GEORGE S LAKNER M.D.
NPI 1265568844
Psychiatry & Neurology - Geriatric Psychiatry in Rancho Cucamonga, CA

Q: What is George Lakner's NPI number?

The NPI number for George Lakner is 1265568844. It was assigned to this individual provider in the NPPES registry on February 26, 2007.

Q: What is George Lakner's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Geriatric Psychiatry, with taxonomy code 2084P0805X.

Q: When was this NPI record last updated?

The NPPES record for George Lakner was last updated on March 24, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since February 26, 2007PECOS Enrolled

9377 HAVEN AVE STE 100, RANCHO CUCAMONGA, CA 91730(909) 906-0535(909) 906-1505 Get Directions Write a Review

NPPES record last updated: March 24, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About George S Lakner M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GEORGE S LAKNER M.D. (NPI 1265568844) is an individual geriatric psychiatry provider in Rancho Cucamonga, California, licensed in Massachusetts (50841) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in Washington.

NPPES Registry Identity

NPI1265568844

Entity TypeIndividualMale

Primary Taxonomy2084P0805X

Provider Legal NameGEORGE S LAKNERCredential: M.D.

Location Address9377 HAVEN AVE STE 100Rancho Cucamonga, CA 91730-5340

Mailing AddressFort Mcnair, #70185Washington, DC 20024 · (202) 333-3393

Phone(909) 906-0535

Fax(909) 906-1505

Sole ProprietorNo

Enumeration DateFebruary 26, 2007

Last NPPES UpdateMarch 24, 2021

NPPES CertifiedMarch 24, 2021

✔ NPI 1265568844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Geriatric PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0805X

License✔ Licensed in MA · 50841

Definition

Geriatric Psychiatry is a subspecialty with psychiatric expertise in prevention, evaluation, diagnosis and treatment of mental and emotional disorders in the elderly, and improvement of psychiatric care for healthy and ill elderly patients.

9377 HAVEN AVE STE 100, Rancho Cucamonga, CA 91730

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Secondary Practice Location 1

Location 1402 S Capitol St SE # 404, #70185Washington, DC 20003-4070 · Phone (202) 333-3393

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

George S Lakner M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show George Lakner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Gregor Medical Corporation

Same address

Multi-Specialty

9377 HAVEN AVE STE 100
Rancho Cucamonga, CA 91730

Reassigned Medicare billing, California enrollment
4 clinicians in this Medicare group

NPI 1275274003 (909) 906-1505

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91730 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$179.42 typical visit price

range $59.60 – $179.42

Typical copayment $44.85 (range $14.90 – $44.85)

Most-billed visit code 99205

Established Patient

$104.64 typical visit price

range $19.37 – $146.42

Typical copayment $26.16 (range $4.84 – $36.60)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

NICOLE ROJAS

Behavior Analyst