Jose Julian Castro Diaz
- Part D claims, 2024
- 437
- Industry payments
- $3,069
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 14 Cll 2, Guaynabo, PR 00969
- Practice phone
- Call (787) 735-7500
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Jose Castro Diaz's professional email, personal email and mobile number
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Jose Julian Castro Diaz is a urologist in Guaynabo, Puerto Rico
Jose Castro Diaz practices in Guaynabo, Puerto Rico.
Jose Castro Diaz's NPI, 1609875335, was assigned on July 15, 2005. Jose Castro Diaz holds Puerto Rico license 7067.
- NPI
- 1609875335NPI Registry (opens in a new tab)
- NPI enumeration date
- July 15, 2005
- NPI status
- Active
- Practice phone
- (787) 735-7500
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); and Dmand AI Professional Profile Data
Jose Julian Castro Diaz's practice address is in Guaynabo, Puerto Rico
Jose Castro Diaz's practice address in the NPI Registry is 14 Cll 2, Guaynabo, PR 00969, in Guaynabo County. The practice phone is (787) 735-7500.
- NPI Registry address14 Cll 2, Guaynabo, PR 00969 · Guaynabo CountyPhone(787) 735-7500
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dmand AI tracks the EHR system at Jose Julian Castro Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jose Castro Diaz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Jose Castro Diaz's practice | Available with a free account |
Source: Dmand AI Technology Install Data
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Jose Julian Castro Diaz is one of 94 urologists in Puerto Rico
Urology is Jose Castro Diaz's primary specialty in the NPI Registry, under taxonomy code 208800000X. Jose Castro Diaz is licensed in Puerto Rico.
Specialties and state licenses
- Urology, Puerto RicoPrimary
Urologists near Jose Castro Diaz
Counts of urologists 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
Jose Julian Castro Diaz wrote 437 Medicare Part D claims in 2024
In 2024, Jose Castro Diaz wrote 437 Medicare Part D claims for 125 patients. 95% of them were for generic drugs. CMS names the drug for 391 of them, across 8 drugs with 11 or more claims each, at $325,293 in total drug cost. In 2023, CMS named 353 claims across 5 drugs.
Jose Castro Diaz's Part D claims by kind of drug, 2024
- Generic414 claims95%
- Brand-name23 claims5%
Jose Castro 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 Jose Castro Diaz's Part D claims, 2024
- Antibiotics20%89 of 437 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: 3532024: 39111%
Drugs named by CMS: 8 in 2024, 5 in 2023.
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
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Jose Julian Castro Diaz received $3,069 in industry payments from 2016 to 2024
CMS Open Payments shows 33 general payments to Jose Castro Diaz from 12 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 95% of the total. Boston Scientific Corporation paid the most, $889.
General payments to Jose Castro Diaz by program year, 2016 to 2024
General payments to Jose Castro Diaz by kind, 2016 to 2024
- Food and beverage$2,90895%
- Education$1615%
Companies that paid Jose Castro Diaz the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Jose Julian Castro 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 |
| 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) |
| 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 Jose Julian Castro 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 Jose Julian Castro Diaz's NPI number?
Jose Julian Castro Diaz's NPI number is 1609875335. It was assigned on July 15, 2005, and it is active in the NPI Registry.
What does Jose Julian Castro Diaz specialize in?
Jose Julian Castro Diaz is a urologist in Guaynabo, Puerto Rico. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Jose Julian Castro Diaz practice?
Jose Castro Diaz practices at 14 Cll 2, Guaynabo, PR 00969.
What is Jose Julian Castro Diaz's office phone number?
The practice phone on file for Jose Castro Diaz is (787) 735-7500.
What is Jose Julian Castro Diaz's medical license number?
Jose Castro Diaz holds Puerto Rico license 7067.
What drugs does Jose Julian Castro Diaz prescribe most?
In 2024 Medicare Part D data, Jose Castro Diaz's most prescribed drugs by claims were Tamsulosin HCl, Oxybutynin Chloride and Levofloxacin.
Has Jose Julian Castro Diaz received payments from drug or device companies?
CMS Open Payments shows $3,069 in general payments to Jose Castro Diaz from 12 companies from 2016 to 2024. The largest total came from Boston Scientific Corporation.
How long has Jose Julian Castro Diaz been practicing?
Jose Castro Diaz's NPI was assigned in 2005.
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