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MR. JAMES WAH WONG MD
NPI 1801811955
Internal Medicine - Critical Care Medicine in Pasadena, CA

Active since July 12, 2006PECOS Enrolled
50 BELLEFONTAINE ST, 206, PASADENA, CA 91105(626) 578-7557 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. James Wah Wong Md NPPES

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

MR. JAMES WAH WONG MD (NPI 1801811955) is an individual critical care medicine provider in Pasadena, California, licensed in California (A22857) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801811955
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameMR. JAMES WAH WONGCredential: MD
Location Address50 BELLEFONTAINE ST, 206Pasadena, CA 91105-3132
Mailing Address1455 Rutherford DrPasadena, CA 91103-2776 · (626) 449-8529
Phone(626) 578-7557
Sole ProprietorYes
Enumeration DateJuly 12, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1801811955 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in CA · A22857
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License A22857 (CA)

Other Identifiers 1

Medicaid00A228570CA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. James Wah Wong 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91105 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

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.

FAIRMONT PHARMACY LLC
Pharmacy (Community/Retail Pharmacy)
50 BELLEFONTAINE ST, STE 103
PASADENA, CA 91105
Los Angeles County (626) 793-1188
LORI J. WYNSTOCK, M.D.
Internal Medicine
50 BELLEFONTAINE ST, #203
PASADENA, CA 91105
Los Angeles County (626) 793-6113
RALPH B. MARTIN, M.D., INC.
Internal Medicine
50 BELLEFONTAINE ST, SUITE 205
PASADENA, CA 91105
Los Angeles County (626) 792-4115
CHANG ZAIFMAN DENTAL INC
Dentist
50 BELLEFONTAINE ST, SUITE 102
PASADENA, CA 91105
Los Angeles County (626) 795-8326
MODERN CONCEPTS MEDICAL GROUP
Family Medicine
50 BELLEFONTAINE ST, 404
PASADENA, CA 91105
Los Angeles County (323) 728-6070
ROBERT D LOITZ MD
Pediatrics (Pediatric Cardiology)
50 BELLEFONTAINE ST, SUITE 405
PASADENA, CA 91105
Los Angeles County (626) 796-9259
DR. GERILYNN GUNSALUS OKAMOTO DDS
Dentist
50 BELLEFONTAINE ST, STE 204
PASADENA, CA 91105
Los Angeles County (626) 440-9095
ELIZABETH R DEOLIVEIRA MD
Pediatrics (Pediatric Cardiology)
50 BELLEFONTAINE ST, STE 405
PASADENA, CA 91105
Los Angeles County (626) 796-9259

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 Wong's NPI number?

The NPI number for James Wong is 1801811955. It was assigned to this individual provider in the NPPES registry on July 12, 2006.

Where is James Wong located?

James Wong practices at 50 Bellefontaine St 206, Pasadena, CA 91105. The listed phone number is (626) 578-7557.

What is James Wong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

Is James Wong enrolled in Medicare?

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

When was this NPI record last updated?

The NPPES record for James Wong was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.