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

JOSHUA BRUCE RITZEMA MD
NPI 1407543572
Pediatrics in Ann Arbor, MI

Q: What is Joshua Ritzema's NPI number?

The NPI number for Joshua Ritzema is 1407543572. It was assigned to this individual provider in the NPPES registry on April 19, 2023.

Q: What is Joshua Ritzema's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Joshua Ritzema was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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 April 19, 2023

1540 E HOSPITAL DR, ANN ARBOR, MI 48109(734) 615-7845 Get Directions Write a Review

NPPES record last updated: July 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Joshua Bruce Ritzema Md NPPES

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

JOSHUA BRUCE RITZEMA MD (NPI 1407543572) is an individual pediatrics provider in Ann Arbor, Michigan, licensed in Michigan (4301516107) and active in the NPI registry since April 2023.

NPPES Registry Identity

NPI1407543572

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameJOSHUA BRUCE RITZEMACredential: MD

Location Address1540 E HOSPITAL DRAnn Arbor, MI 48109-4000

Mailing Address1540 E Hospital DrAnn Arbor, MI 48109-4000

Phone(734) 615-7845

Sole ProprietorNo

Enumeration DateApril 19, 2023

Last NPPES UpdateJuly 7, 2026

NPPES CertifiedJuly 7, 2026

✔ NPI 1407543572 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in MI · 4301516107

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

1540 E HOSPITAL DR, Ann Arbor, MI 48109

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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.

MICHELLE LYNNE BRISSE OTRL

Occupational Therapist

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (877) 475-6688

TOMMY HU MD

Pediatrics

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (743) 232-5933

ALEXA NORMAN MD

Pediatrics (Pediatric Cardiology)

1540 E HOSPITAL DR, CW 11-701 SPC 4204
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4038

ZACHARY MIKLJA

Student in an Organized Health Care Education/Training Program

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4000

JUSTIN EDWARD PALMER

Student in an Organized Health Care Education/Training Program

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (708) 341-0440

QUAN D NGUYEN M.D.

Anesthesiology

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (734) 232-8990

ANA ISABEL QUINONES RAMOS MD

Pediatrics (Pediatric Cardiology)

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (734) 936-4038

FANTA WAFER

Social Worker (Clinical)

1540 E HOSPITAL DR
ANN ARBOR, MI 48109

Washtenaw County (734) 763-6120

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 Joshua Ritzema's NPI number?

The NPI number for Joshua Ritzema is 1407543572. It was assigned to this individual provider in the NPPES registry on April 19, 2023.

Where is Joshua Ritzema located?

Joshua Ritzema practices at 1540 E Hospital Dr, Ann Arbor, MI 48109. The listed phone number is (734) 615-7845.

What is Joshua Ritzema's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

When was this NPI record last updated?

The NPPES record for Joshua Ritzema was last updated on July 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 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.