DR. JOHN LAMBERT FLACH DO
NPI 1386223089
Psychiatry & Neurology - Neurology in Arlington Heights, IL
About Dr. John Lambert Flach Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN LAMBERT FLACH DO (NPI 1386223089) is an individual neurology provider in Arlington Heights, Illinois, licensed in Illinois (036173195) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Northwest Community Hospital 1, and maintains a secondary practice location in Indianapolis.
NPPES Registry Identity
Specialties & Licenses 2
A Neurologist specializes in the diagnosis and treatment of diseases or impaired function of the brain, spinal cord, peripheral nerves, muscles, autonomic nervous system, and blood vessels that relate to these structures.
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. John Lambert Flach Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Northwest Community Hospital 1
Acute Care Hospitals · Arlington Heights, ILPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 60005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
ARLINGTON HEIGHTS, IL 60005
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Flach's NPI number?
The NPI number for John Flach is 1386223089. It was assigned to this individual provider in the NPPES registry on April 8, 2021.
Where is John Flach located?
John Flach practices at 880 W Central Rd, Arlington Heights, IL 60005. The listed phone number is (847) 618-4430.
What is John Flach's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is John Flach enrolled in Medicare?
Yes. John Flach is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
What insurance does John Flach accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list John Flach as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is John Flach affiliated with any hospitals?
According to CMS data, John Flach is affiliated with Northwest Community Hospital 1.
When was this NPI record last updated?
The NPPES record for John Flach was last updated on September 24, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.