NPPES file of Aug 9, 2026

Mark Hanwook Song, M.D.

Family Medicine Physician · Gardena, CA

Mark Hanwook Song, M.D. is a family medicine physician with a practice address in Gardena, California, and NPI 1629231378, issued on Jul 2, 2008. Check the license (California A110606, 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
1629231378
Name
Mark Hanwook Song
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A110606 CA
Self-reported in NPPES; status is on the state search
Practice location
15446 S Western Ave, Gardena, CA 90249
Phone
(800) 780-1230
Enumerated
Jul 2, 2008
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120710000558); accepts Medicare assignment
Medical or professional school
Michigan State University College Of Human Medicine, 2008
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 15446 S Western Ave

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

  1. Andrew AbramPharmacist1821413238
  2. Walter Chang, MDFamily Medicine Physician1689044760
  3. Christina Chen, DPTPhysical Therapist1649644733
  4. Peter Chong, MDInternal Medicine Physician1346276789
  5. Raven Copeland, M.D.Family Medicine Physician1720422470
  6. Karina CortesClinical Social Worker1376085332

Verify Mark Hanwook 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 A110606
    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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15% fewer Medicare Part D claims than the average family medicine physician in 2024

2,998 Medicare Part D claims for 339 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 37 claims were for opioids.

  1. Mark Song2,998
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium319 claims
  2. Amlodipine Besylate234 claims
  3. Lisinopril166 claims
  4. Losartan Potassium136 claims
  5. Rosuvastatin Calcium124 claims
  6. Metformin Hcl118 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: $125.78

7 payments; by number, the most common kind was food and beverage; the largest payer was Travere Therapeutics, Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mark Song$125.78
  2. Specialty average$902.55

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

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupHarbor City, CA

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

Mark Hanwook Song among 17,133 family medicine physician records in California

Mark Hanwook Song, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 53% of them.

  • NPI issued2008 · 53% of these records are older, 42% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2008 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

30 family medicine physician records list a practice address in Gardena

They are 30 of the 4,627 NPPES records with a practice address in Gardena, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Walter Chang, MDGardena, CA 902491689044760
  2. Uche Chukwudi, M.D.Gardena, CA 902491417192063
  3. Raven Copeland, M.D.Gardena, CA 902491720422470
  4. Joyce George, M.D.Gardena, CA 902491609303999
  5. Hoangvy Le, MDGardena, CA 902491841619095
  6. Patrick Lemm, D.O.Gardena, CA 902491710920756
  7. Tu-Anh Nguyen, D.O.Gardena, CA 902491659750487
  8. Grace Park, D.O. , MPHGardena, CA 902491164677464

Common questions

What is Mark Hanwook Song, M.D.'s NPI number?

Mark Hanwook Song, M.D.'s National Provider Identifier (NPI) is 1629231378, issued on Jul 2, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Mark Hanwook Song, M.D. located?

The NPPES record lists a practice address at 15446 S Western Ave, Gardena, CA, 90249. Phone: (800) 780-1230. Providers update this record themselves, so call before visiting.

How can I verify Mark Hanwook Song, M.D.'s license?

NPPES lists California license number A110606, 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 Mark Hanwook Song, M.D. prescribe under Medicare Part D?

In 2024, Mark Hanwook Song, M.D. had 2,998 Medicare Part D claims for 339 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.