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

George S Lakner, MD

Individual provider Geriatric Psychiatry Physician · NPI 1265568844

George S Lakner, MD is a Geriatric Psychiatry Physician in Rancho Cucamonga, California. Works from 2 locations. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

9377 Haven Ave Ste 100
Rancho Cucamonga, CA 91730-5340
Phone: (909) 906-0535
Fax: (909) 906-1505
Show map & directions

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

Additional practice locations (1)

  • 402 S Capitol St Se # 404, Washington, DC 20003-4070 — (202) 333-3393

Specialties & licences

Geriatric Psychiatry Physician (primary) Taxonomy 2084P0805X · Licence 50841 (MA)

Record details

NPI number1265568844
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 26, 2007
Last updated in NPPESMarch 24, 2021
Certification dateMarch 24, 2021