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ERIC LEUNG
NPI 1538745559
Internal Medicine in San Francisco, CA

Active since March 21, 2021PECOS EnrolledAccepts Medicare Assignment
3838 CALIFORNIA ST FL 8, SAN FRANCISCO, CA 94118(415) 600-5400(415) 287-0730 Get Directions Write a Review

NPPES record last updated: November 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Nov 16, 2025, Aug 20, 2021, Mar 26, 2021 and 1 more (4 updates tracked since 2021).

About Eric Leung NPPES

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

ERIC LEUNG (NPI 1538745559) is an individual internal medicine provider in San Francisco, California, licensed in California (A194755) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in San Francisco, and is a graduate of University Of Virginia School Of Medicine (2021).

NPPES Registry Identity

NPI1538745559
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameERIC LEUNG
Location Address3838 CALIFORNIA ST FL 8San Francisco, CA 94118-1522
Mailing AddressPo Box 276950Sacramento, CA 95827-6950 · (415) 600-5400 · Fax (415) 387-0730
Phone(415) 600-5400
Fax(415) 287-0730
Sole ProprietorNo
Medical School CMSUniversity Of Virginia School Of MedicineGraduated 2021
Enumeration DateMarch 21, 2021
Last NPPES UpdateNovember 16, 20254 updates tracked since enumeration
NPPES CertifiedNovember 16, 2025
✔ NPI 1538745559 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 · A194755
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.
3838 CALIFORNIA ST FL 8, San Francisco, CA 94118
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Secondary Practice Location 1

Location 11101 Van Ness Ave Ste 1120San Francisco, CA 94109-6919 · Phone (415) 600-3954

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Eric Leung is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4082149885
PECOS Enrollment IDI20241202003212
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.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
46 services38 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94118 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.

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 Eric Leung's NPI number?

The NPI number for Eric Leung is 1538745559. It was assigned to this individual provider in the NPPES registry on March 21, 2021.

Where is Eric Leung located?

Eric Leung practices at 3838 California St Fl 8, San Francisco, CA 94118. The listed phone number is (415) 600-5400.

What is Eric Leung's specialty?

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

Is Eric Leung enrolled in Medicare?

Yes. Eric Leung is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Eric Leung was last updated on November 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.