IndividualActive
Nancy Marquez
NPI 1538234067 · Mental Health Counselor · Napa, CA
Nancy Marquez is a Mental Health Counselor provider in Napa, CA (NPI 1538234067).
Provider details
- NPI number
- 1538234067
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(84/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
83% 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
2100 Napa Vallejo Hwy
Napa, CA 94558-6234
Phone: (707) 253-1009
Fax: (707) 253-7269
Street-level locationGet directions
Mailing address
Po Box 7090
Napa, CA 94558-0708
Registry dates
- Enumerated
- 2006-11-21
- Last updated
- 2007-07-08
Frequently asked questions
- What is Nancy Marquez's NPI number?
- Nancy Marquez's National Provider Identifier (NPI) is 1538234067, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Marquez's specialty?
- Nancy Marquez is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Nancy Marquez located?
- Nancy Marquez's practice location on file with NPPES is 2100 Napa Vallejo Hwy, Napa, CA 94558-6234.
- What is Nancy Marquez's phone number?
- The practice phone number listed in the NPPES registry for Nancy Marquez is (707) 253-1009.
- Is Nancy Marquez's NPI active?
- Yes — Nancy Marquez's NPI (1538234067) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.