Colin Mahler
NPI 1194455154 · Mental Health Counselor · Rancho Cucamonga, CA
Colin Mahler is a Mental Health Counselor provider in Rancho Cucamonga, CA (NPI 1194455154).
Provider details
- NPI number
- 1194455154
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Behavior Technician106S00000X
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
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
Mailing address
Registry dates
- Enumerated
- 2022-06-13
- Last updated
- 2022-06-13
- Certified
- 2022-06-13
Frequently asked questions
- What is Colin Mahler's NPI number?
- Colin Mahler's National Provider Identifier (NPI) is 1194455154, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colin Mahler's specialty?
- Colin Mahler is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Colin Mahler located?
- Colin Mahler's practice location on file with NPPES is 9377 Haven Ave Ste 100, Rancho Cucamonga, CA 91730-5340.
- What is Colin Mahler's phone number?
- The practice phone number listed in the NPPES registry for Colin Mahler is (909) 906-1505.
- Is Colin Mahler's NPI active?
- Yes — Colin Mahler's NPI (1194455154) is active in the NPPES registry as of the last update on 2022-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.