Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark Song MD PHD Inc

Organization Nephrology Physician · NPI 1205922531

Mark Song MD PHD Inc is a Nephrology Physician in Los Angeles, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3663 W 6th St Ste 307
Los Angeles, CA 90020
Phone: (213) 736-1884
Fax: (213) 736-1885
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X · Licence A49785 (CA)

Record details

NPI number1205922531
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Song — Physician Sole Owner · (714) 626-0700
NPI enumeratedOctober 5, 2006
Last updated in NPPESDecember 14, 2011
Mailing address1401 S Brookhurst Rd, Suite 100, Fullerton, CA 92833-4471

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