MARK J TIESZEN MD
NPI 1003838681
Internal Medicine - Critical Care Medicine in Kalamazoo, MI

Q: What is Mark Tieszen's NPI number?

The NPI number for Mark Tieszen is 1003838681. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Q: What is Mark Tieszen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Q: When was this NPI record last updated?

The NPPES record for Mark Tieszen was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.

Active since July 24, 2006

601 JOHN ST, SUITE M-510, KALAMAZOO, MI 49007(269) 341-7762(269) 341-8098 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 17, 2018, Dec 22, 2017, Dec 18, 2015 (3 updates tracked since 2015).

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About Mark J Tieszen Md NPPES

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

MARK J TIESZEN MD (NPI 1003838681) is an individual critical care medicine provider in Kalamazoo, Michigan, licensed in Michigan (4301108689) and active in the NPI registry since July 2006. He maintains a secondary practice location in Kalamazoo.

NPPES Registry Identity

NPI1003838681

Entity TypeIndividualMale

Primary Taxonomy207RC0200X

Provider Legal NameMARK J TIESZENCredential: MD

Location Address601 JOHN ST, SUITE M-510Kalamazoo, MI 49007-5341

Mailing Address5900 Byron Center Ave Sw, Medical AdministrationWyoming, MI 49519-9606 · (616) 252-3243 · Fax (616) 252-0260

Phone(269) 341-7762

Fax(269) 341-8098

Sole ProprietorNo

Enumeration DateJuly 24, 2006

Last NPPES UpdateMarch 17, 20183 updates tracked since enumeration

✔ NPI 1003838681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RC0200X

Licenses✔ Licensed in MI · 4301108689✔ Licensed in ND · 6606

Definition

An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Also ListedInternal MedicineTaxonomy 207R00000X · License 4301108689 (MI)

601 JOHN ST, Kalamazoo, MI 49007

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Secondary Practice Location 1

Location 1601 John St, Suite M-510Kalamazoo, MI 49007-5341 · Phone (269) 341-7762 · Fax (269) 341-8098

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. AMANDA KEATING WALKER D.O.

Obstetrics & Gynecology

601 JOHN ST, SUITE N1200
KALAMAZOO, MI 49007

Kalamazoo County (269) 341-7979

ANDREW W. WALKER MD

Emergency Medicine

601 JOHN ST
KALAMAZOO, MI 49007

Kalamazoo County (847) 404-6853

JUSTINE MELODIE OUDSEMA PA-C

Physician Assistant

601 JOHN ST, BOX 74
KALAMAZOO, MI 49007

Kalamazoo County (269) 341-8481

OCHUKO ANDREW OGHOR CRNA

Nurse Anesthetist, Certified Registered

601 JOHN ST
KALAMAZOO, MI 49007

Kalamazoo County (239) 341-7654

DR. ERIC S SHAY M.D.

Internal Medicine

601 JOHN ST, SUITE M-170
KALAMAZOO, MI 49007

Kalamazoo County (269) 381-5060

EVGENIIA MORLEY RD

Dietitian, Registered

601 JOHN ST
KALAMAROO, MI 49007

Kalamazoo County (269) 341-6615

SELECT HOSPITALISTS, PLLC

Internal Medicine

601 JOHN ST
KALAMAZOO, MI 49007

Kalamazoo County (269) 341-7100

DANIELLE ALLMAN NP

Nurse Practitioner

601 JOHN ST
KALAMAZOO, MI 49007

Kalamazoo County (269) 341-7654

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 Tieszen's NPI number?

The NPI number for Mark Tieszen is 1003838681. It was assigned to this individual provider in the NPPES registry on July 24, 2006.

Where is Mark Tieszen located?

Mark Tieszen practices at 601 John St Suite M-510, Kalamazoo, MI 49007. The listed phone number is (269) 341-7762.

What is Mark Tieszen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

When was this NPI record last updated?

The NPPES record for Mark Tieszen was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.