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1 ON 1 MD PLLC
NPI 1578736112
Internal Medicine in Chicago, IL

Active since April 03, 2008
1828 W WEBSTER AVE STE 450, CHICAGO, IL 60614(312) 544-0200(312) 544-0299 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 5, 2026, Aug 18, 2021, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About 1 On 1 Md Pllc NPPES

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

1 ON 1 MD PLLC (NPI 1578736112) is a healthcare organization registered as an internal medicine in Chicago, Illinois and active in the NPI registry since April 2008. The organization lists Linda Huang, Medical Director, as its authorized official.

NPPES Registry Identity

NPI1578736112
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business Name1 ON 1 MD PLLC
Location Address1828 W WEBSTER AVE STE 450Chicago, IL 60614-2916
Mailing Address3302 N Lincoln Ave Unit 495Chicago, IL 60657-1108 · (312) 544-0200 · Fax (312) 544-0299
Phone(312) 544-0200
Fax(312) 544-0299
Organization SubpartNo
Authorized OfficialLinda HuangMedical Director · (312) 544-0200
Enumeration DateApril 3, 2008
Last NPPES UpdateJanuary 5, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2026
✔ NPI 1578736112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
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.
1828 W WEBSTER AVE STE 450, Chicago, IL 60614
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 5

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

JOHN STRACKS, MD, LLC
Family Medicine
1828 W WEBSTER AVE STE 450
CHICAGO, IL 60614
Cook County (312) 489-8890
DR. LINDA HUANG M.D.
Internal Medicine
1828 W WEBSTER AVE STE 450
CHICAGO, IL 60614
Cook County (312) 544-0200
JENNIFER GRAUS LCPC
Counselor (Professional)
1828 W WEBSTER AVE STE 450
CHICAGO, IL 60614
Cook County (847) 780-7086
RACHEL SPIZZIRRI THERAPY PLLC
Counselor (Mental Health)
1828 W WEBSTER AVE STE 450
CHICAGO, IL 60614
Cook County (847) 309-3894
DR. JOHN STEVEN STRACKS MD
Family Medicine
1828 W WEBSTER AVE STE 450
CHICAGO, IL 60614
Cook County (312) 489-8890

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 1 On 1 MD PLLC's NPI number?

The NPI number for 1 On 1 MD PLLC is 1578736112. It was assigned to this organization in the NPPES registry on April 3, 2008.

Where is 1 On 1 MD PLLC located?

1 On 1 MD PLLC is located at 1828 W Webster Ave Ste 450, Chicago, IL 60614. The listed phone number is (312) 544-0200.

What is 1 On 1 MD PLLC'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 1 On 1 MD PLLC was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.