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

Lothar McMillian M D Inc

Organization Family Medicine Physician · NPI 1740425719

Lothar McMillian M D Inc is a Family Medicine Physician in Rancho Cucamonga, California. Registered with an NPI since 2008.

In the registry since
2008
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

7777 Milliken Ave Ste 240
Rancho Cucamonga, CA 91730-6780
Phone: (909) 941-0247
Fax: (909) 948-7950
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X

Record details

NPI number1740425719
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Lothar McMillian — Ceo · (909) 941-0247
Other names Rancho Family Practice Associates
NPI enumeratedDecember 4, 2008
Last updated in NPPESJuly 29, 2015
Mailing address7777 Milliken Ave, Ste 240, Rancho Cucamonga, CA 91730-6780

Other providers in Rancho Cucamonga