ALEXANDER ANDREW TONG
NPI 1356804926
Internal Medicine - Medical Oncology in San Diego, CA

Active since April 10, 2019PECOS Enrolled
200 W ARBOR DR, SAN DIEGO, CA 92103(800) 926-8273(888) 539-8781 Get Directions Write a Review

NPPES record last updated: May 12, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 12, 2026, Sep 22, 2022, Apr 10, 2019 (3 updates tracked since 2019).

About Alexander Andrew Tong NPPES

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

ALEXANDER ANDREW TONG (NPI 1356804926) is an individual medical oncology provider in San Diego, California, licensed in California (177987) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1356804926
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameALEXANDER ANDREW TONG
Location Address200 W ARBOR DRSan Diego, CA 92103-9000
Mailing AddressFile 57326Los Angeles, CA 90074-7326 · (800) 926-8273
Fax(888) 539-8781
Sole ProprietorNo
Enumeration DateApril 10, 2019
Last NPPES UpdateMay 12, 20263 updates tracked since enumeration
NPPES CertifiedMay 12, 2026
NPI 1356804926 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License Licensed in CA · 177987
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedHospitalistTaxonomy 208M00000X · License A177987 (CA)
200 W ARBOR DR, San Diego, CA 92103

Secondary Practice Locations 2

Location 13855 Health Sciences DrLA Jolla, CA 92093-1503 · Phone (800) 926-8273 · Fax (888) 539-8781
Location 29300 Campus Point DrLA Jolla, CA 92037-1300 · Phone (800) 926-8273 · Fax (888) 539-8781

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Alexander Andrew Tong 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 92103 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
$184.71 typical visit price
range $62.10 – $184.71
Typical copayment $46.17 (range $15.52 – $46.17)
Most-billed visit code 99205
Established Patient
$108.42 typical visit price
range $20.62 – $151.42
Typical copayment $27.10 (range $5.15 – $37.85)
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.

Internal Medicine (Geriatric Medicine)
200 W ARBOR DR
SAN DIEGO, CA 92103
Hospice, Inpatient
200 W ARBOR DR
SAN DIEGO, CA 92103
Anesthesiology
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner (Psychiatric/Mental Health)
200 W ARBOR DR
SAN DIEGO, CA 92103
Nurse Practitioner
200 W ARBOR DR
SAN DIEGO, CA 92103
Student in an Organized Health Care Education/Training Program
200 W ARBOR DR
SAN DIEGO, CA 92103
Physician Assistant (Surgical)
200 W ARBOR DR
SAN DIEGO, CA 92103

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 Alexander Tong's NPI number?

The NPI number for Alexander Tong is 1356804926. It was assigned to this individual provider in the NPPES registry on April 10, 2019.

Where is Alexander Tong located?

Alexander Tong practices at 200 W Arbor Dr, San Diego, CA 92103. The listed phone number is (800) 926-8273.

What is Alexander Tong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Alexander Tong enrolled in Medicare?

Yes. Alexander Tong is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Alexander Tong was last updated on May 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.