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WONSICK CHOE
NPI 1689070690
General Practice in Walnut, CA

Active since November 18, 2014PECOS EnrolledAccepts Medicare Assignment
20627 GOLDEN SPRINGS DR STE 1B, WALNUT, CA 91789(909) 480-0200(909) 480-0201 Get Directions Write a Review

NPPES record last updated: January 5, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 5, 2026, Nov 20, 2025 (2 updates tracked since 2025).

About Wonsick Choe NPPES

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

WONSICK CHOE (NPI 1689070690) is an individual general practice provider in Walnut, California, licensed in California (C42362) and active in the NPI registry since November 2014. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1689070690
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameWONSICK CHOE
Location Address20627 GOLDEN SPRINGS DR STE 1BWalnut, CA 91789-4815
Mailing AddressPo Box 32039Los Angeles, CA 90032-0039 · (323) 517-1274 · Fax (323) 612-6297
Phone(909) 480-0200
Fax(909) 480-0201
Sole ProprietorYes
Medical School CMSOtherGraduated 1997
Enumeration DateNovember 18, 2014
Last NPPES UpdateJanuary 5, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 5, 2026
✔ NPI 1689070690 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CA · C42362
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
Also ListedNuclear MedicineTaxonomy 207U00000X · License C42362 (CA)
20627 GOLDEN SPRINGS DR STE 1B, Walnut, CA 91789
Open in Google Maps ↗

Secondary Practice Locations 2

Location 111637 The Plz Unit 45Norwalk, CA 90650-3930 · Phone (562) 809-0142 · Fax (562) 809-2672
Location 2115 N Colonial DrHarrington Park, NJ 07640-1063 · Phone (718) 594-5868

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

Wonsick Choe 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 ID1658663281
PECOS Enrollment IDI20170601001041
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.

Blood glucose (sugar) test performed by hand-held instrument 82962
A blood glucose test uses a handheld device to measure the amount of sugar in your blood. A small prick on your finger allows a drop of blood to be placed on a test strip, which is then read by the device. This helps monitor and manage diabetes effectively.
14 services13 patients

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers23 claims37 services$2.50 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$81.25 avg. paid by Medicare
Albuterol, inhalation solution, fda-approved final product, non-compounded, administered through dme, unit dose, 1 mg J7613
DME-Drugs Administered Through DME · category DG006N
2 suppliers16 claims4,743 services$0.03 avg. paid by Medicare
Pharmacy dispensing fee for inhalation drug(s); per 30 days Q0513
DME-Other DME · category DE000N
4 suppliers21 claims21 services$24.85 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

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

DR. JANE KONG M.D.
Family Medicine
20627 GOLDEN SPRINGS DR STE 1B
DIAMOND BAR, CA 91789
Los Angeles County (909) 480-0200

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 Wonsick Choe's NPI number?

The NPI number for Wonsick Choe is 1689070690. It was assigned to this individual provider in the NPPES registry on November 18, 2014.

Where is Wonsick Choe located?

Wonsick Choe practices at 20627 Golden Springs Dr Ste 1B, Walnut, CA 91789. The listed phone number is (909) 480-0200.

What is Wonsick Choe's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

Is Wonsick Choe enrolled in Medicare?

Yes. Wonsick Choe 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 Wonsick Choe was last updated on January 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.