YOON SUN SONG
NPI 1508264136
Nurse Practitioner in Sunnyvale, CA

Active since December 13, 2014PECOS Enrolled
301 OLD SAN FRANCISCO RD, SUNNYVALE, CA 94086(408) 730-4360 Get Directions Write a Review

NPPES record last updated: June 8, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Yoon Sun Song NPPES

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

YOON SUN SONG (NPI 1508264136) is an individual nurse practitioner in Sunnyvale, California, licensed in California (95001730) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1508264136
Entity TypeIndividualFemale
Primary Taxonomy363L00000X
Provider Legal NameYOON SUN SONG
Location Address301 OLD SAN FRANCISCO RDSunnyvale, CA 94086-6386
Mailing Address325 Distel CirLos Altos, CA 94022-1408 · (408) 730-4360
Sole ProprietorNo
Enumeration DateDecember 13, 2014
Last NPPES UpdateJune 8, 2020
NPPES CertifiedJune 8, 2020
✔ NPI 1508264136 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363L00000X
License✔ Licensed in CA · 95001730
Definition
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
301 OLD SAN FRANCISCO RD, Sunnyvale, CA 94086

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yoon Sun Song is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignment

Medicare enrollment records show Yoon Sun Song reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Federally Qualified Health Center (FQHC)
660 S FAIR OAKS AVE
Sunnyvale, CA 94086
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1588721500 (California), NPI 1629301346 (California)
  • 2,460 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94086 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
$106.47 typical visit price
range $70.37 – $206.04
Typical copayment $26.61 (range $17.59 – $51.51)
Most-billed visit code 99203
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.

Referred Medical Equipment & Supplies CMS DME claims

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

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
2 suppliers69 claims69 services$189.65 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 20

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

Internal Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Family Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Internal Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Nurse Practitioner
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Family Medicine
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Social Worker (Clinical)
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Physical Therapist
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086
Nurse Practitioner (Family)
301 OLD SAN FRANCISCO RD
SUNNYVALE, CA 94086

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 Sun Song's NPI number?

The NPI number for Yoon Sun Song is 1508264136. It was assigned to this individual provider in the NPPES registry on December 13, 2014.

Where is Yoon Sun Song located?

Yoon Sun Song practices at 301 Old San Francisco Rd, Sunnyvale, CA 94086. The listed phone number is (408) 730-4360.

What is Yoon Sun Song's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Yoon Sun Song enrolled in Medicare?

Yes. Yoon Sun Song is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Yoon Sun Song's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Yoon Sun Song reassigns Medicare benefits to County Of Santa Clara (Sunnyvale, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Yoon Sun Song's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Yoon Sun Song was last updated on June 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.