Dr. Glenn R Simmons, D.D.S.

Dr. Glenn R Simmons is a Dentist provider (Dentist) practicing in Oxnard, CA, registered in the NPPES registry with NPI 1104010321 since 2007. The credential DDS stands for Doctor of Dental Surgery.

✓ Active NPI ✓ Valid NPI checksum Sole proprietor

NPI	1104010321
Entity type	Individual (Type 1)
Name	Dr. Glenn R Simmons
Credential	D.D.S.
Sex	Male
Practice address	Oxnard, CA, 93030
Phone	8056047695
Fax	8056049097
Enumeration date	2007-08-30
Last updated in NPPES	2007-08-30

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

Taxonomy & licenses

Taxonomy code	Specialty	Primary	License	State
122300000X	Dentist	Primary	30293	CA

DDS — Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS credential

Copy-ready billing details

Provider: Glenn Simmons, D.D.S.
NPI: 1104010321
Taxonomy: 122300000X (Dentist)
Address: Oxnard, CA, 93030

Other providers at this practice address

NPI	Name	Type	Specialty	Location
1295716769	David Neumeister	Individual	General Practice Dentistry	Oxnard, CA
1548271372	Mousseli Chiropractic Corporation	Organization	Chiropractor	Oxnard, CA
1871695759	Adrienne Lara	Individual	Obstetrics & Gynecology Physician	Oxnard, CA
1912077314	Channel Islands Plastic & Reconstructive Surgery Medical Group, Inc.	Organization	Otolaryngology Physician	Oxnard, CA
1710039771	Oxnard Hueneme Obgyn Medical Group	Organization	Obstetrics & Gynecology Physician	Oxnard, CA
1346375227	Adrienne E. Lara, M.D. Inc.	Organization	Obstetrics & Gynecology Physician	Oxnard, CA
1700084597	Barbara Greene	Individual	Contractor	Oxnard, CA
1790979912	Nadia Sethi	Individual	General Practice Dentistry	Oxnard, CA

Verify this record

Cross-check NPI 1104010321 against the authoritative CMS record: view Dr. Glenn R Simmons on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

Where does Glenn Simmons practice?

The practice location on file with NPPES is in Oxnard, CA. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Glenn Simmons?

The National Provider Identifier (NPI) for Glenn Simmons is 1104010321, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2007-08-30.