Marco Guillen, LMFT
NPI 1487951869 · Marriage & Family Therapist · Montebello, CA
Enrolled with Medicare as Practitioner - Marriage and Family Therapist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marco Guillen, LMFT is a Marriage & Family Therapist provider in Montebello, CA (NPI 1487951869).
Provider details
- NPI number
- 1487951869
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 43686 (CA)
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
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
Mailing address
Registry dates
- Enumerated
- 2011-02-18
- Last updated
- 2011-02-18
Frequently asked questions
- What is Marco Guillen's NPI number?
- Marco Guillen's National Provider Identifier (NPI) is 1487951869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marco Guillen's specialty?
- Marco Guillen is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Marco Guillen located?
- Marco Guillen's practice location on file with NPPES is 3109 Via Breve, Montebello, CA 90640-2204.
- What is Marco Guillen's phone number?
- The practice phone number listed in the NPPES registry for Marco Guillen is (323) 707-7621.
- Does Marco Guillen accept Medicare?
- Marco Guillen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marco Guillen's NPI active?
- Yes — Marco Guillen's NPI (1487951869) is active in the NPPES registry as of the last update on 2011-02-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.