Gwendolyn Mallory, QMHA
NPI 1225666597 · Addiction (Substance Use Disorder) Counselor · Las Vegas, NV
Gwendolyn Mallory, QMHA is a Addiction (Substance Use Disorder) Counselor provider in Las Vegas, NV (NPI 1225666597).
Provider details
- NPI number
- 1225666597
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- QMHA
- Sex
- Female
- Sole proprietor
- Yes
- License
- 02632-I (NV)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
Mailing address
Registry dates
- Enumerated
- 2020-03-31
- Last updated
- 2020-06-17
- Certified
- 2020-06-17
Frequently asked questions
- What is Gwendolyn Mallory's NPI number?
- Gwendolyn Mallory's National Provider Identifier (NPI) is 1225666597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gwendolyn Mallory's specialty?
- Gwendolyn Mallory is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Gwendolyn Mallory located?
- Gwendolyn Mallory's practice location on file with NPPES is 4550 W Sahara Ave Apt 1241, Las Vegas, NV 89102-3648.
- What is Gwendolyn Mallory's phone number?
- The practice phone number listed in the NPPES registry for Gwendolyn Mallory is (909) 600-8373.
- Is Gwendolyn Mallory's NPI active?
- Yes — Gwendolyn Mallory's NPI (1225666597) is active in the NPPES registry as of the last update on 2020-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.