Mark Myungjae Song, MD, PHD
Nephrology Physician · Los Angeles, CA
Mark Myungjae Song, MD, PHD is a nephrology physician with a practice address in Los Angeles, California, and NPI 1326068560, issued on Jul 20, 2006. Check the license (California A49785, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Myungjae Song
- Credential
- MD, PHD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- A49785 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3663 W 6TH St Ste 307, Los Angeles, CA 90020
- Phone
- (213) 736-1884
- Enumerated
- Jul 20, 2006
- Record last updated
- Dec 1, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (714) 626-0800
- Medicaid ID
- 00A497850 CA
- Medicare enrollment
- Enrolled (PECOS I20130813000114); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 1,468 in California → Look up another NPI →
Also registered at 3663 W 6TH St Ste 307
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nancy Kim, M.DSpecialist1073547626
Verify Mark Myungjae Song in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A49785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
26.7 times the Medicare Part D claims of the average nephrology physician in 2024
39,058 Medicare Part D claims for 1,686 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims. 268 claims were for opioids.
Most prescribed
- Atorvastatin Calcium3,138 claims
- Amlodipine Besylate1,848 claims
- Metformin Hcl1,425 claims
- Vascepa1,243 claims
- Losartan Potassium1,163 claims
- Celecoxib1,029 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.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,963.01
136 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 8,230 providers of this specialty with any payment received $3,091.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Mark Myungjae Song among 1,468 nephrology physician records in California
Mark Myungjae Song, MD, PHD is one of 1,468 nephrology physician records with a practice address in California. 88% 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 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1984 · median 2001 among the 1,128 with a school on file
- Record last updated2011 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in California
There are 1,468 nephrology physician records in California.
All 1,468 in California → Every provider in Los Angeles → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Charles Cho, M.D.Los Angeles, CA 900201053512566
- Peter Lee, M.D.Los Angeles, CA 900201932237013
- Michael Austerlitz, MDLos Angeles, CA 900221912096454
- Mohamed El-Shahawy, M.D.Los Angeles, CA 900221760411151
- Farid Arman, M.D.Los Angeles, CA 900171861059263
- Jorge Doria Medina Sanchez, MDLos Angeles, CA 900171770014110
- Philip Hom, M.D.Los Angeles, CA 900171740379668
- Kamran Karimi, M.D.Los Angeles, CA 900171730470220
Common questions
What is Mark Myungjae Song, MD, PHD's NPI number?
Mark Myungjae Song, MD, PHD's National Provider Identifier (NPI) is 1326068560, issued on Jul 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark Myungjae Song, MD, PHD located?
The NPPES record lists a practice address at 3663 W 6TH St Ste 307, Los Angeles, CA, 90020. Phone: (213) 736-1884. Providers update this record themselves, so call before visiting.
How can I verify Mark Myungjae Song, MD, PHD's license?
NPPES lists California license number A49785, 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 Myungjae Song, MD, PHD prescribe under Medicare Part D?
In 2024, Mark Myungjae Song, MD, PHD had 39,058 Medicare Part D claims for 1,686 beneficiaries; the average among nephrology physician prescribers was 1,465. Part D covers Medicare prescriptions only.
What is Mark Myungjae Song, MD, PHD's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.