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DR. JAMES EN-CHEH TONG MD
NPI 1306052667
Pediatrics - Pediatric Nephrology in San Francisco, CA

Active since May 15, 2007PECOS Enrolled
533 PARNASSUS AVE # U-585, SAN FRANCISCO, CA 94143(415) 476-2423(415) 476-9976 Get Directions Write a Review

NPPES record last updated: October 14, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. James En-cheh Tong Md NPPES

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

DR. JAMES EN-CHEH TONG MD (NPI 1306052667) is an individual pediatric nephrology provider in San Francisco, California, licensed in California (A91235) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1306052667
Entity TypeIndividualMale
Primary Taxonomy2080P0210X
Provider Legal NameDR. JAMES EN-CHEH TONGCredential: MD
Location Address533 PARNASSUS AVE # U-585San Francisco, CA 94143-2208
Mailing Address1452 Bush St Unit 8San Francisco, CA 94109-5568 · (415) 518-4808
Phone(415) 476-2423
Fax(415) 476-9976
Sole ProprietorYes
Enumeration DateMay 15, 2007
Last NPPES UpdateOctober 14, 2021
NPPES CertifiedOctober 14, 2021
✔ NPI 1306052667 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0210X
License✔ Licensed in CA · A91235
Definition
A pediatrician who deals with the normal and abnormal development and maturation of the kidney and urinary tract, the mechanisms by which the kidney can be damaged, the evaluation and treatment of renal diseases, fluid and electrolyte abnormalities, hypertension and renal replacement therapy.
533 PARNASSUS AVE # U-585, San Francisco, CA 94143
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. James En-cheh Tong 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 Reassignments

2

Medicare enrollment records show James Tong reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group
248 mi
Health Maintenance Organization
9100 ROSEDALE HWY
Bakersfield, CA 93312
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1275756652 (California)
  • 5,228 clinicians in this Medicare group
NPI 1316572753 (877) 608-0044
Hawaii Permanente Medical Group Inc
2,394 mi
Health Maintenance Organization
3288 MOANALUA RD
Honolulu, HI 96819
  • Reassigned Medicare billing, Hawaii enrollment
  • 1,187 clinicians in this Medicare group
NPI 1710945969 (808) 432-0000

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

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 James Tong's NPI number?

The NPI number for James Tong is 1306052667. It was assigned to this individual provider in the NPPES registry on May 15, 2007.

Where is James Tong located?

James Tong practices at 533 Parnassus Ave # U-585, San Francisco, CA 94143. The listed phone number is (415) 476-2423.

What is James Tong's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Nephrology, with taxonomy code 2080P0210X.

Is James Tong enrolled in Medicare?

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

Which organizations bill Medicare for James Tong's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Tong reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Bakersfield, CA) and Hawaii Permanente Medical Group Inc (Honolulu, HI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for James Tong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for James Tong was last updated on October 14, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.