Diana Diaz, FNP
- Part D claims, 2024
- 29
- Industry payments
- $247
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 3943 W 31st St, Chicago, IL 60623
- Practice phone
- Call (773) 523-8773
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Jude Medical Clinic SC
Chicago, Illinois
Find Diana Diaz's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Diana Diaz is a family nurse practitioner in Chicago, Illinois
Diana Diaz practices at St Jude Medical Clinic SC in Chicago, Illinois.
Diana Diaz's NPI, 1558137281, was assigned on December 4, 2023. Diana Diaz holds Illinois license 209.028793.
- NPI
- 1558137281NPI Registry (opens in a new tab)
- NPI enumeration date
- December 4, 2023
- NPI status
- Active
- Practice phone
- (773) 523-8773
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Diana Diaz practices at St Jude Medical Clinic SC in Chicago, Illinois
Diana Diaz's primary practice is St Jude Medical Clinic SC, at 3943 W 31st St, Chicago, IL 60623 in Cook County. The practice phone is (773) 523-8773.
- St Jude Medical Clinic SC3943 W 31st St, Chicago, IL 60623 · Cook CountyPhone(773) 523-8773
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Diana Diaz is affiliated with 2 sites of care and 1 medical group
Diana Diaz's primary practice is St Jude Medical Clinic SC in Chicago, Illinois. The medical group on file is St. Jude Medical Clinic. Dmand AI also links Diana Diaz to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Diana Diaz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Diana Diaz practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Jude Medical Clinic SC | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Diana Diaz is one of 7,275 family nurse practitioners in Illinois
Family is Diana Diaz's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Diana Diaz is licensed in Illinois.
Specialties and state licenses
- Family nurse practitioner, IllinoisPrimary
Family nurse practitioners near Diana Diaz
Counts of family nurse practitioners 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
Diana Diaz's patients have a median age of 46
Across all payers, Dmand AI patient panel data puts Diana Diaz's median patient age at 46, with 72% women.
Diana 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 46
Patient panel by sex, all payers
- Women72%
- Men28%
Source: Dmand AI Patient Panel Data
Diana Diaz wrote 29 Medicare Part D claims in 2024
In 2024, Diana Diaz wrote 29 Medicare Part D claims for 14 patients. 97% of them were for generic drugs.
Diana Diaz's Part D claims by kind of drug, 2024
- Generic28 claims97%
- Brand-name and other1 claims3%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Diana Diaz received $247 in industry payments in 2025
CMS Open Payments shows 2 general payments to Diana Diaz from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $247.
Companies that paid Diana Diaz the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Diana 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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | 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 Diana 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 Diana Diaz's NPI number?
Diana Diaz's NPI number is 1558137281. It was assigned on December 4, 2023, and it is active in the NPI Registry.
What does Diana Diaz specialize in?
Diana Diaz is a family nurse practitioner in Chicago, Illinois. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Diana Diaz practice?
Diana Diaz practices at 3943 W 31st St, Chicago, IL 60623. Diana Diaz's primary practice is St Jude Medical Clinic SC in Chicago, Illinois. Dmand AI also links Diana Diaz to 1 group practice or clinic.
What is Diana Diaz's office phone number?
The practice phone on file for Diana Diaz is (773) 523-8773.
What is Diana Diaz's medical license number?
Diana Diaz holds Illinois license 209.028793.
What medical group is Diana Diaz part of?
Diana Diaz is linked to St. Jude Medical Clinic.
Has Diana Diaz received payments from drug or device companies?
CMS Open Payments shows $247 in general payments to Diana Diaz from 1 company from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Diana Diaz been practicing?
Diana Diaz's NPI was assigned in 2023.
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