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Gwen Mattox, LVN
NPI 1649564121 · Licensed Vocational Nurse · Merced, CA
Gwen Mattox, LVN is a Licensed Vocational Nurse provider in Merced, CA (NPI 1649564121).
Provider details
- NPI number
- 1649564121
- Entity type
- Individual
- Primary specialty
- Licensed Vocational NurseNursing Service Providers
- Credential
- LVN
- Sex
- Female
- Sole proprietor
- No
- License
- 236591 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(81/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
300 E 15th St
Merced, CA 95341-6217
Phone: (209) 381-6819
Fax: (209) 381-6871
Street-level locationGet directions
Mailing address
P O Box 2087
Merced, CA 95341-6217
Registry dates
- Enumerated
- 2011-06-02
- Last updated
- 2016-01-27
Frequently asked questions
- What is Gwen Mattox's NPI number?
- Gwen Mattox's National Provider Identifier (NPI) is 1649564121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwen Mattox's specialty?
- Gwen Mattox is listed in the NPPES registry with a primary specialty of Licensed Vocational Nurse (Nursing Service Providers).
- Where is Gwen Mattox located?
- Gwen Mattox's practice location on file with NPPES is 300 E 15th St, Merced, CA 95341-6217.
- What is Gwen Mattox's phone number?
- The practice phone number listed in the NPPES registry for Gwen Mattox is (209) 381-6819.
- Is Gwen Mattox's NPI active?
- Yes — Gwen Mattox's NPI (1649564121) is active in the NPPES registry as of the last update on 2016-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.