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ALEXANDER JOHN ELLYIN MD
NPI 1083471700
Internal Medicine in Park Ridge, IL

Active since February 29, 2024
1775 BALLARD RD, PARK RIDGE, IL 60068(847) 318-9340 Get Directions Write a Review

NPPES record last updated: June 16, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 16, 2025, Mar 31, 2025 (2 updates tracked since 2025).

About Alexander John Ellyin Md NPPES

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

ALEXANDER JOHN ELLYIN MD (NPI 1083471700) is an individual internal medicine provider in Park Ridge, Illinois, licensed in Illinois (125.086333) and active in the NPI registry since February 2024.

NPPES Registry Identity

NPI1083471700
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameALEXANDER JOHN ELLYINCredential: MD
Location Address1775 BALLARD RDPark Ridge, IL 60068-1005
Mailing Address1775 Dempster StPark Ridge, IL 60068-1143
Phone(847) 318-9340
Sole ProprietorNo
Enumeration DateFebruary 29, 2024
Last NPPES UpdateJune 16, 20252 updates tracked since enumeration
NPPES CertifiedJune 16, 2025
✔ NPI 1083471700 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 125.086333
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1775 BALLARD RD, Park Ridge, IL 60068
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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.

DANIELLE ALYSSA WALES MD
Family Medicine
1775 BALLARD RD
PARK RIDGE, IL 60068
Cook County (847) 318-6020
ASHLEY ROSE ROBINSON DO
Student in an Organized Health Care Education/Training Program
1775 BALLARD RD
PARK RIDGE, IL 60068
Cook County (847) 318-9340
KEVIN LIN DO
Internal Medicine
1775 BALLARD RD
PARK RIDGE, IL 60068
Cook County (847) 318-9340
KRUTIL PATEL
Internal Medicine
1775 BALLARD RD
PARK RIDGE, IL 60068
Cook County (847) 318-9340
AYESHA LIAQUAT MD
Student in an Organized Health Care Education/Training Program
1775 BALLARD RD
PARK RIDGE, IL 60068
Cook County (847) 318-9340
WILLIAM D. RHOADES D.O.
Internal Medicine (Geriatric Medicine)
1775 BALLARD RD
PARK RIDGE, IL 60068
Cook County (847) 318-2500
MARYANN KELLY M.D.
Internal Medicine
1775 BALLARD RD
PARK RIDGE, IL 60068
Cook County (847) 318-9340
DR. JOSIAH ESCHBACH DO
Internal Medicine
1775 BALLARD RD
PARK RIDGE, IL 60068
Cook County (847) 318-9340

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexander Ellyin's NPI number?

The NPI number for Alexander Ellyin is 1083471700. It was assigned to this individual provider in the NPPES registry on February 29, 2024.

Where is Alexander Ellyin located?

Alexander Ellyin practices at 1775 Ballard Rd, Park Ridge, IL 60068. The listed phone number is (847) 318-9340.

What is Alexander Ellyin's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Alexander Ellyin was last updated on June 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.