Janell Mercer, LMFT
NPI 1336499961 · Marriage & Family Therapist · San Bernardino, CA
Janell Mercer, LMFT is a Marriage & Family Therapist provider in San Bernardino, CA (NPI 1336499961).
Provider details
- NPI number
- 1336499961
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- 72010 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
- 2012-09-11
- Last updated
- 2018-12-04
Frequently asked questions
- What is Janell Mercer's NPI number?
- Janell Mercer's National Provider Identifier (NPI) is 1336499961, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Janell Mercer's specialty?
- Janell Mercer is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Janell Mercer located?
- Janell Mercer's practice location on file with NPPES is 1908 Business Center Dr, San Bernardino, CA 92408-3436.
- What is Janell Mercer's phone number?
- The practice phone number listed in the NPPES registry for Janell Mercer is (909) 890-5930.
- Is Janell Mercer's NPI active?
- Yes — Janell Mercer's NPI (1336499961) is active in the NPPES registry as of the last update on 2018-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.