IndividualActive
Mark Mengchao Liang
NPI 1821712571 · Behavior Technician · San Francisco, CA
Mark Mengchao Liang is a Behavior Technician provider in San Francisco, CA (NPI 1821712571).
Provider details
- NPI number
- 1821712571
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
44 Gough St Ste 210
San Francisco, CA 94103-5424
Phone: (415) 829-7323
Street-level locationGet directions
Mailing address
44 Gough St Ste 210
San Francisco, CA 94103-5424
Registry dates
- Enumerated
- 2022-09-27
- Last updated
- 2022-09-27
- Certified
- 2022-09-27
Frequently asked questions
- What is Mark Mengchao Liang's NPI number?
- Mark Mengchao Liang's National Provider Identifier (NPI) is 1821712571, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Mengchao Liang's specialty?
- Mark Mengchao Liang is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Mark Mengchao Liang located?
- Mark Mengchao Liang's practice location on file with NPPES is 44 Gough St Ste 210, San Francisco, CA 94103-5424.
- What is Mark Mengchao Liang's phone number?
- The practice phone number listed in the NPPES registry for Mark Mengchao Liang is (415) 829-7323.
- Is Mark Mengchao Liang's NPI active?
- Yes — Mark Mengchao Liang's NPI (1821712571) is active in the NPPES registry as of the last update on 2022-09-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.