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

James D. Leo, MD, Inc

Organization Internal Medicine Physician · NPI 1407989247

James D. Leo, MD, Inc is an Internal Medicine Physician in Long Beach, California. Registered with an NPI since 2007.

In the registry since
2007
Specialties on file
2
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

2650 Elm Ave Ste 307
Long Beach, CA 90806-1600
Phone: (562) 426-6220
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X

Record details

NPI number1407989247
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Kathie Ridgeway — Office Manager · (562) 426-6220
NPI enumeratedMarch 13, 2007
Last updated in NPPESAugust 8, 2019
Mailing address2650 Elm Ave Ste 307, Long Beach, CA 90806-1600

Other providers in Long Beach