Sierra Marshall, LPC
NPI 1790428324 · Counselor · Avondale, AZ
Sierra Marshall, LPC is a Counselor provider in Avondale, AZ (NPI 1790428324).
Provider details
- NPI number
- 1790428324
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Credential
- LPC
- Sex
- Female
- Sole proprietor
- No
- License
- LAC-19024 (AZ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
4 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
- 2022-04-20
- Last updated
- 2023-10-19
- Certified
- 2023-10-19
Frequently asked questions
- What is Sierra Marshall's NPI number?
- Sierra Marshall's National Provider Identifier (NPI) is 1790428324, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sierra Marshall's specialty?
- Sierra Marshall is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Sierra Marshall located?
- Sierra Marshall's practice location on file with NPPES is 235 W Western Ave, Avondale, AZ 85323-1848.
- What is Sierra Marshall's phone number?
- The practice phone number listed in the NPPES registry for Sierra Marshall is (602) 230-7373.
- Is Sierra Marshall's NPI active?
- Yes — Sierra Marshall's NPI (1790428324) is active in the NPPES registry as of the last update on 2023-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.