Courtney Cheng-Mack, LMFT
NPI 1720730369 · Marriage & Family Therapist · San Rafael, CA
Courtney Cheng-Mack, LMFT is a Marriage & Family Therapist provider in San Rafael, CA (NPI 1720730369).
Provider details
- NPI number
- 1720730369
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- No
- License
- LMFT159688 (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
4 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
- 2022-01-25
- Last updated
- 2025-12-11
- Certified
- 2025-12-11
Frequently asked questions
- What is Courtney Cheng-Mack's NPI number?
- Courtney Cheng-Mack's National Provider Identifier (NPI) is 1720730369, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Courtney Cheng-Mack's specialty?
- Courtney Cheng-Mack is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Courtney Cheng-Mack located?
- Courtney Cheng-Mack's practice location on file with NPPES is 1466 Lincoln Ave, San Rafael, CA 94901-2021.
- What is Courtney Cheng-Mack's phone number?
- The practice phone number listed in the NPPES registry for Courtney Cheng-Mack is (415) 457-3755.
- Is Courtney Cheng-Mack's NPI active?
- Yes — Courtney Cheng-Mack's NPI (1720730369) is active in the NPPES registry as of the last update on 2025-12-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.