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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.

MANDI LIU MD
NPI 1619652633
Internal Medicine in San Francisco, CA

Active since June 19, 2023PECOS Enrolled
1100 VAN NESS AVE FL 6, SAN FRANCISCO, CA 94109(415) 600-6000 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 28, 2026, Jun 19, 2023 (2 updates tracked since 2023).

About Mandi Liu Md NPPES

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

MANDI LIU MD (NPI 1619652633) is an individual internal medicine provider in San Francisco, California, licensed in California (A209047) and active in the NPI registry since June 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1619652633
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameMANDI LIUCredential: MD
Location Address1100 VAN NESS AVE FL 6San Francisco, CA 94109-6978
Mailing Address1100 Van Ness Ave Fl 6San Francisco, CA 94109-6978 · (415) 600-6000
Phone(415) 600-6000
Sole ProprietorNo
Enumeration DateJune 19, 2023
Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1619652633 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A209047
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1100 VAN NESS AVE FL 6, San Francisco, CA 94109
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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)

Mandi Liu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 94109 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
$153.83 typical visit price
range $69.00 – $202.35
Typical copayment $38.45 (range $17.25 – $50.58)
Most-billed visit code 99204
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
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 20

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

BROOKE NYSTROM OTR/L, MOT
Occupational Therapist
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-3604
SONG JULIA KIM M.D.
Psychiatry & Neurology (Vascular Neurology)
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-5760
DR. SUSAN MICHELLE TIBUNI-SANDERS MD
Internal Medicine (Endocrinology, Diabetes & Metabolism)
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-0110
ANDREW MARISTELA ESCOBAR MD
Internal Medicine
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-5760
DAVID C TONG MD
Psychiatry & Neurology (Neurology)
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-5760
DR. MARIEL VELEZ M.D. PH.D.
Psychiatry & Neurology (Neurology)
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-7880
DEANNE KENNEDY LOUBE MD
Psychiatry & Neurology (Vascular Neurology)
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (415) 600-5760
ASHLEY WU PA-C
Physician Assistant
1100 VAN NESS AVE FL 6
SAN FRANCISCO, CA 94109
San Francisco County (858) 345-0197

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 Mandi Liu's NPI number?

The NPI number for Mandi Liu is 1619652633. It was assigned to this individual provider in the NPPES registry on June 19, 2023.

Where is Mandi Liu located?

Mandi Liu practices at 1100 Van Ness Ave Fl 6, San Francisco, CA 94109. The listed phone number is (415) 600-6000.

What is Mandi Liu's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Mandi Liu enrolled in Medicare?

Yes. Mandi Liu is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mandi Liu was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.