DR. JOHN CHAN MD
NPI 1841503125
Internal Medicine in Torrance, CA

Q: What is John Chan's NPI number?

The NPI number for John Chan is 1841503125. It was assigned to this individual provider in the NPPES registry on July 15, 2010.

Q: What is John Chan's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for John Chan was last updated on December 7, 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.

Active since July 15, 2010PECOS Enrolled

3330 LOMITA BLVD, TORRANCE, CA 90505(310) 214-0811 Get Directions Write a Review

NPPES record last updated: December 7, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. John Chan Md NPPES

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

DR. JOHN CHAN MD (NPI 1841503125) is an individual internal medicine provider in Torrance, California, licensed in California (A121533) and active in the NPI registry since July 2010. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841503125

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. JOHN CHANCredential: MD

Location Address3330 LOMITA BLVDTorrance, CA 90505-5002

Mailing AddressPo Box 35380Las Vegas, NV 89133-5380 · (702) 579-3203

Phone(310) 214-0811

Sole ProprietorNo

Enumeration DateJuly 15, 2010

Last NPPES UpdateDecember 7, 2025

NPPES CertifiedDecember 7, 2025

✔ NPI 1841503125 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 · A121533

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.

3330 LOMITA BLVD, Torrance, CA 90505

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. John Chan 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.

Areas of Expertise CMS Part B claims

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

35 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90505 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.

DANEEN ANN LARECY MSW, LCSW

Social Worker (Clinical)