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

DIANE MARIE LIBERT BS, MPHIL, MD
NPI 1124654116
Pathology - Anatomic Pathology & Clinical Pathology in South San Francisco, CA

Active since March 21, 2020PECOS Enrolled
383 E GRAND AVE STE A, SOUTH SAN FRANCISCO, CA 94080(650) 616-2951 Get Directions Write a Review

NPPES record last updated: August 2, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Aug 2, 2026, Mar 21, 2020 (2 updates tracked since 2020).

About Diane Marie Libert Bs, Mphil, Md NPPES

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

DIANE MARIE LIBERT BS, MPHIL, MD (NPI 1124654116) is an individual anatomic pathology & clinical pathology provider in South San Francisco, California, licensed in California (A184273) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1124654116
Entity TypeIndividualFemale
Primary Taxonomy207ZP0102X
Provider Legal NameDIANE MARIE LIBERTCredential: BS, MPHIL, MD
Location Address383 E GRAND AVE STE ASouth San Francisco, CA 94080-6234
Mailing Address383 E Grand Ave Ste ASouth San Francisco, CA 94080-6234 · (650) 616-2951 · Fax (650) 737-8920
Sole ProprietorNo
Enumeration DateMarch 21, 2020
Last NPPES UpdateAugust 2, 20262 updates tracked since enumeration
NPPES CertifiedAugust 2, 2026
NPI 1124654116 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPathology · Anatomic Pathology & Clinical PathologyAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0102X
License Licensed in CA · A184273
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedPathology · CytopathologyTaxonomy 207ZC0500X · License A184273 (CA)
383 E GRAND AVE STE A, South San Francisco, CA 94080

Secondary Practice Locations 2

Location 1170 Alameda De Las PulgasRedwood City, CA 94062-2751 · Phone (650) 369-5811
Location 22500 Grant RdMountain View, CA 94040-4302 · Phone (650) 940-7000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Diane Marie Libert Bs, Mphil, 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 94080 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 2

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

Pathology (Clinical Pathology/Laboratory Medicine)
383 E GRAND AVE STE A
SOUTH SAN FRANCISCO, CA 94080
Pathology (Anatomic Pathology & Clinical Pathology)
383 E GRAND AVE STE A
SOUTH SAN FRANCISCO, CA 94080

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 Diane Libert's NPI number?

The NPI number for Diane Libert is 1124654116. It was assigned to this individual provider in the NPPES registry on March 21, 2020.

Where is Diane Libert located?

Diane Libert practices at 383 E Grand Ave Ste A, South San Francisco, CA 94080. The listed phone number is (650) 616-2951.

What is Diane Libert's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Anatomic Pathology & Clinical Pathology, with taxonomy code 207ZP0102X.

Is Diane Libert enrolled in Medicare?

Yes. Diane Libert is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Diane Libert was last updated on August 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 51 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.