Patrick Liang
NPI 1518756725 · Psychiatric/Mental Health Nurse Practitioner · San Rafael, CA
Patrick Liang is a Psychiatric/Mental Health Nurse Practitioner provider in San Rafael, CA (NPI 1518756725).
Provider details
- NPI number
- 1518756725
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 95037719 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-05-05
- Last updated
- 2026-04-03
- Certified
- 2026-04-03
Frequently asked questions
- What is Patrick Liang's NPI number?
- Patrick Liang's National Provider Identifier (NPI) is 1518756725, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Patrick Liang's specialty?
- Patrick Liang is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Patrick Liang located?
- Patrick Liang's practice location on file with NPPES is 16 Ritter St, San Rafael, CA 94901-3323.
- What is Patrick Liang's phone number?
- The practice phone number listed in the NPPES registry for Patrick Liang is (415) 457-8182.
- Is Patrick Liang's NPI active?
- Yes — Patrick Liang's NPI (1518756725) is active in the NPPES registry as of the last update on 2026-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.