GEOFFREY YOON M.D.
NPI 1023298353
Internal Medicine - Advanced Heart Failure and Transplant Cardiology in Mountain View, CA

Active since November 03, 2007PECOS EnrolledAccepts Medicare Assignment
701 E EL CAMINO REAL, MOUNTAIN VIEW, CA 94040(650) 404-8300 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 29, 2021, Mar 25, 2020, Jun 6, 2019 (3 updates tracked since 2019).

About Geoffrey Yoon M.d. NPPES

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

GEOFFREY YOON M.D. (NPI 1023298353) is an individual advanced heart failure and transplant cardiology provider in Mountain View, California, licensed in California (A105364) and active in the NPI registry since November 2007. He is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (2007).

NPPES Registry Identity

NPI1023298353
Entity TypeIndividualMale
Primary Taxonomy207RA0001X
Provider Legal NameGEOFFREY YOONCredential: M.D.
Location Address701 E EL CAMINO REALMountain View, CA 94040-2833
Mailing Address393 E Walnut St, Fl 3Pasadena, CA 91188-0001 · (650) 404-8300
Sole ProprietorNo
Medical School CMSJohns Hopkins University School Of MedicineGraduated 2007
Enumeration DateNovember 3, 2007
Last NPPES UpdateNovember 29, 20213 updates tracked since enumeration
NPPES CertifiedMarch 25, 2020
NPI 1023298353 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Advanced Heart Failure and Transplant CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RA0001X
License Licensed in CA · A105364
Definition

Specialists in Advanced Heart Failure and Transplant Cardiology would participate in the inpatient and outpatient management of patients with advanced heart failure across the spectrum from consideration for high-risk cardiac surgery, cardiac transplantation, or mechanical circulatory support, to pre-and post-operative evaluation and management of patients with cardiac transplants and mechanical support devices, and end-of-life care for patients with end-stage heart failure.

Also ListedInternal MedicineTaxonomy 207R00000X · License A105364 (CA)
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License A105364 (CA)
701 E EL CAMINO REAL, Mountain View, CA 94040

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

Geoffrey Yoon 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 ID2860630373
PECOS Enrollment IDI20131111000932
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 94040 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
$156.67 typical visit price
range $70.37 – $206.04
Typical copayment $39.16 (range $17.59 – $51.51)
Most-billed visit code 99204
Established Patient
$121.77 typical visit price
range $23.96 – $169.60
Typical copayment $30.44 (range $5.99 – $42.40)
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.

Allergy & Immunology (Allergy)
701 E EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Family Medicine
701 E EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Radiology (Diagnostic Radiology)
701 E EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Psychiatry & Neurology (Neurology)
701 E EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Anesthesiology
701 E EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Dietitian, Registered
701 E EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Emergency Medicine (Sports Medicine)
701 E EL CAMINO REAL
MOUNTAIN VIEW, CA 94040
Physician Assistant
701 E EL CAMINO REAL
MOUNTAIN VIEW, CA 94040

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 Geoffrey Yoon's NPI number?

The NPI number for Geoffrey Yoon is 1023298353. It was assigned to this individual provider in the NPPES registry on November 3, 2007.

Where is Geoffrey Yoon located?

Geoffrey Yoon practices at 701 E El Camino Real, Mountain View, CA 94040. The listed phone number is (650) 404-8300.

What is Geoffrey Yoon's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Advanced Heart Failure and Transplant Cardiology, with taxonomy code 207RA0001X.

Is Geoffrey Yoon enrolled in Medicare?

Yes. Geoffrey Yoon 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 Geoffrey Yoon was last updated on November 29, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.