Guillermo Da Silva-Montemayor, M.S.
NPI 1730326786 · Marriage & Family Therapist · Newport Beach, CA
Guillermo Da Silva-Montemayor, M.S. is a Marriage & Family Therapist provider in Newport Beach, CA (NPI 1730326786).
Provider details
- NPI number
- 1730326786
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- M.S.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 77730 (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
17 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
- 2009-01-13
- Last updated
- 2017-11-13
Frequently asked questions
- What is Guillermo Da Silva-Montemayor's NPI number?
- Guillermo Da Silva-Montemayor's National Provider Identifier (NPI) is 1730326786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Da Silva-Montemayor's specialty?
- Guillermo Da Silva-Montemayor is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Guillermo Da Silva-Montemayor located?
- Guillermo Da Silva-Montemayor's practice location on file with NPPES is 1400 Bristol St N Ste 250, Newport Beach, CA 92660-2987.
- What is Guillermo Da Silva-Montemayor's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Da Silva-Montemayor is (714) 476-5846.
- Is Guillermo Da Silva-Montemayor's NPI active?
- Yes — Guillermo Da Silva-Montemayor's NPI (1730326786) is active in the NPPES registry as of the last update on 2017-11-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.