DR. YIH JEN KOK M.D.
NPI 1518928829
Internal Medicine - Cardiovascular Disease in San Gabriel, CA

Active since March 29, 2006PECOS EnrolledAccepts Medicare Assignment
506 W VALLEY BLVD, SAN GABRIEL, CA 91776(626) 308-3800(626) 308-1899 Get Directions Write a Review

NPPES record last updated: May 7, 2008. Verified against the NPPES registry weekly; last sync: August 23, 2026.

About Dr. Yih Jen Kok M.d. NPPES

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

DR. YIH JEN KOK M.D. (NPI 1518928829) is an individual cardiovascular disease provider in San Gabriel, California, licensed in California (A71806) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1518928829
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. YIH JEN KOKCredential: M.D.
Location Address506 W VALLEY BLVDSan Gabriel, CA 91776-3731
Mailing Address506 W Valley BlvdSan Gabriel, CA 91776-3731 · (626) 308-3800 · Fax (626) 308-1899
Fax(626) 308-1899
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateMarch 29, 2006
Last NPPES UpdateMay 7, 2008
NPI 1518928829 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in CA · A71806
Definition
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.
506 W VALLEY BLVD, San Gabriel, CA 91776

Other Identifiers 6

Medicaid00A718060CA
OtherRHC148914CA · Flouro/xray Supervisor
Other00A718060CA · Blue Shield Of Ca
Medicare UPINH50678CA
Medicare PINWA71806ACA
Other11549078CA · Caqh

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. Yih Jen Kok M.d. 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 ID5395754394
PECOS Enrollment IDI20060419000828
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 65

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.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967
Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.
15,216 services171 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
1,034 services618 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
854 services820 patients
Injection, regadenoson, 0.1 mg J2785
Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.
836 services550 patients
X-ray of chest, 2 views 71046
A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.
636 services605 patients
Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015
An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.
605 services598 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91776 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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 7

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

Nurse Practitioner (Family)
506 W VALLEY BLVD
SAN GABRIEL, CA 91776
Internal Medicine (Interventional Cardiology)
506 W VALLEY BLVD, SUITE 300
SAN GABRIEL, CA 91776
Internal Medicine
506 W VALLEY BLVD
SAN GABRIEL, CA 91776
Internal Medicine (Cardiovascular Disease)
506 W VALLEY BLVD
SAN GABRIEL, CA 91776
Physician Assistant
506 W VALLEY BLVD, SUITE 100
SAN GABRIEL, CA 91776
Nurse Practitioner
506 W VALLEY BLVD
SAN GABRIEL, CA 91776
Internal Medicine (Cardiovascular Disease)
506 W VALLEY BLVD
SAN GABRIEL, CA 91776

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 Yih Kok's NPI number?

The NPI number for Yih Kok is 1518928829. It was assigned to this individual provider in the NPPES registry on March 29, 2006.

Where is Yih Kok located?

Yih Kok practices at 506 W Valley Blvd, San Gabriel, CA 91776. The listed phone number is (626) 308-3800.

What is Yih Kok's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Yih Kok enrolled in Medicare?

Yes. Yih Kok 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 Yih Kok was last updated on May 7, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.