Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. MARK BLITSTEIN M.D.
NPI 1922086560
Specialist in Lake Forest, IL

Q: What is Mark Blitstein's NPI number?

The NPI number for Mark Blitstein is 1922086560. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Q: What is Mark Blitstein's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Mark Blitstein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.

Active since January 04, 2006

800 N WESTMORELAND RD, SUITE 102, LAKE FOREST, IL 60045(847) 295-1300(847) 295-1574 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

On this page

About Dr. Mark Blitstein M.d. NPPES

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

DR. MARK BLITSTEIN M.D. (NPI 1922086560) is an individual specialist in Lake Forest, Illinois and active in the NPI registry since January 2006.

NPPES Registry Identity

NPI1922086560

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. MARK BLITSTEINCredential: M.D.

Location Address800 N WESTMORELAND RD, SUITE 102Lake Forest, IL 60045-1673

Mailing Address800 N Westmoreland Rd, Suite 102Lake Forest, IL 60045-1673 · (847) 295-1300 · Fax (847) 295-1574

Phone(847) 295-1300

Fax(847) 295-1574

Sole ProprietorNo

Enumeration DateJanuary 4, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1922086560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

800 N WESTMORELAND RD, Lake Forest, IL 60045

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Antidote Health Plan of Ohio, Inc..Insurance ›

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. JASON T GARTI M.D.

Internal Medicine

800 N WESTMORELAND RD, SUITE 100
LAKE FOREST, IL 60045

Lake County (847) 234-8866

JAMES D FRYDMAN MD

Surgery

800 N WESTMORELAND RD, SUITE 205
LAKE FOREST, IL 60045

Lake County (847) 234-4310

DAVID VIGDER MD SC

Internal Medicine

800 N WESTMORELAND RD, SUITE 206
LAKE FOREST, IL 60045

Lake County (847) 615-2227

KATHRYN VITALE MSN, APN, AGCNS-BC

Clinical Nurse Specialist

800 N WESTMORELAND RD
LAKE FOREST, IL 60045

Lake County (847) 234-5600

TAEHAN P KIM MD, PHD

Dermatology

800 N WESTMORELAND RD
LAKE FOREST, IL 60045

Lake County (847) 535-7664

NORTHSHORE EYE CARE, LTD

Ophthalmology

800 N WESTMORELAND RD, SUITE 206
LAKE FOREST, IL 60045

Lake County (847) 295-2445

DR. ALEX STEVE TOSIOU M.D.

Internal Medicine (Gastroenterology)

800 N WESTMORELAND RD, SUITE 102
LAKE FOREST, IL 60045

Lake County (847) 295-1300

SURGEONS GROUP, S.C.

Surgery

800 N WESTMORELAND RD, SUITE 205
LAKE FOREST, IL 60045

Lake County (847) 234-4310

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 Blitstein's NPI number?

The NPI number for Mark Blitstein is 1922086560. It was assigned to this individual provider in the NPPES registry on January 4, 2006.

Where is Mark Blitstein located?

Mark Blitstein practices at 800 N Westmoreland Rd Suite 102, Lake Forest, IL 60045. The listed phone number is (847) 295-1300.

What is Mark Blitstein's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

What insurance does Mark Blitstein accept?

Health plans from Antidote Health Plan of Ohio, Inc. list Mark Blitstein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mark Blitstein was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 days 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.