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DR. JOHN WONG MD
NPI 1659336402
Internal Medicine in Torrance, CA

Active since April 17, 2006PECOS EnrolledAccepts Medicare Assignment
19601 MARINER AVE, TORRANCE, CA 90503(310) 214-0811 Get Directions Write a Review

NPPES record last updated: December 1, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 1, 2021, Jun 21, 2019 (2 updates tracked since 2019).

About Dr. John Wong Md NPPES

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

DR. JOHN WONG MD (NPI 1659336402) is an individual internal medicine provider in Torrance, California, licensed in California (A51406) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1991).

NPPES Registry Identity

NPI1659336402
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN WONGCredential: MD
Location Address19601 MARINER AVETorrance, CA 90503-1647
Mailing Address393 E Walnut St, Phr Grp Prov Enroll Unit 3rd FlPasadena, CA 91188-0001 · (877) 608-0044 · Fax (877) 514-0903
Phone(310) 214-0811
Sole ProprietorNo
Medical School CMSOtherGraduated 1991
Enumeration DateApril 17, 2006
Last NPPES UpdateDecember 1, 20212 updates tracked since enumeration
✔ NPI 1659336402 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 · A51406
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.
19601 MARINER AVE, Torrance, CA 90503
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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 and accepts Medicare assignment

Dr. John Wong Md 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 ID749279446
PECOS Enrollment IDI20040507001341
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 90503 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 9

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. JANET LEE GALLI CHES
Community Health Worker
19601 MARINER AVE
TORRANCE, CA 90503
Los Angeles County (310) 371-0813
MS. CHERIE WONG MAIER MPH, CHES
Community Health Worker
19601 MARINER AVE
TORRANCE, CA 90503
Los Angeles County (310) 371-0813
MS. JESSICA NICOLE HARRIS R.N.
Registered Nurse (Diabetes Educator)
19601 MARINER AVE
TORRANCE, CA 90503
Los Angeles County (310) 371-0813
MS. MARY E GAEKLE RD, CDE
Dietitian, Registered (Nutrition, Metabolic)
19601 MARINER AVE
TORRANCE, CA 90503
Los Angeles County (310) 371-0813
JENNIFER MARIE CLARK RN, NP (MSN)
Nurse Practitioner (Adult Health)
19601 MARINER AVE
TORRANCE, CA 90503
Los Angeles County (310) 371-0813
DR. JOSEPH GERARD S MARTINEZ MD
General Practice
19601 MARINER AVE
TORRANCE, CA 90503
Los Angeles County (310) 371-0813
DR. BIRGIT SIEKERKOTTE M.D.
Family Medicine
19601 MARINER AVE
TORRANCE, CA 90503
Los Angeles County (310) 354-4200
MRS. NANCY JEANNE INGRAM RD, CDE
Dietitian, Registered (Nutrition, Metabolic)
19601 MARINER AVE
TORRANCE, CA 90503
Los Angeles County (310) 371-0813

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 John Wong's NPI number?

The NPI number for John Wong is 1659336402. It was assigned to this individual provider in the NPPES registry on April 17, 2006.

Where is John Wong located?

John Wong practices at 19601 Mariner Ave, Torrance, CA 90503. The listed phone number is (310) 214-0811.

What is John Wong's specialty?

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

Is John Wong enrolled in Medicare?

Yes. John Wong 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 John Wong was last updated on December 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.