Dr. Aleyda Maria San Hernandez, MD

  • Chicago, IL
  • Internist
NPI1609526433
Part D claims, 2024
102
Publications
3
Industry payments
$42
State license
1
Year NPI issued
2022
Practice address
1500 S Fairfield Ave, Chicago, IL 60608-1782
Practice phone
Call (773) 257-5914
Professional email
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Personal email
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Mobile number
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Social profiles

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Dr. Aleyda Maria San Hernandez is an internist in Chicago, Illinois

Dr. San Hernandez practices in Chicago, Illinois.

Dr. San Hernandez's NPI, 1609526433, was assigned on March 25, 2022. Dr. San Hernandez holds Illinois license 125079212.

NPI and contact details
NPI enumeration date
March 25, 2022
NPI status
Active
Practice phone
(773) 257-5914
Professional email
Get email
Personal email
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Mobile number
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Sex
Female

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

Dr. Aleyda Maria San Hernandez's practice address is in Chicago, Illinois

Dr. San Hernandez's practice address in the NPI Registry is 1500 S Fairfield Ave, Chicago, IL 60608-1782. The practice phone is (773) 257-5914.

  • NPI Registry address
    1500 S Fairfield Ave, Chicago, IL 60608-1782Phone(773) 257-5914

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

Dmand AI tracks the EHR system at Dr. Aleyda Maria San Hernandez's practice

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

EHR by site
SiteEHR vendor and product
Dr. San Hernandez's practiceAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Aleyda Maria San Hernandez is one of 5,652 internists in Illinois

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

Specialties and state licenses

  • Internal medicine, IllinoisPrimaryLicense 125079212 · taxonomy 207R00000X

Internists near Dr. San Hernandez

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. Aleyda Maria San Hernandez's patients have a median age of 56

Across all payers, Dmand AI patient panel data puts Dr. San Hernandez's median patient age at 56, with 50% women.

Dr. San Hernandez's patients across all payers

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

Patient panel by age, all payers

Median age 56

Patient panel by sex, all payers

  • Women50%
  • Men50%

Source: Dmand AI Patient Panel Data

Dr. Aleyda Maria San Hernandez wrote 102 Medicare Part D claims in 2024

In 2024, Dr. San Hernandez wrote 102 Medicare Part D claims for 42 patients. 83% of them were for generic drugs.

Part D claims, 2024102
Part D patients42

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

  • Generic85 claims83%
  • Brand-name and other17 claims17%

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

  • Antibiotics12%12 of 102 claims

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

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

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Dr. Aleyda Maria San Hernandez has 3 publications on record

Dmand AI links 3 papers to Dr. San Hernandez, published from 2020 to 2023. 2020 was the busiest year, with 2. Dr. San Hernandez has published most often in Cureus. Dr. San Hernandez's most frequent co-authors are Ranjit Babu Jasaraj and Mtanis Khoury, MD.

Papers3
Years published2020 to 2023

Dr. San Hernandez's most frequent co-authors

Recent publications by Dr. San Hernandez

See all 3 publications and co-authors

See who Dr. San Hernandez researches with

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

How network discovery works

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

Dr. Aleyda Maria San Hernandez received $42 in industry payments from 2023 to 2025

CMS Open Payments shows 2 general payments to Dr. San Hernandez from 2 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $22.

General payments to Dr. San Hernandez by program year, 2023 to 2025

Companies that paid Dr. San Hernandez the most, 2023 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. San Hernandez

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

Sources for Dr. Aleyda Maria San Hernandez'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
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider (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)
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. Aleyda Maria San Hernandez

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. Aleyda Maria San Hernandez's NPI number?

Dr. Aleyda Maria San Hernandez's NPI number is 1609526433. It was assigned on March 25, 2022, and it is active in the NPI Registry.

What kind of doctor is Dr. Aleyda Maria San Hernandez?

Dr. Aleyda Maria San Hernandez is an internist in Chicago, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).

Where does Dr. Aleyda Maria San Hernandez practice?

Dr. San Hernandez practices at 1500 S Fairfield Ave, Chicago, IL 60608-1782.

What is Dr. Aleyda Maria San Hernandez's office phone number?

The practice phone on file for Dr. San Hernandez is (773) 257-5914.

What is Dr. Aleyda Maria San Hernandez's medical license number?

Dr. San Hernandez holds Illinois license 125079212.

Has Dr. Aleyda Maria San Hernandez received payments from drug or device companies?

CMS Open Payments shows $42 in general payments to Dr. San Hernandez from 2 companies from 2023 to 2025. The largest total came from Eli Lilly and Company.

How long has Dr. Aleyda Maria San Hernandez been practicing?

Dr. San Hernandez's NPI was assigned in 2022.

Does Dr. Aleyda Maria San Hernandez do research?

Dmand AI links 3 publications to Dr. San Hernandez, published from 2020 to 2023.

Who does Dr. Aleyda Maria San Hernandez publish with?

Dr. San Hernandez's most frequent co-authors are Ranjit Babu Jasaraj (1 shared paper) and Mtanis Khoury, MD (1 shared paper).

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