DR. KARLON HOWARD JOHNSON M.D.
NPI 1144325473
Family Medicine in Hawthorne, CA
About Dr. Karlon Howard Johnson M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KARLON HOWARD JOHNSON M.D. (NPI 1144325473) is an individual family medicine provider in Hawthorne, California, licensed in California (G70613) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of Howard University College Of Medicine (1989).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Karlon Howard Johnson M.d. 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90250 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HAWTHORNE, CA 90250
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 Karlon Johnson's NPI number?
The NPI number for Karlon Johnson is 1144325473. It was assigned to this individual provider in the NPPES registry on September 13, 2006.
Where is Karlon Johnson located?
Karlon Johnson practices at 4455 W 117th St Ste 300, Hawthorne, CA 90250. The listed phone number is (310) 645-0444.
What is Karlon Johnson's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Karlon Johnson enrolled in Medicare?
Yes. Karlon Johnson 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.
When was this NPI record last updated?
The NPPES record for Karlon Johnson was last updated on January 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.
