Individual provider Active NPI

Zachary Mueller, PHARMD

  • Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist
  • Saint Louis, MO
National Provider Identifier
1548113251
Registry record updated Feb 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pharmacist Clinician (PhC)/ Clinical Pharmacy SpecialistTaxonomy code 1835P0018X
License
2016024481 Issued in MO
Practice address
1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003
Phone
(557) 234-3503
NPI assigned
Feb 20, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Feb 20, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist 1835P0018X 2016024481 MO Primary

Addresses

Primary practice location

1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003

Mailing address

1 Barnes Jewish Hospital PLZ
Saint Louis, MO 63110-1003

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Pharmacy

State licenses

LicenseStateTypeSpecialty
2016024481MOMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1771545600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771545600000",
    "number": "1548113251",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 BARNES JEWISH HOSPITAL PLZ",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101003",
            "telephone_number": "557-234-3503"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MUELLER",
        "first_name": "ZACHARY",
        "credential": "PHARMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-02-20",
        "last_updated": "2026-02-20",
        "certification_date": "2026-02-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1835P0018X",
            "taxonomy_group": "",
            "desc": "Pharmacist, Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist",
            "state": "MO",
            "license": "2016024481",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.