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

DR. JAMES H. SAKER M.D.
NPI 1689645103
Allergy & Immunology - Clinical & Laboratory Immunology in Lansing, MI

Active since February 01, 2006
4169 LEGACY PKWY, LANSING, MI 48911(517) 394-6500(517) 393-4202 Get Directions Write a Review

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

About Dr. James H. Saker M.d. NPPES

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

DR. JAMES H. SAKER M.D. (NPI 1689645103) is an individual clinical & laboratory immunology provider in Lansing, Michigan, licensed in Michigan (JS022073) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1689645103
Entity TypeIndividualMale
Primary Taxonomy207KI0005X
Provider Legal NameDR. JAMES H. SAKERCredential: M.D.
Location Address4169 LEGACY PKWYLansing, MI 48911-4258
Mailing Address4169 Legacy PkwyLansing, MI 48911-4258 · (517) 394-6500 · Fax (517) 393-4202
Fax(517) 393-4202
Sole ProprietorNo
Enumeration DateFebruary 1, 2006
Last NPPES UpdateJuly 13, 2026
NPI 1689645103 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAllergy & Immunology · Clinical & Laboratory ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207KI0005X
License Licensed in MI · JS022073
Definition
An allergy and immunology physician who specializes in clinical and laboratory immunology disease management. Source: National Uniform Claim Committee, 2022 Additional Resources: A certification was, but is no longer, issued by the American Board of Allergy and Immunology.
4169 LEGACY PKWY, Lansing, MI 48911

Other Identifiers 1

Medicaid1268871MI

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.

Specialist
4169 LEGACY PKWY
LANSING, MI 48911
Allergy & Immunology (Clinical & Laboratory Immunology)
4169 LEGACY PKWY
LANSING, MI 48911
Allergy & Immunology
4169 LEGACY PKWY
LANSING, MI 48911
Allergy & Immunology
4169 LEGACY PKWY
LANSING, MI 48911
Allergy & Immunology (Clinical & Laboratory Immunology)
4169 LEGACY PKWY
LANSING, MI 48911

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 James Saker's NPI number?

The NPI number for James Saker is 1689645103. It was assigned to this individual provider in the NPPES registry on February 1, 2006.

Where is James Saker located?

James Saker practices at 4169 Legacy Pkwy, Lansing, MI 48911. The listed phone number is (517) 394-6500.

What is James Saker's specialty?

The primary specialty registered for this NPI is Allergy & Immunology, specializing in Clinical & Laboratory Immunology, with taxonomy code 207KI0005X.

When was this NPI record last updated?

The NPPES record for James Saker 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.