Dr. Eduardo J. Diaz, MD
- Medicare services, 2024
- 81
- Medicare patients, 2024
- 28
- Part D claims, 2024
- 17
- Hospital affiliations
- 1
- Industry payments
- $410
- Practice address
- 73 Cll Santa Cruz, Bayamon, PR 00959
- Practice phone
- Call (787) 754-8500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Corporacion Centro Cardiovascular De Puerto Rico Y Del Caribe
Bayamon, Puerto Rico
Find Dr. Diaz's professional email, personal email and mobile number
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Dr. Eduardo J. Diaz is a nephrologist in Bayamon, Puerto Rico
Dr. Diaz practices at Corporacion Centro Cardiovascular De Puerto Rico Y Del Caribe in Bayamon, Puerto Rico.
Dr. Diaz's NPI, 1942328596, was assigned on March 26, 2007. Dr. Diaz holds Puerto Rico license 13894.
- NPI
- 1942328596NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840448460
- NPI enumeration date
- March 26, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (787) 754-8500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Eduardo J. Diaz practices at Corporacion Centro Cardiovascular De Puerto Rico Y Del Caribe in Bayamon, Puerto Rico
Dr. Diaz's primary practice is Corporacion Centro Cardiovascular De Puerto Rico Y Del Caribe, at 73 Cll Santa Cruz, Bayamon, PR 00959 in Bayamon County. The practice phone is (787) 754-8500.
- Corporacion Centro Cardiovascular De Puerto Rico Y Del Caribe73 Cll Santa Cruz, Bayamon, PR 00959 · Bayamon CountyPhone(787) 754-8500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Eduardo J. Diaz is affiliated with 2 sites of care and 1 medical group
Dr. Diaz's primary practice is Corporacion Centro Cardiovascular De Puerto Rico Y Del Caribe in Bayamon, Puerto Rico. Dr. Diaz is also affiliated with Centro Cardiovascular de Puerto Rico y del Caribe. The medical group on file is Centro Cardiovascular de Puerto Rico y el Caribe.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Eduardo J. Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Diaz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corporacion Centro Cardiovascular De Puerto Rico Y Del Caribe | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Eduardo J. Diaz is one of 122 nephrologists in Puerto Rico
Nephrology is Dr. Diaz's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Diaz is licensed in Puerto Rico.
Specialties and state licenses
- Nephrology, Puerto RicoPrimary
Nephrologists near Dr. Diaz
Counts of nephrologists 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. Eduardo J. Diaz billed Medicare for 81 services in 2024
CMS data shows 81 Medicare services from Dr. Diaz across 2 procedure codes in 2024, for 28 Medicare patients. Medicare paid $6,734 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Diaz's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 912024: 8111%
Dr. Diaz compared with the Puerto Rico median for nephrologists, 2024
- Dr. Diaz
- Puerto Rico median
- Medicare services
- 81vs 7016% above
- Medicare patients
- 28vs 3622% below
- Part D claims
- 11vs 1,56899% below
Medians across 124 nephrologists in Puerto Rico 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Diaz and other nephrologists in Puerto Rico.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Eduardo J. Diaz treated 28 Medicare patients in 2024, average age 75
CMS counts 28 Medicare patients who saw Dr. Diaz in 2024. 75% of them have chronic kidney disease, and 75% have diabetes. Their average risk score is 4.00, 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 63, with 0% women.
Dr. Diaz's Medicare patients by sex, 2024
- Women1139%
- Men1761%
Chronic conditions among Dr. Diaz's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- Heart failure75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease68%
- Atrial fibrillation54%
- Arthritis39%
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 63
Patient panel by sex, all payers
- Women0%
- Men100%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Eduardo J. Diaz wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Diaz wrote 17 Medicare Part D claims. 94% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $71 in total drug cost.
Dr. Diaz's Part D claims by kind of drug, 2024
- Generic16 claims94%
- Brand-name and other1 claims6%
Dr. Diaz's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
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
How Dr. Eduardo J. Diaz takes part in Medicare
Dr. Diaz accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Eduardo J. Diaz received $410 in industry payments from 2017 to 2024
CMS Open Payments shows 5 general payments to Dr. Diaz from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. NxStage Medical, Inc. paid the most, $147.
General payments to Dr. Diaz by program year, 2017 to 2024
Companies that paid Dr. Diaz the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Eduardo J. Diaz's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Eduardo J. 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. Eduardo J. Diaz's NPI number?
Dr. Eduardo J. Diaz's NPI number is 1942328596. It was assigned on March 26, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Eduardo J. Diaz?
Dr. Eduardo J. Diaz is a nephrologist in Bayamon, Puerto Rico. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Eduardo J. Diaz practice?
Dr. Diaz practices at 73 Cll Santa Cruz, Bayamon, PR 00959. Dr. Diaz's primary practice is Corporacion Centro Cardiovascular De Puerto Rico Y Del Caribe in Bayamon, Puerto Rico.
What is Dr. Eduardo J. Diaz's office phone number?
The practice phone on file for Dr. Diaz is (787) 754-8500.
What is Dr. Eduardo J. Diaz's medical license number?
Dr. Diaz holds Puerto Rico license 13894.
Which hospitals is Dr. Eduardo J. Diaz affiliated with?
Dr. Diaz is affiliated with Centro Cardiovascular de Puerto Rico y del Caribe.
What medical group is Dr. Eduardo J. Diaz part of?
Dr. Diaz is linked to Centro Cardiovascular de Puerto Rico y el Caribe.
Does Dr. Eduardo J. Diaz accept Medicare?
Yes. CMS data shows Dr. Diaz billed Medicare for 81 services in 2024, and Dr. Diaz accepts Medicare assignment.
How many Medicare patients does Dr. Eduardo J. Diaz see?
CMS counts 28 Medicare patients who saw Dr. Diaz in 2024, with an average age of 75.
What services does Dr. Eduardo J. Diaz bill to Medicare?
In 2024, Dr. Diaz's most billed Medicare services were hospital inpatient care (99232) and hospital inpatient care (99223).
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What drugs does Dr. Eduardo J. Diaz prescribe most?
In 2023 Medicare Part D data, Dr. Diaz's most prescribed drugs by claims were Atenolol.
Has Dr. Eduardo J. Diaz received payments from drug or device companies?
CMS Open Payments shows $410 in general payments to Dr. Diaz from 4 companies from 2017 to 2024. The largest total came from NxStage Medical, Inc.
How long has Dr. Eduardo J. Diaz been practicing?
Dr. Diaz graduated from medical school in 1995, 31 years ago.
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