NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Dewayne Ervin

Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist in Texas City, TX · enumerated 2020.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1164053336

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Dewayne Ervin
Sex Male
Practice address Texas City, TX, 77590
Phone (409) 945-3436
Fax (409) 948-2636
Enumeration date Jan 27, 2020
Last updated in NPPES Jan 27, 2020

Street address withheld — NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1835P0018X Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist Pharmacy Service Providers · License 19601 (TX) Primary

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes — even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Dewayne Ervin?
The National Provider Identifier (NPI) for Dewayne Ervin is 1164053336, a Type 1 (individual) record in the CMS NPPES registry.
Where does Dewayne Ervin practice?
The practice location on file with NPPES is in Texas City, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-01-27.