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MARK CHIEN MD LLC
NPI 1790890598
Internal Medicine in Chicago, IL

Active since August 20, 2006
680 N LAKE SHORE DR, SUITE 118, CHICAGO, IL 60611(312) 503-6000(312) 503-6329 Get Directions Write a Review

NPPES record last updated: November 14, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mark Chien Md Llc NPPES

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

MARK CHIEN MD LLC (NPI 1790890598) is a healthcare organization registered as an internal medicine in Chicago, Illinois and active in the NPI registry since August 2006. The organization lists Mark C Chien, President, as its authorized official.

NPPES Registry Identity

NPI1790890598
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameMARK CHIEN MD LLC
Location Address680 N LAKE SHORE DR, SUITE 118Chicago, IL 60611-4546
Mailing Address680 N Lake Shore Dr, Suite 118Chicago, IL 60611-4546 · (312) 503-6000 · Fax (312) 503-6329
Phone(312) 503-6000
Fax(312) 503-6329
Organization SubpartNo
Authorized OfficialMark C ChienPresident · (312) 503-6000
Enumeration DateAugust 20, 2006
Last NPPES UpdateNovember 14, 2007
✔ NPI 1790890598 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.
680 N LAKE SHORE DR, Chicago, IL 60611
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Other Identifiers 1

Medicare PIN213983IL

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 20

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

MRS. BONNIE DEVROE MALIK CRNA
Nurse Anesthetist, Certified Registered
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Cook County (312) 695-9797
IMG MD, LLC
Medical Genetics, Ph.D. Medical Genetics
680 N LAKE SHORE DR
CHICAGO, IL 60611
Cook County (312) 981-4400
DR. JAY MICHAEL PENSLER M.D.
Specialist
680 N LAKE SHORE DR, SUITE 1125
CHICAGO, IL 60611
Cook County (312) 642-7777
JAY PRYSTOWSKY MD
Surgery
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Cook County (312) 695-9797
ANURADHA PERNI MD
Anesthesiology (Pain Medicine)
680 N LAKE SHORE DR, SUITE 1000
CHICAGO, IL 60611
Cook County (312) 695-9797
GYNECOLOGIC SPECIALISTS OF NORTHWESTERN, S.C.
Obstetrics & Gynecology (Gynecology)
680 N LAKE SHORE DR, SUITE117
CHICAGO, IL 60611
Cook County (312) 654-1166
DR. LEANNE TRAPP BENSKO M.D.
Pediatrics
680 N LAKE SHORE DR, 1050
CHICAGO, IL 60611
Cook County (312) 642-5515
DR. JULIA GOLDIN DNP
Nurse Practitioner (Family)
680 N LAKE SHORE DR
CHICAGO, IL 60611
Cook County (312) 965-6868

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 Mark Chien MD LLC's NPI number?

The NPI number for Mark Chien MD LLC is 1790890598. It was assigned to this organization in the NPPES registry on August 20, 2006.

Where is Mark Chien MD LLC located?

Mark Chien MD LLC is located at 680 N Lake Shore Dr Suite 118, Chicago, IL 60611. The listed phone number is (312) 503-6000.

What is Mark Chien MD LLC'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 Mark Chien MD LLC was last updated on November 14, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years 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.