NPPES file of Aug 9, 2026

Yuru Yvonne Song, MD

Internal Medicine Physician · Antioch, CA

Yuru Yvonne Song, MD is an internal medicine physician with a practice address in Antioch, California, and NPI 1417029257, issued on Nov 15, 2006. Check the license (California A72261, as entered in NPPES) on the Medical Board of California; 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
1417029257
Name
Yuru Yvonne Song
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A72261 CA
Self-reported in NPPES; status is on the state search
Practice location
3400 Delta Fair Blvd, Antioch, CA 94509
Phone
(925) 779-5000
Enumerated
Nov 15, 2006
Record last updated
Jan 10, 2022
Medicaid ID
00A722610 CA
Medicare enrollment
Enrolled (PECOS I20110511000625); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3400 Delta Fair Blvd

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

  1. Sanaz Aboutalebi-Simon, O.D.Corneal and Contact Management Optometrist1033319215
  2. Denise Arvay, PT APhysical Therapy Assistant1861560872
  3. Richard Boise, MDPediatric Adolescent Medicine Physician1255483483
  4. Maria Borquez, MDPediatric Adolescent Medicine Physician1801974993
  5. Irina Bronstein, MDInternal Medicine Physician1972681039
  6. Seema Cameron, MDFamily Medicine Physician1134369465

Verify Yuru Yvonne Song in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A72261
    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
Open 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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75% more Medicare Part D claims than the average internal medicine physician in 2024

5,563 Medicare Part D claims for 559 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 249 claims were for opioids.

  1. Yuru Song5,563
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium329 claims
  2. Amlodipine Besylate305 claims
  3. Levothyroxine Sodium253 claims
  4. Lisinopril225 claims
  5. Atenolol207 claims
  6. Fluticasone Propionate193 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.

Bills Medicare through one group practice

  1. Permanente Medical Group IncRichmond, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Yuru Yvonne Song among 17,696 internal medicine physician records in California

Yuru Yvonne Song, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1984 · median 2004 among the 11,065 with a school on file
  • Record last updated2022 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

66 internal medicine physician records list a practice address in Antioch

They are 66 of the 2,184 NPPES records with a practice address in Antioch, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Nazish Ali, M.D.Antioch, CA 945091932121498
  2. Irina Bronstein, MDAntioch, CA 945091972681039
  3. Anita Cherian, MDAntioch, CA 945091306924402
  4. Carl Corrigan, MDAntioch, CA 945091285712349
  5. Waldo Ferrer, MDAntioch, CA 945091881772978
  6. P. Gunanayagam, MDAntioch, CA 945091811075997
  7. Dileep Kumar, M.D.Antioch, CA 945091649290206
  8. Kishore Maskey, MDAntioch, CA 945091568540631

Common questions

What is Yuru Yvonne Song, MD's NPI number?

Yuru Yvonne Song, MD's National Provider Identifier (NPI) is 1417029257, issued on Nov 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yuru Yvonne Song, MD located?

The NPPES record lists a practice address at 3400 Delta Fair Blvd, Antioch, CA, 94509. Phone: (925) 779-5000. Providers update this record themselves, so call before visiting.

How can I verify Yuru Yvonne Song, MD's license?

NPPES lists California license number A72261, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Yuru Yvonne Song, MD prescribe under Medicare Part D?

In 2024, Yuru Yvonne Song, MD had 5,563 Medicare Part D claims for 559 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.