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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

PATRICK LIANG PMHNP
NPI 1518756725
Nurse Practitioner - Psychiatric/Mental Health in San Rafael, CA

Active since May 05, 2025PECOS Enrolled
800 A ST, SAN RAFAEL, CA 94901(415) 457-8182(415) 457-7020 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Sep 1, 2026, Jul 29, 2026, Apr 3, 2026 and 2 more (5 updates tracked since 2025).

About Patrick Liang Pmhnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PATRICK LIANG PMHNP (NPI 1518756725) is an individual psychiatric/mental health provider in San Rafael, California, licensed in California (95037719) and active in the NPI registry since May 2025. He is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (2025).

NPPES Registry Identity

NPI1518756725
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NamePATRICK LIANGCredential: PMHNP
Location Address800 A STSan Rafael, CA 94901-3011
Mailing AddressPo Box 3517San Rafael, CA 94912-3517 · (415) 457-8182 · Fax (415) 457-7471
Phone(415) 457-8182
Fax(415) 457-7020
Sole ProprietorYes
Medical School CMSVanderbilt University School Of MedicineGraduated 2025
Enumeration DateMay 5, 2025
Last NPPES UpdateSeptember 1, 20265 updates tracked since enumeration
NPPES CertifiedSeptember 1, 2026
✔ NPI 1518756725 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in CA · 95037719
Also ListedRegistered NurseTaxonomy 163W00000X · License 281471 (TN)
800 A ST, San Rafael, CA 94901
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Patrick Liang Pmhnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476022146
PECOS Enrollment IDI20260512003780
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94901 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$104.67 typical visit price
range $69.07 – $202.63
Typical copayment $26.16 (range $17.26 – $50.65)
Most-billed visit code 99203
Established Patient
$119.61 typical visit price
range $23.44 – $166.64
Typical copayment $29.90 (range $5.86 – $41.66)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ALYSSA AMBER LAKE
Counselor (Addiction (Substance Use Disorder))
800 A ST
SAN RAFAEL, CA 94901
Marin County (415) 847-8733
SHANNALEAH SHAHEDI MASTERS
Physician Assistant
800 A ST
SAN RAFAEL, CA 94901
Marin County (415) 457-8182
OLIVIA HORAN AGPCNP-C
Nurse Practitioner
800 A ST
SAN RAFAEL, CA 94901
Marin County (415) 457-8182
KELLY MCKOIN PA-C
Physician Assistant
800 A ST
SAN RAFAEL, CA 94901
Marin County (415) 457-8182
AGUSTINA DEL CARRIL
Social Worker (Clinical)
800 A ST
SAN RAFAEL, CA 94901
Marin County (415) 457-8182
RITTER CENTER
Clinic/Center (Federally Qualified Health Center (FQHC))
800 A ST
SAN RAFAEL, CA 94901
Marin County (415) 457-8182
MR. MICHAEL A BEYER LCSW
Social Worker (Clinical)
800 A ST
SAN RAFAEL, CA 94901
Marin County (415) 457-8182
LUCAS MICHAEL GARRISON LCSW
Social Worker (Clinical)
800 A ST
SAN RAFAEL, CA 94901
Marin County (415) 457-8182

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Patrick Liang's NPI number?

The NPI number for Patrick Liang is 1518756725. It was assigned to this individual provider in the NPPES registry on May 5, 2025.

Where is Patrick Liang located?

Patrick Liang practices at 800 A St, San Rafael, CA 94901. The listed phone number is (415) 457-8182.

What is Patrick Liang's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Patrick Liang enrolled in Medicare?

Yes. Patrick Liang is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Patrick Liang was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.