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DR. WILLIAM GERARD HEMMER DVM
NPI 1831433242
Veterinarian in Arnold, MD

Active since November 26, 2012
1414 RITCHIE HWY, 1414 RITCHIE HIGHWAY, ARNOLD, MD 21012(410) 757-7645 Get Directions Write a Review

NPPES record last updated: November 26, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. William Gerard Hemmer Dvm NPPES

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

DR. WILLIAM GERARD HEMMER DVM (NPI 1831433242) is an individual veterinarian provider in Arnold, Maryland, licensed in Maryland (4070) and active in the NPI registry since November 2012.

NPPES Registry Identity

NPI1831433242
Entity TypeIndividualMale
Primary Taxonomy174M00000X
Provider Legal NameDR. WILLIAM GERARD HEMMERCredential: DVM
Location Address1414 RITCHIE HWY, 1414 RITCHIE HIGHWAYArnold, MD 21012-2403
Mailing Address1414 Ritchie Hwy, Arnold Veterinary HospitalArnold, MD 21012-2403 · (410) 757-7645
Phone(410) 757-7645
Sole ProprietorNo
Enumeration DateNovember 26, 2012
✔ NPI 1831433242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyVeterinarianOther Service Providers
Taxonomy Code174M00000X
License✔ Licensed in MD · 4070
Definition
A doctor of veterinary medicine, trained and authorized to practice veterinarian medicine and surgery.
1414 RITCHIE HWY, Arnold, MD 21012
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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 William Hemmer's NPI number?

The NPI number for William Hemmer is 1831433242. It was assigned to this individual provider in the NPPES registry on November 26, 2012.

Where is William Hemmer located?

William Hemmer practices at 1414 Ritchie Hwy 1414 Ritchie Highway, Arnold, MD 21012. The listed phone number is (410) 757-7645.

What is William Hemmer's specialty?

The primary specialty registered for this NPI is Veterinarian with taxonomy code 174M00000X.

When was this NPI record last updated?

The NPPES record for William Hemmer was last updated on November 26, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.