Lothar Mcmillian M D Inc
NPI 1740425719 · Family Medicine Physician · Rancho Cucamonga, CA
Lothar Mcmillian M D Inc is a Family Medicine Physician organization in Rancho Cucamonga, CA (NPI 1740425719).
Provider details
- NPI number
- 1740425719
- Entity type
- Organization
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Lothar Mcmillian, Ceo(909) 941-0247
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Rancho Family Practice Associates
Registry dates
- Enumerated
- 2008-12-04
- Last updated
- 2015-07-29
Frequently asked questions
- What is Lothar Mcmillian M D Inc's NPI number?
- Lothar Mcmillian M D Inc's National Provider Identifier (NPI) is 1740425719, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lothar Mcmillian M D Inc?
- Lothar Mcmillian M D Inc is classified in the NPPES registry as Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Lothar Mcmillian M D Inc located?
- Lothar Mcmillian M D Inc's practice location on file with NPPES is 7777 Milliken Ave, Rancho Cucamonga, CA 91730-6780.
- What is Lothar Mcmillian M D Inc's phone number?
- The practice phone number listed in the NPPES registry for Lothar Mcmillian M D Inc is (909) 941-0247.
- Who is the authorized official for Lothar Mcmillian M D Inc?
- The authorized official listed on Lothar Mcmillian M D Inc's NPPES record is Lothar Mcmillian, Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lothar Mcmillian M D Inc's NPI active?
- Yes — Lothar Mcmillian M D Inc's NPI (1740425719) is active in the NPPES registry as of the last update on 2015-07-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.