ALEYDA MARIA SAN HERNANDEZ MD
NPI 1609526433
Internal Medicine - Endocrinology, Diabetes & Metabolism in Chicago, IL

Q: What is Aleyda San Hernandez's NPI number?

The NPI number for Aleyda San Hernandez is 1609526433. It was assigned to this individual provider in the NPPES registry on March 25, 2022.

Q: What is Aleyda San Hernandez's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

Active since March 25, 2022PECOS Enrolled

600 S PAULINA ST, CHICAGO, IL 60612(312) 864-0540 Get Directions Write a Review

NPPES record last updated: July 7, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Aleyda Maria San Hernandez Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ALEYDA MARIA SAN HERNANDEZ MD (NPI 1609526433) is an individual endocrinology, diabetes & metabolism provider in Chicago, Illinois, licensed in Illinois (036175266) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609526433

Entity TypeIndividualFemale

Primary Taxonomy207RE0101X

Provider Legal NameALEYDA MARIA SAN HERNANDEZCredential: MD

Location Address600 S PAULINA STChicago, IL 60612-3806

Mailing Address1500 S Fairfield AveChicago, IL 60608-1782 · (773) 257-2222

Phone(312) 864-0540

Sole ProprietorNo

Enumeration DateMarch 25, 2022

Last NPPES UpdateJuly 7, 2025

NPPES CertifiedJune 4, 2025

✔ NPI 1609526433 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians

Taxonomy Code207RE0101X

License✔ Licensed in IL · 036175266

Definition

An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.

Also ListedInternal MedicineTaxonomy 207R00000X · License 125079212 (IL)

600 S PAULINA ST, Chicago, IL 60612

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Aleyda Maria San Hernandez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$138.86 typical visit price

range $60.08 – $183.39

Typical copayment $34.71 (range $15.02 – $45.84)

Most-billed visit code 99204

Established Patient

$105.70 typical visit price

range $18.97 – $148.12

Typical copayment $26.42 (range $4.74 – $37.03)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. JOSEPH ROBERT KREBS MD

Radiology (Vascular & Interventional Radiology)