NPPES file of Aug 9, 2026

Yoon Sun Song

Nurse Practitioner · Sunnyvale, CA

Yoon Sun Song is a nurse practitioner with a practice address in Sunnyvale, California, and NPI 1508264136, issued on Dec 13, 2014. Check the license (California 95001730, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508264136
Name
Yoon Sun Song
Primary taxonomy
Nurse Practitioner 363L00000X
License number
95001730 CA
Self-reported in NPPES; status is on the state search
Practice location
301 Old San Francisco RD, Sunnyvale, CA 94086
Phone
(408) 730-4360
Enumerated
Dec 13, 2014
Record last updated
Jun 8, 2020 (not updated in 6 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 301 Old San Francisco RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Zubia Ahmad, MDInternal Medicine Physician1265879522
  2. Syed Salman Ali, MDInternal Medicine Physician1740621671
  3. Wafa Aljuneidi, MSN, APRN-NP, FNP-CNurse Practitioner1083583991
  4. Aisha AminInternal Medicine Physician1013440981
  5. Joyce Ang, MDPediatrics Physician1346634698
  6. Lulua Bahrainwala, MD, MSFamily Medicine Physician1568949709

Verify Yoon Sun Song in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 95001730
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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54% fewer Medicare Part D claims than the average nurse practitioner in 2024

511 Medicare Part D claims for 61 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 70% of claims.

  1. Yoon Sun Song511
  2. Specialty average1,109

Most prescribed

  1. Ozempic89 claims
  2. Ultra-Fine Mini Pen Needle45 claims
  3. Trulicity44 claims
  4. Jardiance35 claims
  5. Lantus Solostar32 claims
  6. Metformin Hcl Er31 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $13.47

1 payment: food and beverage; the largest payer was Medtronic, Inc. The 38,884 providers of this specialty with any payment received $791.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yoon Sun Song$13.47
  2. Specialty average$791.64

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Yoon Sun Song among 8,223 nurse practitioner records in California

Yoon Sun Song is one of 8,223 nurse practitioner records with a practice address in California. 65% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 42% of them.

  • NPI issued2014 · 42% of these records are older, 55% newer
  • In a Medicare fileYes · 65% of these records are
  • In the CMS Doctors and Clinicians fileNo · 42% of these records are
  • Record last updated2020 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Nurse Practitioner providers in California

There are 8,223 nurse practitioner records in California.

The 8 nurse practitioner records with the nearest ZIP codes

  1. Wafa Aljuneidi, MSN, APRN-NP, FNP-CSunnyvale, CA 940861083583991
  2. Cam Linh Fernandez, NPSunnyvale, CA 940861023314192
  3. Yeun Hur, NPSunnyvale, CA 940861659254357
  4. Kaileen KorteSunnyvale, CA 940861508204058
  5. Pamela VialeSunnyvale, CA 940861245306331
  6. Tanya Hoang, MSN, FNP-CSunnyvale, CA 940871053764704
  7. Courtney Phuong, FNP, MSNSunnyvale, CA 940851285064519
  8. Karen Slesnick, N.P.Sunnyvale, CA 940871366540056

Common questions

What is Yoon Sun Song's NPI number?

Yoon Sun Song's National Provider Identifier (NPI) is 1508264136, issued on Dec 13, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Yoon Sun Song located?

The NPPES record lists a practice address at 301 Old San Francisco RD, Sunnyvale, CA, 94086. Phone: (408) 730-4360. Providers update this record themselves, so call before visiting.

How can I verify Yoon Sun Song's license?

NPPES lists California license number 95001730, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Yoon Sun Song prescribe under Medicare Part D?

In 2024, Yoon Sun Song had 511 Medicare Part D claims for 61 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.