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DIANNA HOLTZ RN
NPI 1144768938
Registered Nurse - Psychiatric/Mental Health in Ann Arbor, MI

Active since February 01, 2017
110 N 4TH AVE, ANN ARBOR, MI 48104(734) 544-3000 Get Directions Write a Review

NPPES record last updated: February 1, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dianna Holtz Rn NPPES

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

DIANNA HOLTZ RN (NPI 1144768938) is an individual psychiatric/mental health provider in Ann Arbor, Michigan, licensed in Michigan (4704321630) and active in the NPI registry since February 2017.

NPPES Registry Identity

NPI1144768938
Entity TypeIndividualFemale
Primary Taxonomy163WP0808X
Provider Legal NameDIANNA HOLTZCredential: RN
Location Address110 N 4TH AVEAnn Arbor, MI 48104-5503
Mailing Address555 Towner StYpsilanti, MI 48198-5752 · (734) 544-3000 · Fax (734) 544-6732
Phone(734) 544-3000
Sole ProprietorNo
Enumeration DateFebruary 1, 2017
✔ NPI 1144768938 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Psychiatric/Mental HealthNursing Service Providers
Taxonomy Code163WP0808X
License✔ Licensed in MI · 4704321630
110 N 4TH AVE, Ann Arbor, MI 48104
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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.

MRS. CHERYL A MILLER RPH
Pharmacist
110 N 4TH AVE
ANN ARBOR, MI 48104
Washtenaw County (734) 418-0448
MS. CAROL JEAN LUDWIG RN
Registered Nurse (Psychiatric/Mental Health)
110 N 4TH AVE
ANN ARBOR, MI 48104
Washtenaw County (734) 222-3781
KARINA J HAAS
Social Worker
110 N 4TH AVE
ANN ARBOR, MI 48104
Washtenaw County (734) 222-3750
ANDREW LEWIS
Social Worker
110 N 4TH AVE
ANN ARBOR, MI 48104
Washtenaw County (734) 222-3750
MADELYN RENA WILSON PATTERSON RN
Registered Nurse
110 N 4TH AVE
ANN ARBOR, MI 48104
Washtenaw County (734) 544-3050
MS. FLO ANNE HEPOLA LMSW
Social Worker
110 N 4TH AVE
ANN ARBOR, MI 48104
Washtenaw County (734) 222-3774
ALISSA QUANITA SNEED LLP
Psychologist
110 N 4TH AVE
ANN ARBOR, MI 48104
Washtenaw County (734) 544-3050
MS. MEGHAN PEREGORD LLMSW
Social Worker
110 N 4TH AVE
ANN ARBOR, MI 48104
Washtenaw County (734) 544-3050

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 Dianna Holtz's NPI number?

The NPI number for Dianna Holtz is 1144768938. It was assigned to this individual provider in the NPPES registry on February 1, 2017.

Where is Dianna Holtz located?

Dianna Holtz practices at 110 N 4th Ave, Ann Arbor, MI 48104. The listed phone number is (734) 544-3000.

What is Dianna Holtz's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Psychiatric/Mental Health, with taxonomy code 163WP0808X.

When was this NPI record last updated?

The NPPES record for Dianna Holtz was last updated on February 1, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.