Dr. Alexandra Diaz-Cruz, MD

  • Chicago, IL
  • Internist
NPI1821782921PAC ID7113388596
Part D claims, 2024
200
Industry payments
$26
Medical group
1
State license
1
Year NPI issued
2023
Practice address
1653 W Congress Pkwy, Chicago, IL 60612
Practice phone
Call (312) 942-5000
Professional email
Get professional email
Personal email
Get personal email
Mobile number
Get mobile number
Social profiles

Primary practice

Rush University &Medical Center

Chicago, Illinois

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Dr. Alexandra Diaz-Cruz is an internist in Chicago, Illinois

Dr. Diaz-Cruz practices at Rush University &Medical Center in Chicago, Illinois.

Dr. Diaz-Cruz's NPI, 1821782921, was assigned on June 5, 2023. Dr. Diaz-Cruz holds Illinois license 125082358.

NPI and contact details
Medicare PAC ID
7113388596
NPI enumeration date
June 5, 2023
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(312) 942-5000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female

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

Dr. Alexandra Diaz-Cruz practices at Rush University &Medical Center in Chicago, Illinois

Dr. Diaz-Cruz's primary practice is Rush University &Medical Center, at 1653 W Congress Pkwy, Chicago, IL 60612 in Cook County. The practice phone is (312) 942-5000.

  • Rush University &Medical Center
    1653 W Congress Pkwy, Chicago, IL 60612 · Cook CountyPhone(312) 942-5000

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

Dr. Alexandra Diaz-Cruz is affiliated with 1 site of care and 1 medical group

Dr. Diaz-Cruz's primary practice is Rush University &Medical Center in Chicago, Illinois. The medical group on file is MANA (Medical Associates of Northwest Arkansas).

Rush University &Medical CenterChicago, IllinoisPrimary
MANA (Medical Associates of Northwest Arkansas)Primary care group, Fayetteville, AR

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

Dmand AI tracks the EHR system at Dr. Alexandra Diaz-Cruz's practice

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

EHR by site
SiteEHR vendor and product
Rush University &Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Alexandra Diaz-Cruz is one of 5,652 internists in Illinois

Internal medicine is Dr. Diaz-Cruz's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Diaz-Cruz is licensed in Illinois.

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 125082358 · taxonomy 207R00000X

Internists near Dr. Diaz-Cruz

Counts of internists 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. Alexandra Diaz-Cruz's patients have a median age of 77

Across all payers, Dmand AI patient panel data puts Dr. Diaz-Cruz's median patient age at 77, with 40% women.

Dr. Diaz-Cruz's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 77

Patient panel by sex, all payers

  • Women40%
  • Men60%

Source: Dmand AI Patient Panel Data

Dr. Alexandra Diaz-Cruz wrote 200 Medicare Part D claims in 2024

In 2024, Dr. Diaz-Cruz wrote 200 Medicare Part D claims for 58 patients. 76% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $214 in total drug cost.

Part D claims, 2024200
Drugs named by CMS1
Total drug cost$214
Part D patients58

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

  • Generic151 claims76%
  • Brand-name and other49 claims25%

Dr. Diaz-Cruz'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-Cruz's Part D claims, 2024

  • Antibiotics7%13 of 200 claims

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

See all prescribing by Dr. Diaz-Cruz

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. Alexandra Diaz-Cruz takes part in Medicare

Dr. Diaz-Cruz 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. Alexandra Diaz-Cruz received $26 in industry payments in 2024

CMS Open Payments shows 1 general payment to Dr. Diaz-Cruz from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $26.

Companies that paid Dr. Diaz-Cruz the most, 2024 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Diaz-Cruz

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

Sources for Dr. Alexandra Diaz-Cruz'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 patients and the all-payer patient panelDmand AI Patient Panel Data
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)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
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. Alexandra Diaz-Cruz

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. Alexandra Diaz-Cruz's NPI number?

Dr. Alexandra Diaz-Cruz's NPI number is 1821782921. It was assigned on June 5, 2023, and it is active in the NPI Registry.

What kind of doctor is Dr. Alexandra Diaz-Cruz?

Dr. Alexandra Diaz-Cruz is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Alexandra Diaz-Cruz practice?

Dr. Diaz-Cruz practices at 1653 W Congress Pkwy, Chicago, IL 60612. Dr. Diaz-Cruz's primary practice is Rush University &Medical Center in Chicago, Illinois.

What is Dr. Alexandra Diaz-Cruz's office phone number?

The practice phone on file for Dr. Diaz-Cruz is (312) 942-5000.

What is Dr. Alexandra Diaz-Cruz's medical license number?

Dr. Diaz-Cruz holds Illinois license 125082358.

What medical group is Dr. Alexandra Diaz-Cruz part of?

Dr. Diaz-Cruz is linked to MANA (Medical Associates of Northwest Arkansas).

Does Dr. Alexandra Diaz-Cruz accept Medicare?

Yes. CMS lists Dr. Diaz-Cruz as accepting Medicare assignment.

What drugs does Dr. Alexandra Diaz-Cruz prescribe most?

In 2024 Medicare Part D data, Dr. Diaz-Cruz's most prescribed drugs by claims were Atorvastatin Calcium.

Has Dr. Alexandra Diaz-Cruz received payments from drug or device companies?

CMS Open Payments shows $26 in general payments to Dr. Diaz-Cruz from 1 company from 2024 to 2024. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Alexandra Diaz-Cruz been practicing?

Dr. Diaz-Cruz's NPI was assigned in 2023.

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