JOHNSON ONG DO
NPI 1568045508
Internal Medicine - Rheumatology in Loma Linda, CA

Q: What is Johnson Ong's NPI number?

The NPI number for Johnson Ong is 1568045508. It was assigned to this individual provider in the NPPES registry on April 28, 2021.

Q: What is Johnson Ong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for Johnson Ong was last updated on July 27, 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.

Active since April 28, 2021PECOS EnrolledAccepts Medicare Assignment

11370 ANDERSON ST # 3650, LOMA LINDA, CA 92354(909) 558-2860 Get Directions Write a Review

NPPES record last updated: July 27, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

Record update history: Jul 27, 2026, Apr 28, 2021 (2 updates tracked since 2021).

On this page

About Johnson Ong Do NPPES

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

JOHNSON ONG DO (NPI 1568045508) is an individual rheumatology provider in Loma Linda, California, licensed in California (20A22465) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Ventura, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1568045508

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameJOHNSON ONGCredential: DO

Location Address11370 ANDERSON ST # 3650Loma Linda, CA 92354-3450

Mailing Address11234 Anderson St # 1519Loma Linda, CA 92350-1716 · (909) 558-4884

Phone(909) 558-2860

Sole ProprietorYes

Medical School CMSOtherGraduated 2021

Enumeration DateApril 28, 2021

Last NPPES UpdateJuly 27, 20262 updates tracked since enumeration

NPPES CertifiedJuly 27, 2026

✔ NPI 1568045508 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

License✔ Licensed in CA · 20A22465

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

11370 ANDERSON ST # 3650, Loma Linda, CA 92354

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Secondary Practice Location 1

Location 1147 N Brent StVentura, CA 93003-2854 · Phone (805) 948-5672

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

Johnson Ong Do 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 ID1759853666

PECOS Enrollment IDI20260611002517

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 92354 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

$136.04 typical visit price

range $59.60 – $179.42

Typical copayment $34.01 (range $14.90 – $44.85)

Most-billed visit code 99204

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

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 Johnson Ong's NPI number?

The NPI number for Johnson Ong is 1568045508. It was assigned to this individual provider in the NPPES registry on April 28, 2021.

Where is Johnson Ong located?

Johnson Ong practices at 11370 Anderson St # 3650, Loma Linda, CA 92354. The listed phone number is (909) 558-2860.

What is Johnson Ong's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Johnson Ong enrolled in Medicare?

Yes. Johnson Ong 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 Johnson Ong was last updated on July 27, 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.