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DOROTHY NICOLE HOLZUM PHARMD
NPI 1154801371
Pharmacist - Psychiatric in Saint Louis, MO

Active since August 16, 2018
915 N GRAND BLVD, SAINT LOUIS, MO 63106(314) 652-4100 Get Directions Write a Review

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

Record update history: Mar 17, 2026, Aug 16, 2018 (2 updates tracked since 2018).

About Dorothy Nicole Holzum Pharmd NPPES

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

DOROTHY NICOLE HOLZUM PHARMD (NPI 1154801371) is an individual psychiatric provider in Saint Louis, Missouri, licensed in Missouri (2018028004) and active in the NPI registry since August 2018.

NPPES Registry Identity

NPI1154801371
Entity TypeIndividualFemale
Primary Taxonomy1835P1300X
Provider Legal NameDOROTHY NICOLE HOLZUMCredential: PHARMD
Location Address915 N GRAND BLVDSaint Louis, MO 63106-1621
Mailing Address915 N Grand BlvdSaint Louis, MO 63106-1621
Phone(314) 652-4100
Sole ProprietorNo
Enumeration DateAugust 16, 2018
Last NPPES UpdateMarch 17, 20262 updates tracked since enumeration
NPPES CertifiedMarch 17, 2026
✔ NPI 1154801371 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPharmacist · PsychiatricPharmacy Service Providers
Taxonomy Code1835P1300X
License✔ Licensed in MO · 2018028004
Definition
A licensed pharmacist who has demonstrated specialized knowledge and skill in optimizing care of patients with psychiatric illness by assessing and monitoring patients, recognizing drug-induced problems, and recommending appropriate treatment plans.
915 N GRAND BLVD, Saint Louis, MO 63106
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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.

DR. MATTHEW CHRISTOPHER SIMPSON O.D.
Optometrist
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
MS. CHARMIN MEYATTA GIBSON M.S.W.
Social Worker
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4110
CONOR MCCARTNEY M.D.
Internal Medicine
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
ALITA BILLOPS CNP
Nurse Practitioner (Primary Care)
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
STEPHANIE ADAMS
Registered Nurse
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 289-7676
NAGLA ABDELMALEK M.D.
Emergency Medicine
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
DR. JAMES MICHAEL HASIK DDS
Dentist (General Practice)
915 N GRAND BLVD, DENTAL CLINIC
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100
MS. TRACY LANES CRNA
Nurse Anesthetist, Certified Registered
915 N GRAND BLVD
SAINT LOUIS, MO 63106
St. Louis City (314) 652-4100

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 Dorothy Holzum's NPI number?

The NPI number for Dorothy Holzum is 1154801371. It was assigned to this individual provider in the NPPES registry on August 16, 2018.

Where is Dorothy Holzum located?

Dorothy Holzum practices at 915 N Grand Blvd, Saint Louis, MO 63106. The listed phone number is (314) 652-4100.

What is Dorothy Holzum's specialty?

The primary specialty registered for this NPI is Pharmacist, specializing in Psychiatric, with taxonomy code 1835P1300X.

When was this NPI record last updated?

The NPPES record for Dorothy Holzum was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.