George Lakner, M.D.
NPI 1265568844 · Geriatric Psychiatry Physician · Rancho Cucamonga, CA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Lakner, M.D. is a Geriatric Psychiatry Physician provider in Rancho Cucamonga, CA (NPI 1265568844).
Provider details
- NPI number
- 1265568844
- Entity type
- Individual
- Primary specialty
- Geriatric Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 50841 (MA)
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
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 402 S Capitol St Se # 404#70185Washington, DC 20003-4070Phone: (202) 333-3393
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2021-03-24
- Certified
- 2021-03-24
Frequently asked questions
- What is George Lakner's NPI number?
- George Lakner's National Provider Identifier (NPI) is 1265568844, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Lakner's specialty?
- George Lakner is listed in the NPPES registry with a primary specialty of Geriatric Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is George Lakner located?
- George Lakner's practice location on file with NPPES is 9377 Haven Ave Ste 100, Rancho Cucamonga, CA 91730-5340.
- What is George Lakner's phone number?
- The practice phone number listed in the NPPES registry for George Lakner is (909) 906-0535.
- Does George Lakner accept Medicare?
- George Lakner is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Lakner's NPI active?
- Yes — George Lakner's NPI (1265568844) is active in the NPPES registry as of the last update on 2021-03-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.