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Mariana Guillen
NPI 1043875420 · Behavior Technician · Milpitas, CA
Mariana Guillen is a Behavior Technician provider in Milpitas, CA (NPI 1043875420).
Provider details
- NPI number
- 1043875420
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(60/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
1603a S Main St
Milpitas, CA 95035-6261
Phone: (408) 842-2468
Street-level locationGet directions
Mailing address
909 Walnut Ave
Greenfield, CA 93927-4931
Registry dates
- Enumerated
- 2019-05-01
- Last updated
- 2019-05-01
Frequently asked questions
- What is Mariana Guillen's NPI number?
- Mariana Guillen's National Provider Identifier (NPI) is 1043875420, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariana Guillen's specialty?
- Mariana Guillen is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Mariana Guillen located?
- Mariana Guillen's practice location on file with NPPES is 1603a S Main St, Milpitas, CA 95035-6261.
- What is Mariana Guillen's phone number?
- The practice phone number listed in the NPPES registry for Mariana Guillen is (408) 842-2468.
- Is Mariana Guillen's NPI active?
- Yes — Mariana Guillen's NPI (1043875420) is active in the NPPES registry as of the last update on 2019-05-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.