IndividualActive
Karen Ma
NPI 1477233781 · Marriage & Family Therapist · Pasadena, CA
Karen Ma is a Marriage & Family Therapist provider in Pasadena, CA (NPI 1477233781).
Provider details
- NPI number
- 1477233781
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 141016 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
450 S Marengo Ave
Pasadena, CA 91101-3113
Phone: (213) 792-2911
Street-level locationGet directions
Mailing address
918 S Serrano Ave
Los Angeles, CA 90006-1108
Additional practice locations (1)
- 918 S Serrano AveLos Angeles, CA 90006-1108Phone: (213) 550-6458
Registry dates
- Enumerated
- 2023-07-20
- Last updated
- 2025-11-11
- Certified
- 2025-11-11
Frequently asked questions
- What is Karen Ma's NPI number?
- Karen Ma's National Provider Identifier (NPI) is 1477233781, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Ma's specialty?
- Karen Ma is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Karen Ma located?
- Karen Ma's practice location on file with NPPES is 450 S Marengo Ave, Pasadena, CA 91101-3113.
- What is Karen Ma's phone number?
- The practice phone number listed in the NPPES registry for Karen Ma is (213) 792-2911.
- Is Karen Ma's NPI active?
- Yes — Karen Ma's NPI (1477233781) is active in the NPPES registry as of the last update on 2025-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.