSU Health Sciences Center New Orleans - School of Medicine in 1988.

What drugs does Dr. Claro F. Diaz prescribe most?

In 2024 Medicare Part D data, Dr. Diaz's most prescribed drugs by claims were Clopidogrel, Atorvastatin Calcium and Amlodipine Besylate.

Has Dr. Claro F. Diaz received payments from drug or device companies?

CMS Open Payments shows $250,494 in general payments to Dr. Diaz from 36 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Claro F. Diaz been practicing?

Dr. Diaz graduated from medical school in 1988, 38 years ago.

Does Dr. Claro F. Diaz do research?

Dmand AI links 2 publications to Dr. Diaz.

Who does Dr. Claro F. Diaz publish with?

Dr. Diaz's most frequent co-authors are Mazen Shukri Ganim, MD (1 shared paper).

What insurance does Dr. Claro F. Diaz accept?

Dr. Diaz is in network with 19 carriers, including Aetna, Cigna and United Healthcare. PPO plans come from the most carriers, 12. Check the plan with the practice before a visit.

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