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
Mailing addressFort McNair, 70185, Washington, DC 20024