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YOON YOUNG KO DO
NPI 1396304457
Family Medicine in Tracy, CA

Active since June 11, 2019PECOS EnrolledAccepts Medicare Assignment
599 E VALPICO RD, TRACY, CA 95376(209) 830-4072(209) 454-3191 Get Directions Write a Review

NPPES record last updated: November 4, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Nov 4, 2025, Nov 1, 2022, Oct 13, 2021 and 1 more (4 updates tracked since 2019).

About Yoon Young Ko Do NPPES

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

YOON YOUNG KO DO (NPI 1396304457) is an individual family medicine provider in Tracy, California, licensed in California (20A20130) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Touro Un Col Of Osteopathic Medicine, New York (2019).

NPPES Registry Identity

NPI1396304457
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameYOON YOUNG KOCredential: DO
Location Address599 E VALPICO RDTracy, CA 95376
Mailing AddressPo Box 255228Sacramento, CA 95865-5228 · (800) 470-0071 · Fax (916) 854-6769
Phone(209) 830-4072
Fax(209) 454-3191
Sole ProprietorNo
Medical School CMSTouro Un Col Of Osteopathic Medicine, New YorkGraduated 2019
Enumeration DateJune 11, 2019
Last NPPES UpdateNovember 4, 20254 updates tracked since enumeration
NPPES CertifiedNovember 4, 2025
✔ NPI 1396304457 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in CA · 20A20130✔ Licensed in NJ · 25MB11247200
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
599 E VALPICO RD, Tracy, CA 95376
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Secondary Practice Locations 2

Location 142 E Laurel Rd Ste 2100AStratford, NJ 08084-1354 · Phone (856) 566-6477
Location 2705 Haddonfield Berlin RdVoorhees, NJ 08043-3714 · Phone (856) 679-0537

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

Yoon Young Ko 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 ID2860880184
PECOS Enrollment IDI20221010001658
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 95376 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
$90.32 typical visit price
range $58.87 – $176.60
Typical copayment $22.58 (range $14.71 – $44.15)
Most-billed visit code 99203
Established Patient
$103.36 typical visit price
range $19.28 – $144.60
Typical copayment $25.84 (range $4.82 – $36.15)
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 2

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

SUTTER VALLEY MEDICAL FOUNDATION
Durable Medical Equipment & Medical Supplies
599 E VALPICO RD
TRACY, CA 95376
San Joaquin County (209) 830-4072
PEARL CHAN MD
Family Medicine
599 E VALPICO RD
TRACY, CA 95376
San Joaquin County (209) 830-4072

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 Yoon Ko's NPI number?

The NPI number for Yoon Ko is 1396304457. It was assigned to this individual provider in the NPPES registry on June 11, 2019.

Where is Yoon Ko located?

Yoon Ko practices at 599 E Valpico Rd, Tracy, CA 95376. The listed phone number is (209) 830-4072.

What is Yoon Ko's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Yoon Ko enrolled in Medicare?

Yes. Yoon Ko 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 Yoon Ko was last updated on November 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.