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

James C.s. Hahn, MD , Inc

Organization Internal Medicine Physician · NPI 1023893435

James C.s. Hahn, MD , Inc is an Internal Medicine Physician in Los Angeles, California. Registered with an NPI since 2023.

In the registry since
2023
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

1245 Wilshire Blvd Ste 790
Los Angeles, CA 90017-4881
Phone: (323) 735-1111
Fax: (323) 735-3306
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X

Record details

NPI number1023893435
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official James Hahn — Md · (213) 810-5050
NPI enumeratedAugust 25, 2023
Last updated in NPPESOctober 10, 2023
Certification dateOctober 10, 2023
Mailing address1245 Wilshire Blvd Ste 790, Los Angeles, CA 90017-4881

Other providers in Los Angeles