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DR. GREGORY FRANCIS LUM M.D.
NPI 1366554537
Pediatrics in Los Gatos, CA

Active since August 31, 2006PECOS EnrolledCLIA 05D2045840 · Waiver
15000 LOS GATOS BLVD STE 3, LOS GATOS, CA 95032(408) 370-2324(408) 370-2385 Get Directions Write a Review

NPPES record last updated: January 6, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 6, 2023, Jun 27, 2016 (2 updates tracked since 2016).

About Dr. Gregory Francis Lum M.d. NPPES

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

DR. GREGORY FRANCIS LUM M.D. (NPI 1366554537) is an individual pediatrics provider in Los Gatos, California, licensed in California (G 78511) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, holds a CLIA Waiver certificate valid through August 20, 2026, and maintains a secondary practice location in Palo Alto.

NPPES Registry Identity

NPI1366554537
Entity TypeIndividualMale
Primary Taxonomy208000000X
Provider Legal NameDR. GREGORY FRANCIS LUMCredential: M.D.
Location Address15000 LOS GATOS BLVD STE 3Los Gatos, CA 95032-2017
Mailing AddressPo Box 320925Los Gatos, CA 95032-0115 · (408) 370-2324
Phone(408) 370-2324
Fax(408) 370-2385
Sole ProprietorYes
Enumeration DateAugust 31, 2006
Last NPPES UpdateJanuary 6, 20232 updates tracked since enumeration
NPPES CertifiedJanuary 6, 2023
✔ NPI 1366554537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · G 78511
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
15000 LOS GATOS BLVD STE 3, Los Gatos, CA 95032
Open in Google Maps ↗

Secondary Practice Location 1

Location 1725 Welch RdPalo Alto, CA 94304-1601 · Phone (650) 497-8000

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Francis Lum M.d. 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.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2045840

Dr Gregory Lum MD · Los Gatos, CA
Active · expires Aug 20, 2026
CLIA Number05D2045840
Laboratory TypePhysician Office
Certificate Effective DateAugust 21, 2024
Certificate Expiration DateAugust 20, 2026
Laboratory DirectorGregory F. Lum
Laboratory Phone(408) 370-2324
Laboratory LocationDr Gregory Lum MD700 W Parr Ave Ste A-1, Los Gatos, CA 95032
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95032 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

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 Gregory Lum's NPI number?

The NPI number for Gregory Lum is 1366554537. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Gregory Lum located?

Gregory Lum practices at 15000 Los Gatos Blvd Ste 3, Los Gatos, CA 95032. The listed phone number is (408) 370-2324.

What is Gregory Lum's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Gregory Lum enrolled in Medicare?

Yes. Gregory Lum is registered in the Medicare PECOS enrollment system.

Does Gregory Lum hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2045840) is associated with this NPI, valid through August 20, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Gregory Lum was last updated on January 6, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.