FLORENCE K. LEUNG MD
NPI 1396817110
Internal Medicine in Oakhurst, CA

Q: What is Florence Leung's NPI number?

The NPI number for Florence Leung is 1396817110. It was assigned to this individual provider in the NPPES registry on November 15, 2006. The provider is also known as Florence K.L. Van Gorkom.

Q: What is Florence Leung's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Florence Leung was last updated on January 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since November 15, 2006PECOS Enrolled

40595 WESTLAKE DR, OAKHURST, CA 93644(800) 262-6663 Get Directions Write a Review

NPPES record last updated: January 10, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Florence K. Leung Md NPPES

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

FLORENCE K. LEUNG MD (NPI 1396817110) is an individual internal medicine provider in Oakhurst, California, licensed in California (G76008) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1396817110

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameFLORENCE K. LEUNGCredential: MD

Location Address40595 WESTLAKE DROakhurst, CA 93644-9024

Mailing Address1800 Harrison St Fl 7Oakland, CA 94612-3466 · (510) 625-6262

Phone(800) 262-6663

Sole ProprietorNo

Enumeration DateNovember 15, 2006

Last NPPES UpdateJanuary 10, 2022

✔ NPI 1396817110 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 · G76008

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.

40595 WESTLAKE DR, Oakhurst, CA 93644

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Other Names 1

Other Name (5)Florence K.l. Van Gorkom

Other Identifiers 1

Medicaid00G760080CA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Florence K. Leung 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.

Medicare Billing Reassignment

Medicare enrollment records show Florence Leung reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Permanente Medical Group Inc

101 mi

Internal Medicine

7373 WEST LANE
Stockton, CA 95210

Reassigned Medicare billing, California enrollment
20,078 clinicians in this Medicare group

NPI 1548343510 (209) 476-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 93644 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

$133.94 typical visit price

range $58.87 – $176.60

Typical copayment $33.48 (range $14.71 – $44.15)

Most-billed visit code 99204

Established Patient

$103.36 typical visit price

range $19.28 – $144.60

Typical copayment $25.84 (range $4.82 – $36.15)

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 5

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

COLLEEN O'NEIL-TENNANT MD

Family Medicine (Adult Medicine)